General Dynamics F-16 Fighting Falcon

Type of aircraft
(Redirected from F-16 Fighting Falcon)
"F16" and "F-16 Fighting Falcon" redirect here. For the video game, see Falcon (video game series). For other uses, see F16 (disambiguation).

F-16 Fighting Falcon
File:F-16 June 2008.jpg
A USAF F-16C flying over the desert in Iraq, 2008
Role Multirole fighter, air superiority fighter
National origin United States
Manufacturer
First flight
  • 20 January 1974; 50 years ago (1974-01-20) (unplanned)
  • 2 February 1974; 50 years ago (1974-02-02) (official)
Introduction 17 August 1978; 46 years ago (1978-08-17)
Status In service
Primary users United States Air Force
25 other users (see operators page)
Produced 1973–2017, 2019–present[1]
Number built 4,604 (as of June 2018)[2][3]
Variants General Dynamics X-62 VISTA
Developed into

The General Dynamics F-16 Fighting Falcon is an American single-engine supersonic multirole fighter aircraft originally developed by General Dynamics for the United States Air Force (USAF). Designed as an air superiority day fighter, it evolved into a successful all-weather multirole aircraft with over 4,600 built since 1976.[4] Although no longer purchased by the U.S. Air Force, improved versions are being built for export. In 1993, General Dynamics sold its aircraft manufacturing business to the Lockheed Corporation,[5] which became part of Lockheed Martin after a 1995 merger with Martin Marietta.[6]

https://www.ooda.wiki/images/2/23/ImageToStl.com_f-16_base_model_posed.stl

The Fighting Falcon's key features include a frameless bubble canopy for enhanced cockpit visibility, a side-mounted control stick to ease control while maneuvering, an ejection seat reclined 30 degrees from vertical to reduce the effect of g-forces on the pilot, and the first use of a relaxed static stability/fly-by-wire flight control system that helps to make it an agile aircraft. The F-16 has an internal M61 Vulcan cannon and 11 hardpoints.

In addition to active duty in the U.S. Air Force, Air Force Reserve Command, and Air National Guard units, the aircraft is also used by the U.S. Air Force Thunderbirds aerial demonstration team, the US Air Combat Command F-16 Viper Demonstration Team,[7] and as an adversary/aggressor aircraft by the United States Navy. The F-16 has also been procured by the air forces of 25 other nations.[8] As of 2015, it was the world's most common fixed-wing aircraft in military service.[9]

Development

Lightweight Fighter program

Main article: Lightweight Fighter program

US Vietnam War experience showed the need for air superiority fighters and better air-to-air training for fighter pilots.Lua error: not enough memory.Lua error: not enough memory. Based on his experience in the Korean War and as a fighter tactics instructor in the early 1960s, Colonel John Boyd with mathematician Thomas Christie developed the energy–maneuverability theory to model a fighter aircraft's performance in combat. Boyd's work called for a small, lightweight aircraft that could maneuver with the minimum possible energy loss and which also incorporated an increased thrust-to-weight ratio.[10][11] In the late 1960s, Boyd gathered a group of like-minded innovators who became known as the Fighter Mafia, and in 1969, they secured Department of Defense funding for General Dynamics and Northrop to study design concepts based on the theory.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory.

Air Force F-X proponents were opposed to the concept because they perceived it as a threat to the F-15 program, but the USAF's leadership understood that its budget would not allow it to purchase enough F-15 aircraft to satisfy all of its missions.[12] The Advanced Day Fighter concept, renamed F-XX, gained civilian political support under the reform-minded Deputy Secretary of Defense David Packard, who favored the idea of competitive prototyping. As a result, in May 1971, the Air Force Prototype Study Group was established, with Boyd a key member, and two of its six proposals would be funded, one being the Lightweight Fighter (LWF). The request for proposals issued on 6 January 1972 called for a Lua error: not enough memory. class air-to-air day fighter with a good turn rate, acceleration, and range, and optimized for combat at speeds of Mach 0.6–1.6 and altitudes of Lua error: not enough memory.. This was the region where USAF studies predicted most future air combat would occur. The anticipated average flyaway cost of a production version was $3 million. This production plan was hypothetical as the USAF had no firm plans to procure the winner.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory.

Selection of finalists and flyoff

File:YF-16 and YF-17 in flight.jpg
A right-side view of a YF-16 (foreground) and a Northrop YF-17, each armed with AIM-9 Sidewinder missiles

Five companies responded, and in 1972, the Air Staff selected General Dynamics' Model 401 and Northrop's P-600 for the follow-on prototype development and testing phase. GD and Northrop were awarded contracts worth $37.9 million and $39.8 million to produce the YF-16 and YF-17, respectively, with the first flights of both prototypes planned for early 1974. To overcome resistance in the Air Force hierarchy, the Fighter Mafia and other LWF proponentsLua error: not enough memory. successfully advocated the idea of complementary fighters in a high-cost/low-cost force mix.[13] The "high/low mix" would allow the USAF to be able to afford sufficient fighters for its overall fighter force structure requirements. The mix gained broad acceptance by the time of the prototypes' fly-off, defining the relationship between the LWF and the F-15.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory.

The YF-16 was developed by a team of General Dynamics engineers led by Robert H. Widmer.[14] The first YF-16 was rolled out on 13 December 1973. Its 90-minute maiden flight was made at the Air Force Flight Test Center at Edwards AFB, California, on 2 February 1974. Its actual first flight occurred accidentally during a high-speed taxi test on 20 January 1974. While gathering speed, a roll-control oscillation caused a fin of the port-side wingtip-mounted missile and then the starboard stabilator to scrape the ground, and the aircraft then began to veer off the runway. The test pilot, Phil Oestricher, decided to lift off to avoid a potential crash, safely landing six minutes later. The slight damage was quickly repaired and the official first flight occurred on time.[15] The YF-16's first supersonic flight was accomplished on 5 February 1974, and the second YF-16 prototype first flew on 9 May 1974. This was followed by the first flights of Northrop's YF-17 prototypes on 9 June and 21 August 1974, respectively. During the fly-off, the YF-16s completed 330 sorties for a total of 417 flight hours;Lua error: not enough memory.Lua error: not enough memory. the YF-17s flew 288 sorties, covering 345 hours.Lua error: not enough memory.Lua error: not enough memory.

Air Combat Fighter competition

Increased interest turned the LWF into a serious acquisition program. NATO allies Belgium, Denmark, the Netherlands, and Norway were seeking to replace their F-104G Starfighter fighter-bombers.[16] In early 1974, they reached an agreement with the U.S. that if the USAF ordered the LWF winner, they would consider ordering it as well. The USAF also needed to replace its F-105 Thunderchief and F-4 Phantom II fighter-bombers. The U.S. Congress sought greater commonality in fighter procurements by the Air Force and Navy, and in August 1974 redirected Navy funds to a new Navy Air Combat Fighter program that would be a naval fighter-bomber variant of the LWF. The four NATO allies had formed the Multinational Fighter Program Group (MFPG) and pressed for a U.S. decision by December 1974; thus, the USAF accelerated testing.Lua error: not enough memory.Lua error: not enough memory.[17][18]

File:YF-16 VASC.JPG
YF-16 on display at the Virginia Air and Space Center

To reflect this serious intent to procure a new fighter-bomber, the LWF program was rolled into a new Air Combat Fighter (ACF) competition in an announcement by U.S. Secretary of Defense James R. Schlesinger in April 1974. The ACF would not be a pure fighter, but multirole, and Schlesinger made it clear that any ACF order would be in addition to the F-15, which extinguished opposition to the LWF.[17][18][19] ACF also raised the stakes for GD and Northrop because it brought in competitors intent on securing what was touted at the time as "the arms deal of the century".[20] These were Dassault-Breguet's proposed Mirage F1M-53, the Anglo-French SEPECAT Jaguar, and the proposed Saab 37E "Eurofighter". Northrop offered the P-530 Cobra, which was similar to the YF-17. The Jaguar and Cobra were dropped by the MFPG early on, leaving two European and two U.S. candidates. On 11 September 1974, the U.S. Air Force confirmed plans to order the winning ACF design to equip five tactical fighter wings. Though computer modeling predicted a close contest, the YF-16 proved significantly quicker going from one maneuver to the next and was the unanimous choice of those pilots that flew both aircraft.Lua error: not enough memory.Lua error: not enough memory.

