Editing Curtiss Falcon (section)

===U.S. Navy and Marine Corps===
[[File:Curtiss OC-2 Falcon.jpg|thumb|Marine Corps Curtiss OC-2 Falcon, c. 1929]]
[[File:Curtiss XF8C-2.jpg|thumb|right|The XF8C-2 prototype]]
[[File:Curtiss XF8C-4.jpg|thumb|right|The XF8C-4 prototype]]
[[File:Curtiss F8C-5 Formation, circa 1930.jpg|thumb|Curtiss F8C-5 Formation, circa 1930]]
[[File:Curtiss XF8C-7.jpg|thumb|right|The XF8C-7]]
;A-3 Helldiver: Registry name of XF8C-8, not adopted by USN.
;A-4 Helldiver: Civil version of XF8C-8 for use by Assistant Secretary of Navy [[David Ingalls]]. Later redesignated XF8C-7.
;XF8C-1: Model 37C variant developed from XO-12; two built for the U.S. Navy.
;F8C-1 Falcon: Model 37C powered by the {{cvt|420|hp}} [[Pratt & Whitney R-1340 Wasp]] radial piston engine; four built in 1928 for the [[United States Marine Corps|U.S. Marine Corps]] as light bombers, fighters and observation aircraft, later redesignated '''OC-1'''.
;XF8C-2: Model 49, one prototype for F8C Helldiver. Original crashed on first factory flight and was replaced by Curtiss with a second bearing identical sn.
;F8C-3 Falcon: Second production batch of Navy Falcons; 21 built for USN/USMC in 1928, later redesignated '''OC-2'''.
;XF8C-4: Second Helldiver prototype, modified tail skid assembly.
;F8C-4 Helldiver: Model 49B, production dive-bomber variant for the USN/USMC; 25 built, later designated '''O2C'''.
;F8C-5 Helldiver: Model 49B with ring cowling; 63 built in 1930–31, later designated O2C-1.
;XF8C-6: Two F8C-5s modified with superchargers, slats, and wing flaps; one later modified as O2C-2.
;XF8C-7: Redesignation of A-4 Helldiver, later redesignated XO2C-2.
;XF8C-8: Two prototypes built with canopy-enclosed front cockpit, later redesignated '''O2C-2'''.
;O2C-1 Helldiver: Redesignation of 63 F8C-5; 30 production O2C-1s in 1931.
;O2C-2 Helldiver: Redesignation of XF8C-8s and one XF8C-6.
;XOC-3: One XF8C-1 prototype fitted with a Chieftain engine.
;XF10C-1:O2C-2 re-engined with a R-1510 engine, also temporary designated '''XS3C-1'''.