Grumman OV-1 Mohawk


1st Flight 1959

Crew: 2

Length: 41 ft 0 in (12.50 m)

Wingspan: 48 ft 0 in (14.63 m)

Height: 12 ft 8 in (3.86 m)

Wing area: 360 sq ft (33 m2)

Aspect ratio: 5.35:1

Airfoil: NACA 2412

Empty weight: 12,054 lb (5,468 kg)

Gross weight: 15,544 lb (7,051 kg) (Normal take-off weight, IR mission)

Max takeoff weight: 18,109 lb (8,214 kg) (SLAR mission)

Fuel capacity: 276 US gal (230 imp gal; 1,040 L) internal fuel

Powerplant: 2 × Lycoming T53-L-701 turboprops, 1,400 shp (1,000 kW) each

Propellers: 3-bladed Hamilton Standard Type 53C51-27 constant-speed propellers, 10 ft 0 in (3.05 m) diameter


Maximum speed: 305 mph (491 km/h, 265 kn) (IR mission)

Cruise speed: 207 mph (333 km/h, 180 kn) (econ. cruise)

Stall speed: 84 mph (135 km/h, 73 kn)

Never exceed speed: 450 mph (720 km/h, 390 kn)

Range: 944 mi (1,519 km, 820 nmi) with external tanks (SLAR mission)

Endurance: 4.35 hr (SLAR mission)

Service ceiling: 25,000 ft (7,600 m)

Rate of climb: 3,466 ft/min (17.61 m/s) (SLAR mission)

Take-off to 50 ft (15 m): 1,175 ft (358 m)

Landing run from 50 ft (15 m): 1,060 ft (320 m)


The Grumman OV-1 Mohawk is an armed military observation and attack aircraft that was designed for battlefield surveillance and light strike capabilities.

It has a twin turboprop configuration, and carries two crew members in side-by-side seating.

The Mohawk was intended to operate from short, unimproved runways in support of United States Army maneuver forces.

YAO-1 (YOV-1A)

Initial prototypes (9 built).

OV-1A (AO-1AF)

Daylight observation variant (64 built).

OV-1A – Pittsburgh Institute of Aeronautics

Fitted with two additional Westinghouse J34 jet engines.

A non-flying, mixed-power, testbed, operated by the Pittsburgh Institute of Aeronautics (1 conversion).

OV-1B (AO-1BF)

SLAR variant (101 built).

OV-1C (AO-1CF)

IR reconnaissance variant (169 built).


Consolidated sensor variant (37 new, 82 conversions).


OV-1As and OV-1Cs fitted with armament (59 conversions).


Quick Look ELINT machines (two conversions).


Quick Look II ELINT machine (31 conversions).


Quick Look III ELINT machine (16 conversions).


Prototype for unproduced modernized variant (1 built).



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