On 13 January 1975, Secretary of the Air Force John L. McLucas announced the YF-16 as the winner of the ACF competition.Lua error: not enough memory.Lua error: not enough memory. The chief reasons given by the secretary were the YF-16's lower operating costs, greater range, and maneuver performance that was "significantly better" than that of the YF-17, especially at supersonic speeds. Another advantage of the YF-16 – unlike the YF-17 – was its use of the Pratt & Whitney F100 turbofan engine, the same powerplant used by the F-15; such commonality would lower the cost of engines for both programs.Lua error: not enough memory.Lua error: not enough memory. Secretary McLucas announced that the USAF planned to order at least 650, possibly up to 1,400 production F-16s. In the Navy Air Combat Fighter competition, on 2 May 1975, the Navy selected the YF-17 as the basis for what would become the McDonnell Douglas F/A-18 Hornet.Lua error: not enough memory.Lua error: not enough memory.[21]

Production

File:F-16C Fighting Falcon.JPEG
An F-16C of the Colorado Air National Guard with AIM-9 Sidewinder missiles, an Air Combat Maneuvering Instrumentation pod, and a centerline fuel tank (Lua error: not enough memory. capacity)

The U.S. Air Force initially ordered 15 full-scale development (FSD) aircraft (11 single-seat and four two-seat models) for its flight test program which was reduced to eight (six F-16A single-seaters and two F-16B two-seaters).[22] The YF-16 design was altered for the production F-16. The fuselage was lengthened by Lua error: not enough memory., a larger nose radome was fitted for the AN/APG-66 radar, wing area was increased from Lua error: not enough memory. to Lua error: not enough memory., the tailfin height was decreased, the ventral fins were enlarged, two more stores stations were added, and a single door replaced the original nosewheel double doors. The F-16's weight was increased by 25% over the YF-16 by these modifications.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory.

The FSD F-16s were manufactured by General Dynamics in Fort Worth, Texas, at United States Air Force Plant 4 in late 1975; the first F-16A rolled out on 20 October 1976 and first flew on 8 December. The initial two-seat model achieved its first flight on 8 August 1977. The initial production-standard F-16A flew for the first time on 7 August 1978 and its delivery was accepted by the USAF on 6 January 1979. The aircraft entered USAF operational service with the 34th Tactical Fighter Squadron, 388th Tactical Fighter Wing, at Hill AFB in Utah, on 1 October 1980.Lua error: not enough memory.Lua error: not enough memory.

The F-16 was given its name of "Fighting Falcon" on 21 July 1980. Its pilots and crews often use the name "Viper" instead, because of a perceived resemblance to a viper snake as well as to the fictional Colonial Viper starfighter from the television program Battlestar Galactica, which aired at the time the F-16 entered service.[23]Lua error: not enough memory.Lua error: not enough memory.

On 7 June 1975, the four European partners, now known as the European Participation Group, signed up for 348 aircraft at the Paris Air Show. This was split among the European Participation Air Forces (EPAF) as 116 for Belgium, 58 for Denmark, 102 for the Netherlands, and 72 for Norway. Two European production lines, one in the Netherlands at Fokker's Schiphol-Oost facility and the other at SABCA's Gosselies plant in Belgium, would produce 184 and 164 units respectively. Norway's Kongsberg Vaapenfabrikk and Denmark's Terma A/S also manufactured parts and subassemblies for EPAF aircraft. European co-production was officially launched on 1 July 1977 at the Fokker factory. Beginning in November 1977, Fokker-produced components were sent to Fort Worth for fuselage assembly, then shipped back to Europe for final assembly of EPAF aircraft at the Belgian plant on 15 February 1978; deliveries to the Belgian Air Force began in January 1979. The first Royal Netherlands Air Force aircraft was delivered in June 1979. In 1980, the first aircraft were delivered to the Royal Norwegian Air Force by Fokker and to the Royal Danish Air Force by SABCA.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory.

During the late 1980s and 1990s, Turkish Aerospace Industries (TAI) produced 232 Block 30/40/50 F-16s on a production line in Ankara under license for the Turkish Air Force. TAI also produced 46 Block 40s for Egypt in the mid-1990s and 30 Block 50s from 2010 onwards. Korean Aerospace Industries opened a production line for the KF-16 program, producing 140 Block 52s from the mid-1990s to mid-2000s (decade). If India had selected the F-16IN for its Medium Multi-Role Combat Aircraft procurement, a sixth F-16 production line would have been built in India.[24] In May 2013, Lockheed Martin stated there were currently enough orders to keep producing the F-16 until 2017.[25]

Improvements and upgrades

One change made during production was augmented pitch control to avoid deep stall conditions at high angles of attack. The stall issue had been raised during development but had originally been discounted. Model tests of the YF-16 conducted by the Langley Research Center revealed a potential problem, but no other laboratory was able to duplicate it. YF-16 flight tests were not sufficient to expose the issue; later flight testing on the FSD aircraft demonstrated a real concern. In response, the area of each horizontal stabilizer was increased by 25% on the Block 15 aircraft in 1981 and later retrofitted to earlier aircraft. In addition, a manual override switch to disable the horizontal stabilizer flight limiter was prominently placed on the control console, allowing the pilot to regain control of the horizontal stabilizers (which the flight limiters otherwise lock in place) and recover. Besides reducing the risk of deep stalls, the larger horizontal tail also improved stability and permitted faster takeoff rotation.[26][27]

In the 1980s, the Multinational Staged Improvement Program (MSIP) was conducted to evolve the F-16's capabilities, mitigate risks during technology development, and ensure the aircraft's worth. The program upgraded the F-16 in three stages. The MSIP process permitted the quick introduction of new capabilities, at lower costs and with reduced risks compared to traditional independent upgrade programs.[28] In 2012, the USAF had allocated $2.8 billion (~$Lua error: not enough memory. in 2021) to upgrade 350 F-16s while waiting for the F-35 to enter service.[29] One key upgrade has been an auto-GCAS (Ground collision avoidance system) to reduce instances of controlled flight into terrain.[30] Onboard power and cooling capacities limit the scope of upgrades, which often involve the addition of more power-hungry avionics.[31]

Lockheed won many contracts to upgrade foreign operators' F-16s. BAE Systems also offers various F-16 upgrades, receiving orders from South Korea, Oman, Turkey, and the US Air National Guard;[32][33][34] BAE lost the South Korean contract because of a price breach in November 2014.[35] In 2012, the USAF assigned the total upgrade contract to Lockheed Martin.[36] Upgrades include Raytheon's Center Display Unit, which replaces several analog flight instruments with a single digital display.[37]

In 2013, sequestration budget cuts cast doubt on the USAF's ability to complete the Combat Avionics Programmed Extension Suite (CAPES), a part of secondary programs such as Taiwan's F-16 upgrade.[38] Air Combat Command's General Mike Hostage stated that if he only had money for a service life extension program (SLEP) or CAPES, he would fund SLEP to keep the aircraft flying.[39] Lockheed Martin responded to talk of CAPES cancellation with a fixed-price upgrade package for foreign users.[40] CAPES was not included in the Pentagon's 2015 budget request.[41] The USAF said that the upgrade package will still be offered to Taiwan's Republic of China Air Force, and Lockheed said that some common elements with the F-35 will keep the radar's unit costs down.[42] In 2014, the USAF issued a RFI to SLEP 300 F-16 C/Ds.[43]

Production relocation

To make more room for assembly of its newer F-35 Lightning II fighter aircraft, Lockheed Martin moved the F-16 production from Fort Worth, Texas to its plant in Greenville, South Carolina.[1] Lockheed delivered the last F-16 from Fort Worth to the Iraqi Air Force on 14 November 2017, ending 40 years of F-16 production there. The company resumed production in 2019, though engineering and modernization work will remain in Fort Worth.[44] A gap in orders made it possible to stop production during the move; after completing orders for the last Iraqi purchase,[45] the company was negotiating an F-16 sale to Bahrain that would be produced in Greenville. This contract was signed in June 2018,[3] and the first planes rolled off the Greenville line in 2023.[46]

Design

Overview

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The F-16 is a single-engine, highly maneuverable, supersonic, multirole tactical fighter aircraft. It is much smaller and lighter than its predecessors but uses advanced aerodynamics and avionics, including the first use of a relaxed static stability/fly-by-wire (RSS/FBW) flight control system, to achieve enhanced maneuver performance. Highly agile, the F-16 was the first fighter aircraft purpose-built to pull 9-g maneuvers and can reach a maximum speed of over Mach 2. Innovations include a frameless bubble canopy for better visibility, a side-mounted control stick, and a reclined seat to reduce g-force effects on the pilot. It is armed with an internal M61 Vulcan cannon in the left wing root and has multiple locations for mounting various missiles, bombs and pods. It has a thrust-to-weight ratio greater than one, providing power to climb and vertical acceleration.[47]

