what is it?
The Donnet-Denhaut flying boat was a maritime patrol and anti-submarine warfare aircraft produced in France during the First World War. Known at the time simply as "Donnet-Denhaut" or "DD" flying boats, the DD-2, DD-8, DD-9, and DD-10 designations were applied retrospectively to denote the various changes in configuration made during their service life.
How to recognise it: 1 engine · 16.8 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
- First flew 111 years ago, in 1915.
- Wingspan of 16.8 m: about 4 cars parked nose to tail.
spec sheet
- first flight
- 1915
- number built
- 1,085
- role
- patrol flying boat
- makers
- Donnet
- engines
- 1× Hispano-Suiza 8b
- length
- 10.8 m
- wingspan
- 16.8 m
- height
- 3 m
- max take-off weight
- 1,800 kg
- top speed
- 130 km/h
- range
- 520 km
Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.
Sources: Wikidata Q5296620, Wikipedia: Donnet-Denhaut flying boat (CC BY-SA 4.0).Updated 2026-10-24.