Yakovlev Yak-12

The Yakovlev Yak-12 is a light multirole STOL aircraft used by the Soviet Air Force, Soviet civilian aviation and other countries from 1947 onwards.

Variants

Yak-12

Basic variant built for military and civilian operators.

Yak-12GR

Floatplane version of the Yak-12.

Yak-12S 

Air ambulance version of the Yak-12.

Yak-12SKh 

Agricultural version of the Yak-12.

Yak-12R 

Improved version of the Yak-12 powered by Ivchenko AI-14R engine and the plane construction became all-metal, built from 1952.

Yak-12M 

Main production version with further construction strengthening, a lengthened tailfin and other minor changes, built from 1955.

Yak-12A 

Aerodynamically refined version with a slimmer fuselage, engine cover with smaller diameter and some wing modifications, built from 1957.

Yak-12B 

Experimental biplane version, not produced.

Shenyang type 5 

Yak-12 licence-built in China.

Jak-12M 

Yak-12M licence-built in Poland, 1,054 built.

Jak-12A 

Yak-12A licence-built in Poland, 137 built.

PZL-101 Gawron

Polish development of the licence-built Yak-12M.

Specifications

Crew

One

Capacity

Three passengers

Length

9 m (29 ft 6 in)

Height

3.12 m (10 ft 3 in)

Wing area

23.8 m2 (256 sq ft)

Airfoil

Clark YH

Empty weight

1,026 kg (2,262 lb)

Gross weight

1,450 kg (3,197 lb)

Powerplant

1 × Ivchenko AI-14R 9-cylinder, air-cooled, radial piston engine, 191 kW (256 hp)

Propellers

2-bladed fixed-pitch propeller

Performance

Maximum speed

182 km/h (113 mph, 98 kn) at sea level

Cruise speed

127 km/h (79 mph, 69 kn) economical

Landing speed

82 km/h (51 mph; 44 kn)

Range

765 km (475 mi, 413 nmi)

Service ceiling

4,160 m (13,650 ft)

Rate of climb

4.1 m/s (810 ft/min)

Time to altitude

1,000 m (3,281 ft) in 4 minutes

Take-off run

126 m (413 ft)

Landing run

90 m (295 ft).