The Northrop YF-17 (nicknamed "Cobra") was a prototype lightweight fighter aircraft designed by Northrop aviation for the United States Air Force's Lightweight...

The Lockheed/Boeing/General Dynamics YF-22 is an American single-seat, twin-engine, stealth fighter technology demonstrator prototype designed for the...

Fighter Squadron (1993–2008) 412th Test Wing – Edwards AFB, California 410th Flight Test Squadron (1993–2008) Source: f117sfa.org YF-117A 79-10780 Scorpion...

engines for both the Lockheed/Boeing/General Dynamics YF-22 and the Northrop/McDonnell Douglas YF-23 ATF technology and flight demonstrators. The ATF's...

Source: YF 2121 YF 2124 YF 2125 YF 2127 - commissioned in March 1992 YF 2128 - commissioned in March 1992 YF 2129 - commissioned in March 1992 YF 2132 -...

The North American F-86D/K/L Sabre (initially known as the YF-95 and widely known informally as the "Sabre Dog") is an American transonic jet interceptor...

training systems. First flown in 1997, the F-22 descended from the Lockheed YF-22 and was variously designated F-22 and F/A-22 before it formally entered...

afterburner to the Allison J33 powerplant used. On 16 April 1949, the prototype YF-94 conducted its maiden flight. While teething problems were encountered,...

Original designation for the YF-93A, two built, 48–317 & 48–318, order for 118 cancelled, North American model NA-157 YF-95A Prototype all-weather interceptor...

flew from 1963 to 1968. It was the precursor to the twin-seat U.S. Air Force YF-12 prototype interceptor, M-21 launcher for the D-21 drone, and the SR-71...

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...

McDonnell Douglas and Northrop, the F/A-18 was derived from the latter's YF-17 in the 1970s for use by the United States Navy and Marine Corps. The Hornet...

Shul and Watson 1993, pp. 113–114. Landis & Jenkins (2004), pp. 77–78 "SR-71 World Record Speed and Altitude Flights". Wvi.com. "A-12, YF-12A, & SR-71 Timeline...

December 1999 list (13856) 1999 XZ105 11 December 1999 list (14013) 1993 YF 17 December 1993 list (14033) 1994 YR 28 December 1994 list (14034) 1995 BW 25 January...

Bolyai November 26, 1937 Konkoly G. Kulin  · 15 km MPC · JPL 1442 Corvina 1937 YF Corvina December 29, 1937 Konkoly G. Kulin KOR 17 km MPC · JPL 1443 Ruppina...

starting point for a series of design studies which resulted in the Northrop YF-17 and the F/A-18 naval fighter aircraft. The Northrop F-20 Tigershark was...

USS YF-416 was an American YF-257-class covered lighter built in 1943 for service in World War II. She was later acquired by the United States Coast Guard...

described below. Two single-seat YF-16 prototypes were built for the Light Weight Fighter (LWF) competition. The first YF-16 was rolled out at Fort Worth...

U.S. Air Force operated a small number of MiG-23s, officially designated YF-113, as both test and evaluation aircraft and in an aggressor role for fighter...

Tactical Fighter program flyoff competition between the Lockheed YF-22 and Northrop YF-23 prototypes. Following the completion of the competition, the...

YF Sonata in 2005, with a development cost of ₩450 billion (US$372 million). In the Australian, New Zealand, Singapore, and Colombian markets, the YF...

added 3 feet (0.91 m) to the length of the aircraft. It was redesignated YF-89A to reflect its role as a pre-production testbed to evaluate equipment...

prototypes being ordered one year later following modifications. The first YF-100A performed its maiden flight on 25 May 1953, seven months ahead of schedule...

designations. YF-110B Soviet MiG-21F-13 YF-110C Chinese Chengdu J-7B (MiG-21F-13 variant) YF-110D Soviet MiG-21MF YF-113B Soviet MiG-23BN YF-113E Soviet...

Bolyai (1802–1860), Hungarian mathematician DMP · 1441 1442 Corvina 1937 YF Matthias Corvinus (1443–1490), King of Hungary. His library, the Bibliotheca...

"A Spy Mission Gone Wrong". Newsweek. 30 May 1993. "A Spy Mission Gone Wrong". Newsweek. 30 May 1993. "Drogas y Democracia – "Air Bridge Denial": El...

June 4, 1989 Palomar E. F. Helin EUN 6.0 km MPC · JPL 5518 Mariobotta 1989 YF Mariobotta December 30, 1989 Chions J. M. Baur slow 7.2 km MPC · JPL 5519...

software and for his computation of orbits MPC · 5517 5518 Mariobotta 1989 YF Mario Botta (born 1943), a Swiss architect MPC · 5518 5519 Lellouch 1990 QB4...

Retrieved 2023-11-15. "FLASHBACK: Triplesonic Interceptors: The F-103, F-108 & YF-12A". Air Force Materiel Command. 2020-01-16. Retrieved 2023-12-13. "XF-103...

prototype 79–780, designated YF-117A. At 6:05 am on 18 June 1981 Lockheed Skunk Works test pilot Hal Farley lifted the nose of YF-117A 79–780 off the runway...