Northrop F-20 Tigershark
| F-20 Tigershark | |
|---|---|
 |
|
| F-20 prototype 82-0062 | |
| Role | Fighter aircraft |
| National origin | United States |
| Manufacturer | Northrop Corporation |
| First flight | 30 August 1982 |
| Status | Canceled |
| Number built | 3 |
| Program cost | US$1.2 billion |
| Developed from | Northrop F-5 |
| Northrop F-20 (F-5G) cutaway | |
 Hi-res cutaway of the Northrop F-20 (F-5G) by Flight Global. |
The Northrop F-20 Tigershark (initially F-5G) was a privately financed light fighter, designed and built by Northrop. Its development began in 1975 as a further evolution of Northrop's F-5E Tiger II, featuring a new engine that greatly improved overall performance, and a modern avionics suite including a powerful and flexible radar. Compared with the F-5E, the F-20 was much faster, gained beyond-visual-range air-to-air capability, and had a full suite of air-to-ground modes capable of firing most U.S. weapons. With these improved capabilities, the F-20 became competitive with contemporary fighter designs such as the General Dynamics F-16 Fighting Falcon, but was much less expensive to purchase and operate.
Much of the F-20's development was carried out under a US Department of Defense (DoD) project called "FX". FX sought to develop fighters that would be capable in combat with the latest Soviet aircraft, but excluding sensitive front-line technologies used by the United States Air Force's own aircraft. FX was a product of the Carter administration's military export policies, which aimed to provide foreign nations with high quality equipment without the risk of US front-line technology falling into Soviet hands. Northrop had high hopes for the F-20 in the international market, but policy changes following Ronald Reagan's election meant the F-20 had to compete for sales against aircraft like the F-16, the USAF's latest fighter design. The development program was abandoned in 1986 after three prototypes had been built and a fourth partially completed.
When the Kennedy administration entered office in 1961, the U.S. Department of Defense was instructed to find an inexpensive fighter aircraft that the United States could offer to its allies through the Mutual Defense Assistance Act. A number of designs were studied, including stripped-down versions of the Lockheed F-104 Starfighter and Vought F-8 Crusader, and the newly designed Northrop N-156F. On 23 April 1962, the United States Air Force (USAF) informed the United States Secretary of Defense that the N-156F had been selected, under the designation F-5 and given the name "Freedom Fighter." 847 F-5's of various early marks would be produced.
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