- Air Force: USA - Air Force
- Aircraft: Northrop YA-9A
- Registration: 71-1367
- Views: 215
- Location: Atwater (Merced) - Castle (AFB) (MER / KMER) , USA - California October 12, 1993
The Northrop YA-9A was the loser in the A-X Attack Fighter competition 1966-1973, the Fairchild A-10 being the winner. She went on display at Castle in 1984 however in 1996 was loaned to Edwards AFB and is still there today
- Air Force: USA - Air Force
- Aircraft: Northrop YA-9A
- Registration: 71-1368 (cn 02)
- Views: 520
- Location: Riverside - March ARB (AFB / Field) (RIV / KRIV) , USA - California March 22, 2012
- Air Force: USA - Air Force
- Aircraft: Northrop YA-9A
- Registration: 71-1368 (cn 02)
- Views: 732
- Location: Riverside - March ARB (AFB / Field) (RIV / KRIV) , USA - California February 17, 2018
Preserved in March since 1981
- Air Force: USA - Air Force
- Aircraft: Northrop YA-9A
- Registration: 71-1368 (cn 02)
- Views: 938
- Location: Riverside - March ARB (AFB / Field) (RIV / KRIV) , USA - California March 11, 2017
- Air Force: USA - Air Force
- Aircraft: Northrop YA-9A
- Registration: 71-1368 (cn 02)
- Views: 900
- Location: Riverside - March ARB (AFB / Field) (RIV / KRIV) , USA - California August 21, 2016
March Field Air Museum
- Air Force: USA - Air Force
- Aircraft: Northrop YA-9A
- Registration: 71-1368 (cn 02)
- Views: 770
- Location: Riverside - March ARB (AFB / Field) (RIV / KRIV) , USA - California August 21, 2016
March Field Air Museum
- Air Force: USA - Air Force
- Aircraft: Northrop YA-9A
- Registration: 71-1368 (cn 02)
- Views: 746
- Location: Riverside - March ARB (AFB / Field) (RIV / KRIV) , USA - California August 21, 2016
March Field Air Museum
- Air Force: USA - Air Force
- Aircraft: Northrop YA-9A
- Registration: 71-1368
- Views: 1269
- Location: Riverside - March ARB (AFB / Field) (RIV / KRIV) , USA - California October 14, 2012
Preserved in March since 1981
- Air Force: USA - Air Force
- Aircraft: Northrop YA-9A
- Registration: 71-1368 0
- Views: 1929
- Location: Riverside - March ARB (AFB / Field) (RIV / KRIV) , USA - California October 19, 1995
One of only two prototypes developed to compete with the A-10 in the USAF ground attack competition in the early 1970's.