The F-16 was designed to be relatively inexpensive to build and simpler to maintain than earlier-generation fighters. The airframe is built with about 80% aviation-grade aluminum alloys, 8% steel, 3% composites, and 1.5% titanium. The leading-edge flaps, stabilators, and ventral fins make use of bonded aluminum honeycomb structures and graphite epoxy lamination coatings. The number of lubrication points, fuel line connections, and replaceable modules is significantly lower than preceding fighters; 80% of the access panels can be accessed without stands.[24] The air intake was placed so it was rearward of the nose but forward enough to minimize air flow losses and reduce aerodynamic drag.[48]

Although the LWF program called for a structural life of 4,000 flight hours, capable of achieving 7.33 g with 80% internal fuel; GD's engineers decided to design the F-16's airframe life for 8,000 hours and for 9-g maneuvers on full internal fuel. This proved advantageous when the aircraft's mission changed from solely air-to-air combat to multirole operations. Changes in operational use and additional systems have increased weight, necessitating multiple structural strengthening programs.[49]

General configuration

File:F-16 CJ Fighting Falcon.jpg
F-16CJ of the 20th Fighter Wing from Shaw AFB, South Carolina, armed with a mix of air-to-air missiles, anti-radiation missiles, external fuel tanks and support equipment

The F-16 has a cropped-delta wing incorporating wing-fuselage blending and forebody vortex-control strakes; a fixed-geometry, underslung air intake (with splitter plate[50]) to the single turbofan jet engine; a conventional tri-plane empennage arrangement with all-moving horizontal "stabilator" tailplanes; a pair of ventral fins beneath the fuselage aft of the wing's trailing edge; and a tricycle landing gear configuration with the aft-retracting, steerable nose gear deploying a short distance behind the inlet lip. There is a boom-style aerial refueling receptacle located behind the single-piece "bubble" canopy of the cockpit. Split-flap speedbrakes are located at the aft end of the wing-body fairing, and a tailhook is mounted underneath the fuselage. A fairing beneath the rudder often houses ECM equipment or a drag chute. Later F-16 models feature a long dorsal fairing along the fuselage's "spine", housing additional equipment or fuel.[24]Lua error: not enough memory.Lua error: not enough memory.

Aerodynamic studies in the 1960s demonstrated that the "vortex lift" phenomenon could be harnessed by highly swept wing configurations to reach higher angles of attack, using leading edge vortex flow off a slender lifting surface. As the F-16 was being optimized for high combat agility, GD's designers chose a slender cropped-delta wing with a leading-edge sweep of 40° and a straight trailing edge. To improve maneuverability, a variable-camber wing with a NACA 64A-204 airfoil was selected; the camber is adjusted by leading-edge and trailing edge flaperons linked to a digital flight control system regulating the flight envelope.[24][49] The F-16 has a moderate wing loading, reduced by fuselage lift.[51] The vortex lift effect is increased by leading-edge extensions, known as strakes. Strakes act as additional short-span, triangular wings running from the wing root (the junction with the fuselage) to a point further forward on the fuselage. Blended into the fuselage and along the wing root, the strake generates a high-speed vortex that remains attached to the top of the wing as the angle of attack increases, generating additional lift and allowing greater angles of attack without stalling. Strakes allow a smaller, lower-aspect-ratio wing, which increases roll rates and directional stability while decreasing weight. Deeper wing roots also increase structural strength and internal fuel volume.[49]Lua error: not enough memory.Lua error: not enough memory.

Armament

File:F16A FAP linksup KC-10.jpg
A Portuguese Air Force F-16A outfitted with AIM-9 Sidewinder missiles, AN/ALQ-131 ECM pod, and external fuel tanks.

Early F-16s could be armed with up to six AIM-9 Sidewinder heat-seeking short-range air-to-air missiles (AAM) by employing rail launchers on each wingtip, as well as radar-guided AIM-7 Sparrow medium-range AAMs in a weapons mix.[52] More recent versions support the AIM-120 AMRAAM, and US aircraft often mount that missile on their wingtips to reduce wing flutter.[53] The aircraft can carry various other AAMs, a wide variety of air-to-ground missiles, rockets or bombs; electronic countermeasures (ECM), navigation, targeting or weapons pods; and fuel tanks on 9 hardpoints – six under the wings, two on wingtips, and one under the fuselage. Two other locations under the fuselage are available for sensor or radar pods.[52] The F-16 carries a 20 mm (0.787 in) M61A1 Vulcan cannon, which is mounted inside the fuselage to the left of the cockpit.[52]

Relaxed stability and fly-by-wire

File:F16 SCANG InFlight.jpg
F-16C of the South Carolina Air National Guard in-flight over North Carolina equipped with air-to-air missiles, bomb rack, targeting pods, and electronic countermeasures pods

The F-16 is the first production fighter aircraft intentionally designed to be slightly aerodynamically unstable, also known as relaxed static stability (RSS), to both reduce drag and improve maneuverability.[54] Most aircraft are designed to have positive static stability, which induces the aircraft to return to straight and level flight attitude if the pilot releases the controls. This reduces maneuverability as the inherent stability has to be overcome and increases a form of drag known as trim drag. Aircraft with relaxed stability are designed to be able to augment their stability characteristics while maneuvering to increase lift and reduce drag, thus greatly increasing their maneuverability. At Mach 1, the F-16 gains positive stability because of aerodynamic changes.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory.

To counter the tendency to depart from controlled flight and avoid the need for constant trim inputs by the pilot, the F-16 has a quadruplex (four-channel) fly-by-wire (FBW) flight control system (FLCS). The flight control computer (FLCC) accepts pilot input from the stick and rudder controls and manipulates the control surfaces in such a way as to produce the desired result without inducing control loss. The FLCC conducts thousands of measurements per second on the aircraft's flight attitude to automatically counter deviations from the pilot-set flight path. The FLCC further incorporates limiters governing movement in the three main axes based on attitude, airspeed, and angle of attack (AOA)/g; these prevent control surfaces from inducing instability such as slips or skids, or a high AOA inducing a stall. The limiters also prevent maneuvers that would exert more than a 9-g load.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory.

Flight testing revealed that "assaulting" multiple limiters at high AOA and low speed can result in an AOA far exceeding the 25° limit, colloquially referred to as "departing"; this causes a deep stall; a near-freefall at 50° to 60° AOA, either upright or inverted. While at a very high AOA, the aircraft's attitude is stable but control surfaces are ineffective. The pitch limiter locks the stabilators at an extreme pitch-up or pitch-down attempting to recover. This can be overridden so the pilot can "rock" the nose via pitch control to recover.[55]

Unlike the YF-17, which had hydromechanical controls serving as a backup to the FBW, General Dynamics took the innovative step of eliminating mechanical linkages from the control stick and rudder pedals to the flight control surfaces.Lua error: not enough memory.Lua error: not enough memory. The F-16 is entirely reliant on its electrical systems to relay flight commands, instead of traditional mechanically linked controls, leading to the early moniker of "the electric jet" and aphorisms among pilots such as "You don't fly an F-16; it flies you."[56] The quadruplex design permits "graceful degradation" in flight control response in that the loss of one channel renders the FLCS a "triplex" system.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory. The FLCC began as an analog system on the A/B variants but has been supplanted by a digital computer system beginning with the F-16C/D Block 40.[57][58] The F-16's controls suffered from a sensitivity to static electricity or electrostatic discharge (ESD) and lightning.Lua error: not enough memory.Lua error: not enough memory. Up to 70–80% of the C/D models' electronics were vulnerable to ESD.[59]

Cockpit and ergonomics

File:A U.S. Air Force Airman from the 169th Fighter Wing conducts post flight tasks in an F-16 Fighting Falcon aircraft during a phase II operational readiness evaluation at McEntire Joint National Guard Base, S.C. 080412-F-WT236-013.jpg
Bubble canopy, allowing all-round visibility

A key feature of the F-16's cockpit is the exceptional field of view. The single-piece, bird-proof polycarbonate bubble canopy provides 360° all-round visibility, with a 40° look-down angle over the side of the aircraft, and 15° down over the nose (compared to the common 12–13° of preceding aircraft); the pilot's seat is elevated for this purpose. Additionally, the F-16's canopy omits the forward bow frame found on many fighters, which is an obstruction to a pilot's forward vision.[24]Lua error: not enough memory.Lua error: not enough memory. The F-16's ACES II zero/zero ejection seat is reclined at an unusual tilt-back angle of 30°; most fighters have a tilted seat at 13–15°. The tilted seat can accommodate taller pilots and increases g-force tolerance; however, it has been associated with reports of neck aches, possibly caused by incorrect headrest usage.[60] Subsequent U.S. fighters have adopted more modest tilt-back angles of 20°.[24]Lua error: not enough memory.Lua error: not enough memory. Because of the seat angle and the canopy's thickness, the ejection seat lacks canopy-breakers for emergency egress; instead the entire canopy is jettisoned prior to the seat's rocket firing.[61]

