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#2781

Keystone B-6

first flight unknown· light bomber

Keystone B-6, photo 1 of 8
1/8 USAF· Public domain

what is it?

The Keystone B-6 was a biplane bomber developed by the Keystone Aircraft company for the United States Army Air Corps.

How to recognise it: 2 piston engines with propellers · 22.8 m wingspan

base stats

  • speed 190 km/htop speed
  • range 1,330 kmwithout refuelling
  • size 6,056 kgmax take-off weight
  • built 5made 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

  • Wingspan of 22.8 m: about 5 cars parked nose to tail.
  • Range of 1,330 km: 7× Amsterdam to Brussels.

piston: A car-like piston engine turning a propeller: simple and cheap, the classic small plane.

spec sheet

first flight
—
number built
5
role
light bomber
makers
Keystone Aircraft
engines
2× Wright R-1820-1
crew
5
length
14.9 m
wingspan
22.8 m
height
4.8 m
max take-off weight
6,056 kg
top speed
190 km/h
cruise speed
166 km/h
range
1,330 km
ceiling
6,400 m

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

Sources: Wikidata Q2060302, Wikipedia: Keystone B-6 (CC BY-SA 4.0).Updated 2026-10-24.

stan runge ef9524a source