Coates Swalesong

Development and operational history

The Swalesong S.A.II was designed and built by James Ralph Coates. It first flew in 1974. It is a low-wing wooden construction cantilever monoplane with a tricycle undercarriage and is powered by a 90 hp Continental engine.

Only one S.A.II G-AYDV and one simplified S.A.III were built. The Swalesong S.A.II survives in storage at Breighton Airfield, East Yorkshire. The CAA G-INFO website shows that its Certificate of Airworthiness expired on 8 August 2007.

Variants

Swalesong S.A.I

Designation of Luton Minor registration G-AMAW built by Jim Coates in the 1950s, not connected with S.A.II or S.A.III

Swalesong S.A.II

Prototype, one built.

Swalesong S.A.III

Simplified design for amateur construction, one built.

Specifications (SA2)

Data from Jackson, A.J. (1974). British Civil Aircraft since 1919 Volume 2. London: Putnam. p. 382. ISBN 0-370-10010-7. 

General characteristics

Length: 19 ft in ( m)

Wingspan: 26 ft 5 in ( m)

Empty weight: 640 lb ( kg)

Gross weight: 1,150 lb ( kg)

Powerplant: 1 × Continental PC60 Ground Power Unit converted to C90 standard, 90 hp ( kW)

Performance

Cruise speed: 110 mph ( km/h)

Range: 450 miles ( km)