File:F16 Cockpit, Asian Aerospace 2006.JPG
F-16 ground trainer cockpit (F-16 Mid-Life Update (MLU))

The pilot flies primarily by means of an armrest-mounted side-stick controller (instead of a traditional center-mounted stick) and an engine throttle; conventional rudder pedals are also employed. To enhance the pilot's degree of control of the aircraft during high-g combat maneuvers, various switches and function controls were moved to centralized hands on throttle-and-stick (HOTAS) controls upon both the controllers and the throttle. Hand pressure on the side-stick controller is transmitted by electrical signals via the FBW system to adjust various flight control surfaces to maneuver the F-16. Originally, the side-stick controller was non-moving, but this proved uncomfortable and difficult for pilots to adjust to, sometimes resulting in a tendency to "over-rotate" during takeoffs, so the control stick was given a small amount of "play". Since the introduction of the F-16, HOTAS controls have become a standard feature on modern fighters.Lua error: not enough memory.

File:170614-F-RH756-282 (34929964880) crop.jpg
F-16 pilot with Joint Helmet Mounted Cueing System and cockpit head-up display

The F-16 has a head-up display (HUD), which projects visual flight and combat information in front of the pilot without obstructing the view; being able to keep their head "out of the cockpit" improves the pilot's situation awareness.[62] Further flight and systems information are displayed on multi-function displays (MFD). The left-hand MFD is the primary flight display (PFD), typically showing radar and moving maps; the right-hand MFD is the system display (SD), presenting information about the engine, landing gear, slat and flap settings, and fuel and weapons status. Initially, the F-16A/B had monochrome cathode-ray tube (CRT) displays; replaced by color liquid-crystal displays on the Block 50/52.[24]Lua error: not enough memory.Lua error: not enough memory. The Mid-Life Update (MLU) introduced compatibility with night-vision goggles (NVG). The Boeing Joint Helmet Mounted Cueing System (JHMCS) is available from Block 40 onwards, for targeting based on where the pilot's head faces, unrestricted by the HUD, using high-off-boresight missiles like the AIM-9X.[63]

Fire-control radar

The F-16A/B was originally equipped with the Westinghouse AN/APG-66 fire-control radar. Its slotted planar array antenna was designed to be compact to fit into the F-16's relatively small nose. In uplook mode, the APG-66 uses a low pulse-repetition frequency (PRF) for medium- and high-altitude target detection in a low-clutter environment, and in look-down/shoot-down employs a medium PRF for heavy clutter environments. It has four operating frequencies within the X band, and provides four air-to-air and seven air-to-ground operating modes for combat, even at night or in bad weather. The Block 15's APG-66(V)2 model added more powerful signal processing, higher output power, improved reliability, and increased range in cluttered or jamming environments. The Mid-Life Update (MLU) program introduced a new model, APG-66(V)2A, which features higher speed and more memory.[64]

File:F-16 Cockpit part.JPG
AN-APG-68, as fitted to the nose

The AN/APG-68, an evolution of the APG-66, was introduced with the F-16C/D Block 25. The APG-68 has greater range and resolution, as well as 25 operating modes, including ground-mapping, Doppler beam-sharpening, ground moving target indication, sea target, and track while scan (TWS) for up to 10 targets. The Block 40/42's APG-68(V)1 model added full compatibility with Lockheed Martin Low Altitude Navigation and Targeting Infrared for Night (LANTIRN) pods, and a high-PRF pulse-Doppler track mode to provide Interrupted Continuous Wave guidance for semi-active radar homing (SARH) missiles like the AIM-7 Sparrow. Block 50/52 F-16s initially used the more reliable APG-68(V)5 which has a programmable signal processor employing Very High Speed Integrated Circuit (VHSIC) technology. The Advanced Block 50/52 (or 50+/52+) is equipped with the APG-68(V)9 radar, with a 30% greater air-to-air detection range and a synthetic aperture radar (SAR) mode for high-resolution mapping and target detection-recognition. In August 2004, Northrop Grumman was contracted to upgrade the APG-68 radars of Block 40/42/50/52 aircraft to the (V)10 standard, providing all-weather autonomous detection and targeting for Global Positioning System (GPS)-aided precision weapons, SAR mapping, and terrain-following radar (TF) modes, as well as interleaving of all modes.[24]

The F-16E/F is outfitted with Northrop Grumman's AN/APG-80 active electronically scanned array (AESA) radar.[65] Northrop Grumman developed the latest AESA radar upgrade for the F-16 (selected for USAF and Taiwan's Republic of China Air Force F-16 upgrades), named the Scalable Agile Beam Radar (SABR) APG-83.[66][67] In July 2007, Raytheon announced that it was developing a Next Generation Radar (RANGR) based on its earlier AN/APG-79 AESA radar as a competitor to Northrop Grumman's AN/APG-68 and AN/APG-80 for the F-16.[24] On 28 February 2020, Northrop Grumman received an order from USAF to extend the service lives of their F-16s to at least 2048 with APG-83 Scalable Agile Beam Radar (SABR) as part of the service-life extension program (SLEP).[68]

Propulsion

File:Pratt & Whitney F100-PW-220 turbofan engine.jpg
Afterburner – concentric ring structure inside the exhaust

The initial powerplant selected for the single-engined F-16 was the Pratt & Whitney F100-PW-200 afterburning turbofan, a modified version of the F-15's F100-PW-100, rated at Lua error: not enough memory. thrust. During testing, the engine was found to be prone to compressor stalls and "rollbacks", wherein the engine's thrust would spontaneously reduce to idle. Until resolved, the Air Force ordered F-16s to be operated within "dead-stick landing" distance of its bases.[12] It was the standard F-16 engine through the Block 25, except for the newly built Block 15s with the Operational Capability Upgrade (OCU). The OCU introduced the Lua error: not enough memory. F100-PW-220, later installed on Block 32 and 42 aircraft: the main advance being a Digital Electronic Engine Control (DEEC) unit, which improved reliability and reduced stall occurrence. Beginning production in 1988, the "-220" also supplanted the F-15's "-100", for commonality. Many of the "-220" engines on Block 25 and later aircraft were upgraded from 1997 onwards to the "-220E" standard, which enhanced reliability and maintainability; unscheduled engine removals were reduced by 35%.[69]

File:F-16 Exhaust.JPG
Adjustable exhaust nozzle in contracted position

The F100-PW-220/220E was the result of the USAF's Alternate Fighter Engine (AFE) program (colloquially known as "the Great Engine War"), which also saw the entry of General Electric as an F-16 engine provider. Its F110-GE-100 turbofan was limited by the original inlet to a thrust of Lua error: not enough memory., the Modular Common Inlet Duct allowed the F110 to achieve its maximum thrust of Lua error: not enough memory.. (To distinguish between aircraft equipped with these two engines and inlets, from the Block 30 series on, blocks ending in "0" (e.g., Block 30) are powered by GE, and blocks ending in "2" (e.g., Block 32) are fitted with Pratt & Whitney engines.)[69][70]

The Increased Performance Engine (IPE) program led to the Lua error: not enough memory. F110-GE-129 on the Block 50 and Lua error: not enough memory. F100-PW-229 on the Block 52. F-16s began flying with these IPE engines in the early 1990s. Altogether, of the 1,446 F-16C/Ds ordered by the USAF, 556 were fitted with F100-series engines and 890 with F110s.[24] The United Arab Emirates' Block 60 is powered by the General Electric F110-GE-132 turbofan with a maximum thrust of Lua error: not enough memory., the highest thrust engine developed for the F-16.[71]

Operational history

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United States

File:F-16 takeoff in Germany.jpg
A U.S. Air Force F-16 from the 480th Fighter Squadron takes off from Spangdahlem Air Base in support of Operation Odyssey Dawn

The F-16 is being used by the active-duty USAF, Air Force Reserve, and Air National Guard units, the USAF aerial demonstration team, the U.S. Air Force Thunderbirds, and as an adversary-aggressor aircraft by the United States Navy at the Naval Strike and Air Warfare Center.Lua error: not enough memory.

