Durable, twin-engined ground-attack turbojet
ORAO is twin-engined, subsonic ground-attack and reconnaissance aircraft. It was developed as a joint Yugoslav-Romanian project in the 1970s for the air forces of both nations.
ORAO aircraft is manufactured using sophisticated technologies. It is an all-metal shoulder wing monoplane with retractable tricycle landing gear, having take-off and landing capability from prepared grass strips.
Shoulder monoplane with 3°30’ anhedral and 43° leading edge sweepback. It is equipped with leading edge manoeuvering flaps, boundary layer fences, slotted trailing edge flaps and ailerons with hydraulic actuators.
Of semi-monocoque structure with two-door type airbrakes and detachable dorsal fairing allowing access to systems and flight controls. Rear part of the fuselage is detachable for engine mounting and removal.
Sweepback on all surfaces. Rudder and stabilator are actuated by hydraulic servos.
Wing span: 9.62m
Length, overall (with pitot tubes): 15.361m
Fuselage length: 14.430 m
Height overall: 4.64 m
Wing aspect ratio: 3.33
Wheel track: 2.50 m
Landing gear base: 5.88 m
Vertical tail: 4.43m2
Empty equipped: 6040 kg
Internal fuel: 2450 kg
Normal take-off mass: 8740 kg
External stores: 2800 kg
Maximum take-of mass: 11520 kg
Specific wing loading: 336 g/m2
Maximum specific thrust: 0.572daN/kg
Max. level speed: 1276 km/h
Min. speed: 274km/h
Max. rate of climb: 86m/s
Take — off distance to 15 m: 820 m
Landing distance of 15m: 1500 m
Landing run: 1050 m
Landing run with deceleration parachute: 670 m