1 photo from Wikimedia Commons · credits & licences
- 1. St. Louis YPT-15 40-0006 - N106SC: Aerial Investigator· CC0
what is it?
The St. Louis YPT-15 is an American two-seat primary training biplane, built by the St. Louis Aircraft Corporation for use by the United States Army Air Corps.
How to recognise it: 1 piston engine with propeller · 10.3 m wingspan
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
- Top speed is 1.6× a car on the Dutch motorway (130 km/h).
- Wingspan of 10.3 m: about 2 cars parked nose to tail.
piston: A car-like piston engine turning a propeller: simple and cheap, the classic small plane.
spec sheet
- first flight
- —
- introduced
- 1940
- number built
- 14
- role
- primary trainer
- origin
- 🇺🇸 United States
- makers
- St. Louis Aircraft Corporation
- engines
- 1× piston
- crew
- 2
- length
- 8.1 m
- wingspan
- 10.3 m
- height
- 2.9 m
- max take-off weight
- 1,255 kg
- top speed
- 209 km/h
- cruise speed
- 187 km/h
- range
- —
- ceiling
- 4,572 m
Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.
Sources: Wikidata Q5301506, Wikipedia: St. Louis YPT-15 (CC BY-SA 4.0).Updated 2026-10-24.