The U.S. Air Force, including the Air Force Reserve and the Air National Guard, flew the F-16 in combat during Operation Desert Storm in 1991 and in the Balkans later in the 1990s. F-16s also patrolled the no-fly zones in Iraq during Operations Northern Watch and Southern Watch and served during the War in Afghanistan and the War in Iraq from 2001 and 2003 respectively. In 2011, Air Force F-16s took part in the intervention in Libya.[72]

On 11 September 2001, two unarmed F-16s were launched in an attempt to ram and down United Airlines Flight 93 before it reached Washington D.C. during the 11 September 2001 terrorist attacks, but Flight 93 was brought down by the passengers first, so the F-16s were retasked to patrol the local airspace and later escorted Air Force One back to Washington.[73][74]Lua error: not enough memory.

The F-16 had been scheduled to remain in service with the U.S. Air Force until 2025.[75] Its replacement was planned to be the F-35A variant of the Lockheed Martin F-35 Lightning II, which is expected to gradually begin replacing several multirole aircraft among the program's member nations. However, owing to delays in the F-35 program, all USAF F-16s will receive service life extension upgrades.[76] In 2022, it was announced the USAF would continue to operate the F-16 for another two decades.[77]

Israel

File:F-16-Netz-107-fighter-and-killmarks-01.jpg
Israeli Air Force F-16A Netz 107 with 6.5 kill marks of other aircraft, a record for an F-16, as well as one kill mark of an Iraqi nuclear reactor[78]

The F-16's first air-to-air combat success was achieved by the Israeli Air Force (IAF) over the Bekaa Valley on 28 April 1981, against a Syrian Mi-8 helicopter, which was downed with cannon fire.[79] On 7 June 1981, eight Israeli F-16s, escorted by six F-15s, executed Operation Opera, their first employment in a significant air-to-ground operation. This raid severely damaged Osirak, an Iraqi nuclear reactor under construction near Baghdad, to prevent the regime of Saddam Hussein from using the reactor for the creation of nuclear weapons.[80]

The following year, during the 1982 Lebanon War Israeli F-16s engaged Syrian aircraft in one of the largest air battles involving jet aircraft, which began on 9 June and continued for two more days. Israeli Air Force F-16s were credited with 44 air-to-air kills during the conflict.[79][81]

In January 2000, Israel completed a purchase of 102 new F-16I aircraft in a deal totaling $4.5 billion.[82] F-16s were also used in their ground-attack role for strikes against targets in Lebanon. IAF F-16s participated in the 2006 Lebanon War and the 2008–09 Gaza War.[83] During and after the 2006 Lebanon war, IAF F-16s shot down Iranian-made UAVs launched by Hezbollah, using Rafael Python 5 air-to-air missiles.[84][85][86]

On 10 February 2018, an Israeli Air Force F-16I was shot down in northern Israel when it was hit by a relatively old model S-200 (NATO name SA-5 Gammon) surface-to-air missile of the Syrian Air Defense Force.[87] The pilot and navigator ejected safely in Israeli territory. The F-16I was part of a bombing mission against Syrian and Iranian targets around Damascus after an Iranian drone entered Israeli air space and was shot down.[88] An Israel Air Force investigation determined on 27 February 2018 that the loss was due to pilot error since the IAF determined the air crew did not adequately defend themselves.[89]

Pakistan

File:84606 General Dynamics F-16BM 11(MR) 39W Pakistan Air Force Konya AFB 30.6.22 (52233200683).jpg
The PAF F-16BM (S. No. 84-606) which shot down one of the Indian jets during Operation Swift Retort (kill mark visible on nose)

During the Soviet–Afghan War, PAF F-16As shot down between 20 and 30 Soviet and Afghan warplanes; the political situation however resulted in PAF officially recognizing only 9 kills which were made inside Pakistani airspace.[90] From May 1986 to January 1989, PAF F-16s from the Tail Choppers and Griffin squadrons using mostly AIM-9 Sidewinder missiles, shot down four Afghan Su-22s, two MiG-23s, one Su-25, and one An-26.[91] Most of these kills were by missiles, but at least one, a Su-22, was destroyed by cannon fire. One F-16 was lost in these battles. The downed F-16 was likely hit accidentally by the other F-16.[92]

On 7 June 2002, a Pakistan Air Force F-16B Block 15 (S. No. 82-605) shot down an Indian Air Force unmanned aerial vehicle, an Israeli-made Searcher II, using an AIM-9L Sidewinder missile, during a night interception near Lahore.[93]

The Pakistan Air Force has used its F-16s in various foreign and internal military exercises, such as the "Indus Vipers" exercise in 2008 conducted jointly with Turkey.[94]Lua error: not enough memory.

Between May 2009 and November 2011Lua error: not enough memory., the PAF F-16 fleet flew more than 5,500 sortiesLua error: not enough memory. in support of the Pakistan Army's operations against the Taliban insurgency in the FATA region of North-West Pakistan. More than 80% of the dropped munitions were laser-guided bombs.[95][96]

On 27 February 2019, following six Pakistan Air Force airstrikes in Indian administered Kashmir, Pakistani officials said that two of its fighter jets shot down one MiG-21 and one Su-30MKI belonging to the Indian Air Force.[97][98][99][100] Indian officials only confirmed the loss of one MiG-21 but denied losing any Su-30MKI in the clash.[101][102] Additionally Indian officials also claimed to have shot down one F-16 belonging to the Pakistan Air Force.[103][104] This was denied by the Pakistani side,[105] considered dubious by neutral sources,[106][107] and later backed by a report by Foreign Policy magazine, reporting that the US had completed a physical count of Pakistan's F-16s and found none missing.[108] A report by The Washington Post noted that the Pentagon and State Department refused public comment on the matter but did not deny the earlier report.[109]

Turkey

File:F16 - RIAT 2014 (34306872320).jpg
F-16 SoloTürk aerial aerobatic aircraft

The Turkish Air Force acquired its first F-16s in 1987. F-16s were later produced in Turkey under four phases of Peace Onyx programs. In 2015, they were upgraded to Block 50/52+ with CCIP by Turkish Aerospace Industries.[110] Turkish F-16s are being fitted with indigenous AESA radars and EW suite called SPEWS-II.[111]

On 18 June 1992, a Greek Mirage F1 crashed during a dogfight with a Turkish F-16.[112][113][114] On 8 February 1995, a Turkish F-16 crashed into the Aegean Sea after being intercepted by Greek Mirage F1 fighters.[115][116]

Turkish F-16s have participated in Bosnia-Herzegovina and Kosovo since 1993 in support of United Nations resolutions.[117]

On 8 October 1996, seven months after the escalation a Greek Mirage 2000 reportedly fired an R.550 Magic II missile and shot down a Turkish F-16D over the Aegean Sea.[118][119] The Turkish pilot died, while the co-pilot ejected and was rescued by Greek forces.[114][120][121] In August 2012, after the downing of an RF-4E on the Syrian coast, Turkish Defence Minister İsmet Yılmaz confirmed that the Turkish F-16D was shot down by a Greek Mirage 2000 with an R.550 Magic II in 1996 near Chios island.[122] Greece denies that the F-16 was shot down.[123] Both Mirage 2000 pilots reported that the F-16 caught fire and they saw one parachute.[124][125]

On 23 May 2006, two Greek F-16s intercepted a Turkish RF-4 reconnaissance aircraft and two F-16 escorts off the coast of the Greek island of Karpathos, within the Athens FIR. A mock dogfight ensued between the two sides, resulting in a midair collision[126] between a Turkish F-16 and a Greek F-16. The Turkish pilot ejected safely, but the Greek pilot died owing to damage caused by the collision.[127][128]

Turkey used its F-16s extensively in its conflict with Kurdish insurgents in southeastern parts of Turkey and Iraq. Turkey launched its first cross-border raid on 16 December 2007, a prelude to the 2008 Turkish incursion into northern Iraq, involving 50 fighters before Operation Sun. This was the first time Turkey had mounted a night-bombing operation on a massive scale, and also the largest operation conducted by the Turkish Air Force.[129]

During the Syrian Civil War, Turkish F-16s were tasked with airspace protection on the Syrian border. After the RF-4 downing in June 2012 Turkey changed its rules of engagement against Syrian aircraft, resulting in scrambles and downings of Syrian combat aircraft.[130] On 16 September 2013, a Turkish Air Force F-16 shot down a Syrian Arab Air Force Mil Mi-17 helicopter near the Turkish border.[131] On 23 March 2014, a Turkish Air Force F-16 shot down a Syrian Arab Air Force MiG-23 when it allegedly entered Turkish air space during a ground attack mission against Al Qaeda-linked insurgents.[132] On 16 May 2015, two Turkish Air Force F-16s shot down a Syrian Mohajer 4 UAV firing two AIM-9 missiles after it trespassed into Turkish airspace for 5 minutes.[133][134] A Turkish Air Force F-16 shot down a Russian Air Force Sukhoi Su-24 on the Turkey-Syria border on 24 November 2015.[135]

