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#0405

Dewoitine D.9

first flew 1924· monoplane fighter

Dewoitine D.9, photo 1 of 1
1/1 L'Aéronautique magazine· Public domain

what is it?

The Dewoitine D.9 was a French monoplane fighter built by Dewoitine and built under licence in Italy as the Ansaldo AC.3.

How to recognise it: 1 piston engine with propeller · 12.8 m wingspan

base stats

  • speed 245 km/htop speed
  • range 400 kmwithout refuelling
  • size 1,333 kgmax take-off weight
  • built 150made in total

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 102 years ago, in 1924.
  • Top speed is 1.9× a car on the Dutch motorway (130 km/h).
  • Wingspan of 12.8 m: about 3 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
1924-06
number built
150
role
monoplane fighter
makers
Ansaldo, Dewoitine
engines
1× Gnome-Rhône 9Ab Jupiter
length
7.3 m
wingspan
12.8 m
height
3 m
max take-off weight
1,333 kg
top speed
245 km/h
range
400 km
ceiling
8,500 m

Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.

Sources: Wikidata Q3205629, Wikipedia: Dewoitine D.9 (CC BY-SA 4.0).Updated 2026-10-24.

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