Role: Two-seat aerobatic monoplane
National origin: Russia
Manufacturer: Yakolev Aircraft Corporation
First flight: 24 December 1993

The Yakovlev Yak-54 is a 1990s Russian aerobatic and sports competition aircraft designed by the Yakovlev Aircraft Corporation.
Design and development

Part of a new generation of acrobatic aircraft from the Yakovlev design bureau who have a long line of aircraft designs started in 1937 with UT-2/AIR-10. It is a development of the single-seat Yak-55M, designed by Chief Constructor Dmitry Drach and Lead Engineer Vladimir Popov[1] it first flew 23 December 1993.

It was produced by Saratov Aviation Facility in cooperation with JSV "Gorky U-2" up to 2005, when the production moved to the Arsenyev Aviation Company "Progress" facility in Arsenyev.

Specifications (Yak-54)

General characteristics
Crew: 1
Capacity: 1 passenger (not carried for competitions)
Length: 6.91 m (22 ft 8 in)
Wingspan: 8.15 m (26 ft 9 in)
Wing area: 12.890 m2 (138.75 sq ft)
Max takeoff weight: 990 kg (2,183 lb) two-seat (1874 (850kg) for single seat operation)
Powerplant: 1 × AOOT M-14P radial piston engine, 270 kW (360 hp)
Propellers: 3-bladed

Performance
Maximum speed: 450 km/h; 280 mph (243 kn)
Stall speed: 111 km/h; 69 mph (60 kn)
Ferry range: 700 km; 435 mi (378 nmi)
Service ceiling: 4,001 m (13,125 ft)
G limits: +9, -7
Roll rate: 345 degrees a second
Rate of climb: 15.01 m/s (2,955 ft/min)

Coutesy of WIKIpedia