|First flight||30 May 1972|
The Northrop YA-9 was a prototype attack aircraft developed for the United States Air Force A-X program. The YA-9 was passed over in preference for the Fairchild Republic YA-10 that entered production as the A-10 Thunderbolt II.
Source: Northrop YA-9 on Wikipedia
|Northrop YA-9A Walk Around|
|Photographer||Vladimir Yakubov, John Heck|
|Localisation||March Field Air Museum|