what is it?
The Slingsby T.3 Primary (a.k.a. Dagling) was a single-seat training glider produced in the 1930s by Fred Slingsby in Kirbymoorside, Yorkshire.
base stats
Bars compare against all aircraft: 3,500 km/h, 20,000 km, 850 seats; size and number built on a log scale up to 640 t (An-225) and 45,000 built (Cessna 172).
fun facts
- First flew 96 years ago, in 1930.
- Wingspan of 10.4 m: about 2 cars parked nose to tail.
no engine: No engine: it glides on rising air.
spec sheet
- first flight
- 1930-03-16
- number built
- 67
- role
- primary training glider
- origin
- 🇬🇧 United Kingdom
- makers
- Slingsby Aviation
- engines
- none (glider)
- length
- 5.5 m
- wingspan
- 10.4 m
- max take-off weight
- 173 kg
- top speed
- —
- range
- —
Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.
Sources: Wikidata Q1434150, Wikipedia: Slingsby Primary (CC BY-SA 4.0).Updated 2026-10-24.