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YF-23 "Gray Ghost" on display at the USAF Museum at Wright-Patterson Air Force Base, 2023 YF-23 "Spider" on display at the Western Museum of Flight, 2017 YF-23A PAV-2, AF ser. no. 87-0801 , "Spider", registration number N232YF, was on exhibit at the Western Museum of Flight until 2004, [ 76 ] when it was reclaimed by Northrop Grumman and used ...
Northrop and McDonnell Douglas submitted the YF-23. Lockheed, Boeing and General Dynamics proposed and built the YF-22, which, although marginally slower and having a larger radar cross-section, was more agile than the YF-23. The Lockheed team was picked by the Air Force as the winner of the ATF in April 1991.
The Northrop/McDonnell Douglas group promoted the larger YF-23." I might be wrong, but I don't think anything would be lost here by deleting the first sentence and going with: "Lockheed, Boeing and General Dynamics entered the YF-22, while Northrop and McDonnell Douglas promoted the larger YF-23."
Northrop team's YF-23 (above) and Lockheed team's YF-22 (below) flying in formation. The first YF-23 made its maiden flight on 27 August 1990 and the first YF-22 first flew on 29 September 1990. [53] Flight testing began afterwards at Edwards Air Force Base and added the second aircraft for each competitor in late October 1990. [54]
The YF-22 and YF-23 in formation during flight testing in the early 1990s The squadron was first activated as the 6511th Test Squadron in March 1989 to conduct the Advanced Tactical Fighter program. It began flying the Northrop YF-23 on 27 August and the Lockheed YF-22 on 29 September 1990, flying both through December 1990, though the ...
However, the cited books in this article are written by people with direct connections to the YF-23, namely Alfred "Paul" Metz, YF-23 PAV-1 test pilot, and Air Force Materiel Command researchers and archiver, Tony Landis and reputed aviation author Dennis Jenkins. If that is the case, I can upload a non-free thumbnail version under fair use.
Competed against the YF-23 in the Advanced Tactical Fighter (ATF) program. Further developed into the F-22. 1990 Never 2 YF-23: Stealth fighter/ technology demonstrator Northrop/McDonnell Douglas Competed against the YF-22 in the Advanced Tactical Fighter (ATF) program. Unofficially nicknamed Black Widow II. [80] [81] 1990 Never 2 X-62 (NF-16D ...
The YF-23 is a liquid rocket vernier engine, burning N 2 O 4 and UDMH. [5] It is used in along the YF-22 to form the YF-24 and YF-25 propulsion modules. [3] [6] [7 ...