what is it?
The Grumman FF "Fifi" (company designation G-5) is an American biplane fighter aircraft operated by the United States Navy during the 1930s. It was the first carrier aircraft with retractable landing gear. It was produced under license in Canada and known as the Goblin in Canadian service and Delfín (English: "Dolphin") in Spanish service.
How to recognise it: 1 piston engine with propeller · 10.5 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 95 years ago, in 1931.
- Top speed is 2.6× a car on the Dutch motorway (130 km/h).
- Wingspan of 10.5 m: about 2 cars parked nose to tail.
- Range of 1,100 km: 6× Amsterdam to Brussels.
piston: A car-like piston engine turning a propeller: simple and cheap, the classic small plane.
spec sheet
- first flight
- 1931
- introduced
- 1933
- retired
- 1940
- status
- retired
- number built
- 120
- role
- naval fighter
- makers
- Grumman
- engines
- 1× Wright R-1820-78 Cyclone
- length
- 7.5 m
- wingspan
- 10.5 m
- height
- 3.4 m
- max take-off weight
- 2,121 kg
- top speed
- 333 km/h
- range
- 1,100 km
- ceiling
- 6,735 m
Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.
Sources: Wikidata Q769121, Wikipedia: Grumman FF (CC BY-SA 4.0).Updated 2026-10-24.