Avro 626 Prefect


1st Flight 1930

Crew: 2

Length: 26 ft 6 in (8.08 m)

Wingspan: 34 ft 0 in (10.36 m)

Height: 9 ft 7 in (2.92 m)

Wing area: 300 sq ft (28 m2)

Empty weight: 1,765 lb (801 kg)

Gross weight: 2,750 lb (1,247 kg)

Powerplant: 1 × Armstrong Siddeley Lynx IVC 7-cylinder air-cooled radial piston engine, 210 hp (160 kW)

Propellers: 2-bladed fixed-pitch propeller


Maximum speed: 112 mph (180 km/h, 97 kn)

Cruise speed: 95 mph (153 km/h, 83 kn)

Range: 240 mi (390 km, 210 nmi)

Service ceiling: 14,800 ft (4,500 m)

Rate of climb: 880 ft/min (4.5 m/s)


The Avro 626 is a single-engined British biplane trainer aircraft produced by Avro during the (1918-1939) inter-war period.

Avro 626: Two seat multi-purpose aircraft

Avro Prefect – RAF and RNZAF name for the 626; in the period most RAF aircraft received names.

All RNZAF Prefects had three cockpits.

All the RAF machines were two-seat navigational training aircraft without the third cockpit installed

Avro 637 – Armed patrol version of the Avro 626.

Pilot had a .303 in (7.7 mm) Vickers machine gun mounted on the fuselage while the observer/gunner was armed with a .303 in (7.7 mm) Lewis Gun on an Avro low-drag mounting.

This variant featured a slightly larger wingspan with rounded wingtips.

Eight aircraft were sold to the Kwangsi Air Force (Government of South China) in China.

Tatra T.126 – Licence built 626, manufactured in Czechoslovakia; two versions proposed: one with 355 hp (265 kW) Avia Rk. 17 and export version for Turkey and the Balkans with a 260 hp (190 kW).

Armstrong Siddeley Cheetah V – Only one built, possibly never flown because of the Munich crisis – factory was in the territory occupied by Germany.

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