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The Yakovlev Yak-18T (Russian: Яковлев Як-18T) is a four- or five-seat fully aerobatic utility aircraft. Introduced to train a major Russian airliner's pilots, it has gained some popularity as a sportplane both inside and outside the former USSR.
General characteristics
Crew: One or Two
Construction: All-metal
Capacity: Max Five Occupants
Length: 8.39 m (27 ft 6 in)
Wingspan: 11.16 m (36 ft 7½ in)
Height: 3.40 m (11 ft 2 in)
Wing area: 18.8 m² (202.36 ft²)
Airfoil: Clark YH
Aspect ratio: 6.62:1
Empty weight: 1,217 kg (2,683 lb)
Max. takeoff weight: 1,650 kg (3,638 lb)
Powerplant: 1 × Vedeneyev M14P 9-Cylinder Air-cooled Radial Engine, 268 kW (360 hp)
weight limit 1,510 kg for aerobatics
Performance
Never exceed speed: 300 km/h (161 knots)
Maximum speed: 262 km/h (141 knots)
Cruise speed: 250 km/h (135 knots, 155 mph)
Stall speed: 114 km/h idle, gear & flaps down (61 knots)
Range: 750 km (400 nmi, 373 mi) Standard 180 liters fuel
Service ceiling: 4,000 m (13,000 ft)
Rate of climb: 5.0 m/s (984 ft/min)