Yakovlev Yak-52

 

1st Flight 1976

The Yakovlev Yak-52 is a Soviet primary trainer aircraft which first flew in 1976.

It was produced in Romania from 1977 to 1998 by Aerostar, as the Iak-52, which gained manufacturing rights under agreement within the former COMECON socialist trade organisation.

The Yak-52 was designed as an aerobatic trainer for students in the Soviet DOSAAF training organisation, which trained civilian sport pilots and military pilots.

Variants

Yak-52 – Two-seat primary trainer aircraft, powered by a 360-hp (268-kW) Vedeneyev M-14P nine-cylinder radial piston-engine.

Yak-52B – Two-seat light ground-attack aircraft, armed with two UB-32-57 rocket pods, each capable of carrying up to 32 air-to-ground S-5 rockets.

Yak-52M – 2003 modernised version, powered by a Vedeneyev M-14Kh radial piston engine. It is fitted with a three-bladed propeller, new avionics and crew escape system.

Iak-52 – Romanian designation of Yak-52 produced by Aerostar.

Aerostar Condor – Westernised version proposed by Aerostar, powered by Lycoming O-540 engine.

Iak-52W – Westernised version produced by Aerostar, powered by M-14P or M-14Kh engine, but with all western instruments installed.

Iak-52TW – Westernised version produced by Aerostar, powered by M-14P or M-14Kh engine and tail wheel instead of front wheel.

This version has all-western instruments, deeply modernised wing that provide complete retraction of main wheels and, also, enlargement of fuel tanks volume up to 280 l.

Specifications

Crew: 2

Length: 7.745 m (25 ft 5 in)

Wingspan: 9.30 m (30 ft 6 in)

Height: 2.70 m (8 ft 10 in)

Wing area: 15.00 m2 (161.5 sq ft)

Airfoil: Clark YN

Empty weight: 1,015 kg (2,238 lb)

Max takeoff weight: 1,305 kg (2,877 lb)

Fuel capacity: 122 L (32 US gal; 27 imp gal)

Powerplant: 1 × Vedeneyev M-14P nine-cylinder radial engine, 270 kW (360 hp)

Propellers: 2-bladed V-530TA-D35 constant-speed propeller

Performance

Maximum speed: 285 km/h (177 mph, 154 kn) at sea level

Cruise speed: 190 km/h (120 mph, 100 kn) at 1,000 m (3,300 ft) (econ cruise)

Stall speed: 85–90 km/h (53–56 mph, 46–49 kn) flaps down, engine idling

Never exceed speed: 360 km/h (220 mph, 190 kn)

Range: 550 km (340 mi, 300 nmi) at 500 m (1,600 ft)

Service ceiling: 4,000 m (13,000 ft)

g limits: +7/-5

Rate of climb: 5.00 m/s (985 ft/min)

Time to altitude: 15 min to 4,000 m (13,000 ft).

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