On 1 March 2020, two Syrian Sukhoi Su-24s were shot down by Turkish Air Force F-16s using air-to-air missiles over Syria's Idlib Governorate.[136] All four pilots safely ejected.[137] On 3 March 2020, a Syrian Arab Army Air Force L-39 combat trainer was shot down by a Turkish F-16 over Syria's Idlib province.[138] The pilot died.[139]

As a part of Turkish F-16 modernization program new air-to-air missiles are being developed and tested for the aircraft. GÖKTUĞ program led by TUBITAK SAGE has presented two types of air-to-air missiles named as Bozdogan (Merlin) and Gokdogan (Peregrine). While Bozdogan has been categorized as a Within Visual Range Air-to-Air Missile (WVRAAM), Gokdogan is a Beyond Visual Range Air-to-Air Missile (BVRAAM). On 14 April 2021, first live test exercise of Bozdogan have successfully completed and the first batch of missiles are expected to be delivered throughout the same year to the Turkish Air Force.[140][141]

Egypt

File:Egyptian Air Force F-16 Fighting Falcon.jpg
An Egyptian Air Force F-16 prepares to make contact with a United States Air Force KC-135 Stratotanker, 2007

On 16 February 2015, Egyptian F-16s struck weapons caches and training camps of the Islamic State (ISIS) in Libya in retaliation for the murder of 21 Egyptian Coptic Christian construction workers by masked militants affiliated with ISIS. The air strikes killed 64 ISIS fighters, including three leaders in Derna and Sirte on the coast.[142]

Others

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File:Iraqi Air Force F-16 Fighting Falcon flies over an undisclosed location July 18 2019.jpg
Iraqi Air Force F-16C

The Royal Netherlands Air Force, Belgian Air Force, Royal Danish Air Force, Royal Norwegian Air Force, and Venezuela Air Force have flown the F-16 on combat missions.Lua error: not enough memory.Lua error: not enough memory.

A Yugoslavian MiG-29 was shot down by a Dutch F-16AM during the Kosovo War in 1999.[143] Belgian and Danish F-16s also participated in joint operations over Kosovo during the war.[143] Dutch, Belgian, Danish, and Norwegian F-16s were deployed during the 2011 intervention in Libya and in Afghanistan.[144] In Libya, Norwegian F-16s dropped almost 550 bombs and flew 596 missions,[145] some 17% of the total strike missions[146] including the bombing of Muammar Gaddafi's headquarters.[147]

The Royal Moroccan Air Force and the Royal Bahraini Air Force each lost a single F-16C, both shot down by Houthi anti-aircraft fire during the Saudi Arabian-led intervention in Yemen, respectively on 11 May 2015 and on 30 December 2015.[148]

In late March 2018, Croatia announced its intention to purchase 12 used Israeli F-16C/D "Barak"/"Brakeet" jets, pending U.S. approval.[149] Acquiring these F-16s would allow Croatia to retire its aging MiG-21s.[150]

On 11 July 2018, Slovakia's government approved the purchase of 14 F-16 Block 70/72 to replace its aging fleet of Soviet-made MiG-29s.[151] A contract was signed on 12 December 2018 in Bratislava.[152]

Potential operators

In May 2023, an international coalition consisting of the United Kingdom, the Netherlands, Belgium and Denmark announced their intention to train Ukrainian jet pilots on the F-16 ahead of possible future deliveries to increase the Ukrainian Air Force capabilities in the current Russo-Ukrainian War. The U.S. confirmed that it would approve the re-export from these countries to Ukraine.[153] Denmark has agreed to help train Ukrainians on their usage of the fighter. Denmark's acting Defence Minister Troels Lund Poulsen said Denmark: "will now be able to move forward for a collective contribution to train Ukrainian pilots to fly F-16s".[154] On 6 July 2023, Romania announced that it will host the future training center after the meeting of the Supreme Council of National Defense.[155] During the 2023 Vilnius summit, a coalition was formed consisting of Denmark, the Netherlands, Belgium, Canada, Luxembourg, Norway, Poland, Portugal, Romania, Sweden, the United Kingdom, and Ukraine.[156] A number of Ukrainian pilots began training in Denmark and the U.S.[157][158] The European F-16 Training Center, organized by Romania, the Netherlands, and Lockheed Martin through several subcontractors, officially opened on 13 November 2023. It is located at the Romanian Air Force's 86th Air Base, and Ukrainian pilots are expected to start training there in early 2024.[159] On 17 August 2023, the US approved the transfer of F-16s from the Netherlands and Denmark to Ukraine after the Ukrainian pilots have completed their training.[160] The Netherlands and Denmark have announced that together they will donate up to 61 F-16AM/BM Block 15 MLU fighters to Ukraine once pilot training has been completed.[161][162]

The Bulgarian Air Force expects delivery of the first eight new F-16 Block 70s by 2025 and the second batch of eight F-16 Block 70s is expected to arrive in 2027.[163]

On 11 October 2023, Deputy Assistant Secretary for Regional Security Mira Resnick confirmed to Jorge Argüello, Argentinean ambassador to the US, that the State Department has approved the transfer of 38 F-16s from Denmark.[164]

Variants

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File:ROCAF F-16B 6826 Taxiing at Hualien Air Force Base 20170923b.jpg
A Republic of China Air Force F-16B landing at Hualien Air Force Base.
File:Take-off F-16B Venezuela (11037665315).jpg
Venezuelan Air Force F-16B
File:F-35 Divertless Supersonic Inlet F-16.jpg
Testing of the F-35 diverterless supersonic inlet on an F-16 testbed. The original intake with Splitter plate shown in the top image.

F-16 models are denoted by increasing block numbers to denote upgrades. The blocks cover both single- and two-seat versions. A variety of software, hardware, systems, weapons compatibility, and structural enhancements have been instituted over the years to gradually upgrade production models and retrofit delivered aircraft.Lua error: not enough memory.

While many F-16s were produced according to these block designs, there have been many other variants with significant changes, usually because of modification programs. Other changes have resulted in role-specialization, such as the close air support and reconnaissance variants. Several models were also developed to test new technology. The F-16 design also inspired the design of other aircraft, which are considered derivatives. Older F-16s are being converted into QF-16 drone targets.[165]

