Model Variants (Including Prototypes)
G-134 - Grumman Program Model Design Designation; 9 evaluation examples produced.
YAO-1 (YOV-1A) - Initial Evaluation Aircraft Designation; later redesignated to YOV-1.
OV-1A (AO-1AF) - Initial Production Model Designation for US Army usage; day/night visual reconnaissance; conventional camera systems.
JOV-1A - Armed OV-1A and OV-1C models; 169 examples produced.
OV-1B (AO-1BF) - Production Model Designation for US Army usage; SLAR (Side-Looking Airborne Radar) suite carried in large under-underfuselage pod; sans optical cameras.
OV-1C (AO-1CF) - Based on the OV-1B but fitted with an AAS-24 infrared surveillance system.
OV-1D - Definitive Mohawk; improved engine performance; side-loading cargo door; IR, SLAR and optical sensors; B and C models converted to this standard; 37 new-build units with 82 conversions.
RV-1C "Quick Look" ELINT - Dedicated Electronic Surveillance Platform; 2 conversions.
RV-1D "Quick Look II" ELINT - Dedicated Electronic Surveillance Platform; 31 converions.
EV-1D "Quick Look III" ELINT
OV-1E - Proposed Modernized Mohawk Prototype; never produced; single example.
OF-1 - Reserved USMC Designation (USMC pulled out of the OV-1 program).