2 photos from Wikimedia Commons · credits & licences
- 1. Sopwith 5.F.1 Dolphin dwg: British Government· Public domain
- 2. Sopwith 5F.1 Dolphin C3988 (8575063201): Alan Wilson· CC BY-SA 2.0
what is it?
The Sopwith 5F.1 Dolphin was a British fighter aircraft manufactured by the Sopwith Aviation Company. It was used by the Royal Flying Corps and its successor, the Royal Air Force, during the First World War. The Dolphin entered service on the Western Front in early 1918 and proved to be a formidable fighter.
How to recognise it: 1 piston engine with propeller · 9.9 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 109 years ago, in 1917.
- Wingspan of 9.9 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
- 1917-05-23
- introduced
- 1918
- number built
- 1,778
- role
- fighter
- makers
- Sopwith Aviation Company
- engines
- 1× Hispano-Suiza 8B
- crew
- 1
- length
- 6.8 m
- wingspan
- 9.9 m
- height
- 2.6 m
- max take-off weight
- 903 kg
- top speed
- 194 km/h
- range
- —
- ceiling
- 6,401 m
Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.
Sources: Wikidata Q1970563, Wikipedia: Sopwith Dolphin (CC BY-SA 4.0).Updated 2026-10-24.