F-16A/B
The F-16A (single seat) and F-16B (two seat) were initial production variants. These variants include the Block 1, 5, 10, 15, and 20 versions. Block 15 was the first major change to the F-16 with larger horizontal stabilizers. It is the most numerous of all F-16 variants with 475 produced.Lua error: not enough memory.Lua error: not enough memory. Around 300 F-16A and B aircraft were upgraded to the Block 15 Mid-Life Update (MLU) standard, getting analogous capability to F-16C/D Block 50/52 aircraft.[166][167]
File:190320-F-BU402-0064.jpg
An F-16D assigned to the 416th Flight Test Squadron, 412th Test Wing, Air Force Test Center, flies over the Mojave Desert near Edwards AFB, California
F-16C/D
The F-16C (single seat) and F-16D (two seat) variants entered production in 1984. The first C/D version was the Block 25 with improved cockpit avionics and radar which added all-weather capability with beyond-visual-range (BVR) AIM-7 and AIM-120 air-air missiles. Block 30/32, 40/42, and 50/52 were later C/D versions.[168] The F-16C/D had a unit cost of US$18.8 million (1998).[47] Operational cost per flight hour has been estimated at $7,000[169] to $22,470[170] or $24,000, depending on the calculation method.[171]Lua error: not enough memory.
File:F-16e block60.jpg
United Arab Emirates Air Force F-16E Block 60 with the IFTS pod, CFTs, and various external armament taking off
F-16E/F
The F-16E (single seat) and F-16F (two seat) are newer F-16 Block 60 variants based on the F-16C/D Block 50/52. The United Arab Emirates invested heavily in their development. They feature improved AN/APG-80 active electronically scanned array (AESA) radar, infrared search and track (IRST), avionics, conformal fuel tanks (CFTs), and the more powerful General Electric F110-GE-132 engine.[172][173][174][N 1]
F-16IN
For the Indian MRCA competition for the Indian Air Force, Lockheed Martin offered the F-16IN Super Viper.[177] The F-16IN is based on the F-16E/F Block 60 and features conformal fuel tanks; AN/APG-80 AESA radar, GE F110-GE-132A engine with FADEC controls; electronic warfare suite and infrared search and track (IRST) unit; updated glass cockpit; and a helmet-mounted cueing system.[178] As of 2011, the F-16IN is no longer in the competition.[179]Lua error: not enough memory. In 2016, Lockheed Martin offered the new F-16 Block 70/72 version to India under the Make in India program.[180][181] In 2016, the Indian government offered to purchase 200 (potentially up to 300) fighters in a deal worth $13–15bn.[182] As of 2017, Lockheed Martin has agreed to manufacture F-16 Block 70 fighters in India with the Indian defense firm Tata Advanced Systems Limited. The new production line could be used to build F-16s for India and for exports.[183]
F-16IQ
In September 2010, the Defense Security Cooperation Agency informed the United States Congress of a possible Foreign Military Sale of 18 F-16IQ aircraft along with the associated equipment and services to the newly reformed Iraqi Air Force. The total value of sale was estimated at US$Lua error: not enough memory..[184] The Iraqi Air Force purchased those 18 jets in the second half of 2011, then later exercised an option to purchase 18 more for a total of 36 F-16IQs.[185] As of 2021Lua error: not enough memory., the Iraqi had lost two in accidents.[186] By 2023, the US government reported that these jets were Iraq's most capable airborne platforms with a 66 percent mission-capable rate. Their maintenance was being supported by private contractors. At the same time, Iraq's Russian-made systems were suffering from sanctions imposed in the wake of Russia's invasion of Ukraine.[187]
F-16N
The F-16N was an adversary aircraft operated by the United States Navy. It is based on the standard F-16C/D Block 30, is powered by the General Electric F110-GE-100 engine, and is capable of supercruise.[188] The F-16N has a strengthened wing and is capable of carrying an Air Combat Maneuvering Instrumentation (ACMI) pod on the starboard wingtip. Although the single-seat F-16Ns and twin-seat (T)F-16Ns are based on the early-production small-inlet Block 30 F-16C/D airframe, they retain the APG-66 radar of the F-16A/B. In addition, the aircraft's 20mm cannon has been removed, as has the airborne self-protection jammer (ASPJ), and they carry no missiles. Their EW fit consists of an ALR-69 radar warning receiver (RWR) and an ALE-40 chaff/flare dispenser. The F-16Ns and (T)F-16Ns have the standard Air Force tailhook and undercarriage and are not aircraft carrier–capable. Production totaled 26 airframes, of which 22 are single-seat F-16Ns and 4 are twin-seat TF-16Ns. The initial batch of aircraft was in service between 1988 and 1998. At that time, hairline cracks were discovered in several bulkheads, and the Navy did not have the resources to replace them, so the aircraft were eventually retired, with one aircraft sent to the collection of the National Naval Aviation Museum at NAS Pensacola, Florida, and the remainder placed in storage at Davis-Monthan AFB. These aircraft were later replaced by embargoed ex-Pakistani F-16s in 2003. The original inventory of F-16Ns was previously operated by adversary squadrons at NAS Oceana, Virginia; NAS Key West, Florida; and the former NAS Miramar, California. The current F-16A/B aircraft are operated by the Naval Strike and Air Warfare Center at NAS Fallon, Nevada.[189][190][191]
F-16V
At the 2012 Singapore Air Show, Lockheed Martin unveiled plans for the new F-16V variant with the V suffix for its Viper nickname. It features an AN/APG-83 active electronically scanned array (AESA) radar, a new mission computer and electronic warfare suite, an automated ground collision avoidance system, and various cockpit improvements; this package is an option on current production F-16s and can be retrofitted to most in service F-16s.[192][193] First flight took place 21 October 2015.[194] Taiwanese media reported that Taiwan and the U.S. both initially invested in the development of the F-16V.[195] Upgrades to Taiwan's F-16 fleet began in January 2017.[196] The first country to confirm the purchase of 16 new F-16 Block 70/72 was Bahrain.[197][198] Greece announced the upgrade of 84 F-16C/D Block 52+ and Block 52+ Advanced (Block 52M) to the latest V (Block 70/72) variant in October 2017.[199][200] Slovakia announced on 11 July 2018 that it intends to purchase 14 F-16 Block 70/72 aircraft.[201][202] Lockheed Martin has redesignated the F-16V Block 70 as the "F-21" in its offering for India's fighter requirement.[203] Taiwan's Republic of China Air Force announced on 19 March 2019 that it formally requested the purchase of an additional 66 F-16V fighters.[204] The Trump administration approved the sale on 20 August 2019.[205][206] On 14 August 2020, Lockheed Martin was awarded a US$62 billion contract by the US DoD[207] that includes 66 new F-16s at US$8 billion (~$Lua error: not enough memory. in 2021) for Taiwan.[208]
File:QF-16.JPG
USAF QF-16A, on its first unmanned test flight, over the Gulf of Mexico
QF-16
In September 2013, Boeing and the U.S. Air Force tested an unmanned F-16, with two US Air Force pilots controlling the airplane from the ground as it flew from Tyndall AFB over the Gulf of Mexico.[209][210][211]

Related developments

Vought Model 1600
Proposed naval variant
General Dynamics F-16XL
1980s technology demonstrator
General Dynamics NF-16D VISTA
1990s experimental fighter
Mitsubishi F-2
1990s Japanese multi-role fighter based on the F-16

Operators

File:F-16 Operators.svg
Operators
<span class="legend-color mw-no-invert" style="Lua error: not enough memory.">  Current
<span class="legend-color mw-no-invert" style="Lua error: not enough memory.">  Former
<span class="legend-color mw-no-invert" style="Lua error: not enough memory.">  Future
File:F-16C block 52+ fighter jet, Hellenic Air Force (November 2010).jpg
F-16C Block 52 of the Hellenic Air Force with conformal fuel tanks and Advanced IFF (AIFF)

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By July 2010, there had been 4,500 F-16s delivered.[212]

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Former operators

Future operators

  • Template:BUL – On 3 June 2019, the US State Department approved the possible sale of 8 F-16 Block 70s to Bulgaria.[220] On 26 July the deal was approved by the Bulgarian parliament, and President Rumen Radev.[221] In November 2022, the purchase of a further 8 F-16 Block 70 fighters, spares, weapons and other systems was approved for delivery in 2027.[222]
  • Template:UKR – On 20 August 2023, Denmark and the Netherlands announced the joint transfer of up to 61 F-16s to the Ukrainian Air Force.[223][224] Four days later, Norway announced the donation of 5–10 aircraft, depending on how many can be made operational.[219] In January 2024, the Netherlands announced the transfer of another 6 F-16s, bringing the total which will be donated by the country to 24.[225]
  • Template:ARG – In 2024, Argentina bought 24 F-16AM from Denmark, beating a bid to acquire JF-17s from China. Each F-16AM in the deal cost about $24 million.[226]

Notable accidents and incidents

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File:Crash.arp.600pix.jpg
A U.S. Air Force Thunderbirds pilot ejects from the F-16 just before impact at an air show in September 2003.

The F-16 has been involved in over 670 hull-loss accidents as of January 2020.[227][228]

