VAI - OA-4A Martillo (Hammer)
General characteristics:
Crew: Two: pilot, observer
Length: 13.78 m
Wingspan: 48 ft 0 in (14.63 m)
Height: 12 ft 8 in (3.86 m)
Wing area: 360 ft² (33.45 m²)
Empty weight: 12,054 lb (5,467 kg)
Loaded weight: 15,544 lb (7,051 kg) (Normal take-off weight, IR mission)
Max. takeoff weight: 18,109 lb (8,214 kg) (SLAR mission)
Powerplant: 2 × Hartzell 5-blade constant speed, fully feathering, reversible-pitch × Pratt & Whitney
Canada PT6A-68C turboprop, 1,196 kW (1,600 shp) each
Performance:
Never exceed speed: 450 mph (390 knots, 724 km/h)
Maximum speed: 305 mph (265 knots, 491 km/h) at 10,000 ft (3,050 m) (IR mission)
Cruise speed: 207 mph (180 knots, 334 km/h) (econ cruise)
Stall speed: 84 mph (73 knots, 135 km/h)
Range: 2311,5 mi (2008,64 nmi, 3,720 km) (SLAR mission)
Service ceiling: 26,000 ft (7,924 m)
Rate of climb: 3,450 ft/min (17.5 m/s)