Slingsby T.3 Primary

Slingsby Aviation · United Kingdom · first flew 1930 · glider

The Slingsby T.3 Primary was a British single-seat primary training glider of the 1930s, based on German primary glider designs of the era. It provided the most basic introduction to soaring flight, with the pilot fully exposed in an open framework fuselage.

Recognition (WEFT)

W — Wings	High-mounted, straight
E — Engines	1 × none, embedded-mounted
F — Fuselage	Open fuselage frame with pilot exposed to airstream
T — Tail	Conventional

WEFT is AircraftIQ's four-point recognition method — how it works.

Spot it by:

Unpowered sailplane — no engine
British primary glider of the 1930s
Open fuselage frame with pilot exposed to airstream

Open-framework fuselage with no enclosure, high straight wing, and no engine — the skeleton-like appearance immediately identifies the primary glider type.

Specifications

The Slingsby T.3 Primary has a length of 5.45 m (18 ft).
It has a wingspan of 10.35 m (34 ft).
Typical crew: 1.

Figures are for the representative variant described above; marks differ. See how AircraftIQ sources figures.

History

Fred Slingsby built the T.3 as one of his earliest glider types, drawing on the proven German Zogling primary glider formula. It was used extensively by British gliding clubs during the 1930s and remained in use into the wartime period as a basic soaring trainer.

Variants

Small variations in construction existed between examples but no formally designated sub-variants.

Where you'll see it

British gliding clubs from the early 1930s; used by the Air Training Corps during World War II.

Related aircraft

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