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#0309

Boeing GA-1

first flew 1920· ground attack

Boeing GA-1, photo 1 of 1
1/1 US National Archives· Public domain

what is it?

The Boeing GA-1 (company designation Model 10) was an armored triplane. Designed in 1919, it was powered by a pair of modified Liberty engines driving pusher propellers. The first of the Engineering Division's heavily armored GAX series (ground attack, experimental) aircraft, the ponderous airplane was intended to strafe ground troops while remaining immune to attack from the ground as well as from other enemy aircraft.

How to recognise it: 2 engines · 20 m wingspan

base stats

  • speed 169 km/htop speed
  • range 563 kmwithout refuelling
  • size 4,729 kgmax take-off weight
  • built 10made 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 106 years ago, in 1920.
  • Wingspan of 20 m: about 4 cars parked nose to tail.

spec sheet

first flight
1920-04-03
introduced
1921
retired
1926
status
retired
number built
10
role
ground attack
makers
Boeing
engines
2× Liberty L-12A Pusher
length
10.3 m
wingspan
20 m
height
4.3 m
max take-off weight
4,729 kg
top speed
169 km/h
cruise speed
153 km/h
range
563 km
ceiling
3,505 m

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

Sources: Wikidata Q611847, Wikipedia: Boeing GA-1 (CC BY-SA 4.0).Updated 2026-10-24.

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