  • On 8 May 1975, while practicing a 9-g aerial display maneuver with the second YF-16 (tail number 72-1568) at Fort Worth, Texas, prior to being sent to the Paris Air Show, one of the main landing gears jammed. The test pilot, Neil Anderson, had to perform an emergency gear-up landing and chose to do so in the grass, hoping to minimize damage and avoid injuring any observers. The aircraft was only slightly damaged, but because of the mishap, the first prototype was sent to the Paris Air Show in its place.[229]
  • On 15 November 1982, while on a training flight outside Kunsan Air Base in South Korea, USAF Captain Ted Harduvel died when he crashed inverted into a mountain ridge. In 1985, Harduvel's widow filed a lawsuit against General Dynamics claiming an electrical malfunction, not pilot error, as the cause; a jury awarded the plaintiff $3.4 million in damages. However, in 1989, the U.S. Court of Appeals ruled the contractor had immunity to lawsuits, overturning the previous judgment. The court remanded the case to the trial court "for entry of judgment in favor of General Dynamics".[230] The accident and subsequent trial was the subject of the 1992 film Afterburn.[231][232]
  • On 23 March 1994, during a joint Army-Air Force exercise at Pope AFB, North Carolina, F-16D (AF Serial No. 88-0171) of the 23d Fighter Wing / 74th Fighter Squadron was simulating an engine-out approach when it collided with a USAF C-130E. Both F-16 crew members ejected, but their aircraft, on full afterburner, continued on an arc towards Green Ramp and struck a USAF C-141 that was being boarded by US Army paratroopers. This accident resulted in 24 fatalities and at least 100 others injured.[233] It has since been known as the "Green Ramp disaster".[234]
  • On 15 September 2003, a USAF Thunderbirds F-16C crashed during an air show at Mountain Home AFB, Idaho. Captain Christopher Stricklin attempted a "split S" maneuver based on an incorrect mean-sea-level altitude of the airfield. Climbing to only Lua error: not enough memory. above ground level instead of Lua error: not enough memory., Stricklin had insufficient altitude to complete the maneuver, but was able to guide the aircraft away from spectators and ejected less than one second before impact. Stricklin survived with only minor injuries; the aircraft was destroyed. USAF procedure for demonstration "Split-S" maneuvers was changed, requiring both pilots and controllers to use above-ground-level (AGL) altitudes.[235][236]
  • On 26 January 2015, a Greek F-16D crashed while performing a NATO training exercise in Albacete, Spain. Both crew members and nine French soldiers on the ground died when it crashed in the flight line, destroying or damaging two Italian AMXs, two French Alpha jets, and one French Mirage 2000.[237][238] Investigations suggested that the accident was due to an erroneous rudder setting that was caused by loose papers in the cockpit.[239]
  • On 7 July 2015, an F-16CJ collided with a Cessna 150M over Moncks Corner, South Carolina, U.S. The pilot of the F-16 ejected safely, but both people in the Cessna were killed.[240]
  • On 11 October 2018, an F-16 MLU from the 2nd Tactical Wing of the Belgian Air Component, on the apron at Florennes Air Station, was hit by a gun burst from a nearby F-16, whose cannon was fired inadvertently during maintenance. The aircraft caught fire and was burned to the ground, while two other F-16s were damaged and two maintenance personnel were treated for aural trauma.[241]
  • On 11 March 2020, a Pakistani F-16AM (Serial No. 92730) of the No. 9 Squadron (Pakistan Air Force) crashed in the Shakarparian area of Islamabad during rehearsals for the Pakistan Day Parade. The plane crashed when the F-16 was executing an aerobatic loop. As a result, the pilot of the F-16, Wing Commander Noman Akram, who was also the Commanding Officer of the No. 9 Squadron "Griffins", lost his life. A board of inquiry ordered by the Pakistan Air Force later revealed that the pilot had every chance to eject but opted not to and tried his best to save the aircraft and avoid civilian casualties on the ground. Videos taken by locals on the ground show his F-16AM crashing into some woods. He was hailed a hero by Pakistanis while also gaining some attention internationally.[242]
  • On 6 May 2023, a U.S. Air Force F-16C belonging to the 8th Fighter Wing crashed in a field near Osan Air Base in South Korea during a daytime training sortie. The pilot safely ejected from the aircraft.[243]Lua error: not enough memory.

Specifications (F-16C Block 50 and 52)

File:GENERAL DYNAMICS F-16 FIGHTING FALCON.svg
3-view drawing of an F-16
File:F16 vertical climb.png
The underside of an F-16 during a vertical climb
File:Lockheed F-16C USAF 92-3894 PACAF F-16 Demo Team RJNK.jpg
F-16 in afterburner
File:B61 in Weapons Storage and Security System.jpg
Weapons Storage and Security System vault in raised position holding a B61 nuclear bomb, adjacent to an F-16. The vault is within a Protective Aircraft Shelter.
File:Israeli F-16s at Red Flag.jpg
An Israeli F-16I Block 52 with conformal fuel tanks (CFTs), electronic countermeasures, and other external stores during a Red Flag exercise at Nellis AFB, Nevada

Data from USAF sheet,[47] International Directory of Military Aircraft,[54] Flight Manual for F-16C/D Block 50/52+[244]

General characteristics

  • Crew: 1
  • Length: Lua error: not enough memory.
  • Wingspan: Lua error: not enough memory.
  • Height: Lua error: not enough memory.
  • Wing area: Lua error: not enough memory.
  • Airfoil: NACA 64A204[245]
  • Empty weight: Lua error: not enough memory.
  • Gross weight: Lua error: not enough memory.
  • Max takeoff weight: Lua error: not enough memory.
  • Fuel capacity: Lua error: not enough memory. internal[47]
  • Powerplant: 1 × General Electric F110-GE-129 for Block 50 aircraft , Lua error: not enough memory. thrust dry, Lua error: not enough memory. with afterburner
    (1 × Pratt & Whitney F100-PW-229 for Block 52 aircraft, Lua error: not enough memory. thrust dry and Lua error: not enough memory. with afterburner.)

Performance

  • Maximum speed: Mach 2.05, Lua error: not enough memory. at 40,000 feet, clean[54]
    • Mach 1.2, Lua error: not enough memory. at sea level[54]
  • Combat range: Lua error: not enough memory. (Lua error: not enough memory., Lua error: not enough memory.) on a hi-lo-hi mission with 4 × Lua error: not enough memory. bombs
  • Ferry range: Lua error: not enough memory. (Lua error: not enough memory., Lua error: not enough memory.) with drop tanks
  • Service ceiling: Lua error: not enough memory. [47]
  • g limits: +9.0
  • Roll rate: 324°/s[246]
  • Wing loading: Lua error: not enough memory.
  • Thrust/weight: 1.095 (1.24 with loaded weight & 50% internal fuel)[N 2]

Armament

Avionics

  • AN/APG-83 / AN/APG-68 radar (depends on aircraft variant). The AN/APG-68 radar is being replaced on many US Air Force F-16C/D Block 40/42 and 50/52 aircraft by the AN/APG-83 AESA radar.[249][250]
  • AN/ALR-56M radar warning receiver, being replaced on US Air Force F-16C/D Block 40/42 and 50/52 by AN/ALR-69A(V)
  • AN/ALQ-213 electronic warfare suite, being replaced on US Air Force F-16C/D Block 40/42 and 50/52 by AN/ALQ-257
  • MIL-STD-1553 bus[251]Lua error: not enough memory.

Notable appearances in media

Lua error: not enough memory.

See also

Lua error: not enough memory.

Related development

Aircraft of comparable role, configuration, and era

Related lists

References

Notes

  1. ↑ The F-16XL was originally referred to as "F-16E", with "F-16F" reserved for a variant, however this was dropped after the decision was made to procure the F-15E Strike Eagle instead.[175][176]
  2. ↑ Thrust (28,600 lb) / Loaded weight with 50% internal fuel (23,000 lb)

Lua error: not enough memory.

Citations

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  16. ↑ Osborne, Phil, Executive Producer. "F-16 Fighting Falcon" (video #9-315842-037444). Magna Pacific, 2009. Quote: At 17:29, "Another development, which both manufacturers were aware of, was the aging F-104 Starfighters, which equip several European NATO air forces, would soon need to be replaced."
  17. ↑ 17.0 17.1 Richardson 1990, p. 14.
  18. ↑ 18.0 18.1 Peacock 1997, pp. 12–13.
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Lua error: not enough memory.

Bibliography

  • Lua error: not enough memory.
  • Lua error: not enough memory.
  • Lua error: not enough memory.
  • Lua error: not enough memory.
  • Lua error: not enough memory.
  • Lua error: not enough memory.
  • Lua error: not enough memory.
  • Lua error: not enough memory.
  • Lua error: not enough memory.
  • Lua error: not enough memory.
  • Lua error: not enough memory.
  • Lua error: not enough memory.
  • Lua error: not enough memory.
  • Lua error: not enough memory.

Further reading

  • Drendel, Lou. F-16 Fighting Falcon – Walk Around No. 1. Carrollton, Texas: Squadron/Signal Books, 1993. Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory..
  • Gunston, Bill. United States Military Aircraft of the 20th century London: Salamander Books Ltd, 1984. Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory..
  • Jenkins, Dennis R. McDonnell Douglas F-15 Eagle, Supreme Heavy-Weight Fighter. Arlington, Texas: Aerofax, 1998. Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory..
  • Sweetman, Bill. Supersonic Fighters: The F-16 Fighting Falcons. Mankato, Minnesota: Capstone Press, 2008. Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory..
  • Williams, Anthony G. and Dr. Emmanuel Gustin. Flying Guns: The Modern Era. Ramsbury, UK: The Crowood Press, 2004. Lua error: not enough memory.Lua error: not enough memory.Lua error: not enough memory..

External links

Lua error: not enough memory.

Lua error: not enough memory. Lua error: not enough memory. Template:F-16 Fighting Falcon variants Template:US fighters Lua error: not enough memory. Template:Thai fighter designations

Lua error: not enough memory.

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