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#0503

Keystone LB-5

🇺🇸 United States ·first flew 1927· light bomber

Keystone LB-5, photo 1 of 4
1/4 Wikimedia Commons· Public domain

what is it?

The Keystone LB-5 (originally ordered under the Huff-Daland name) was a bomber aircraft produced in the United States in the late 1920s. Its manufacturer nicknamed it the Pirate, but this name was not officially adopted by the United States Army Air Corps (USAAC).

How to recognise it: 2 piston engines with propellers · 20.4 m wingspan

base stats

  • speed 171 km/htop speed
  • range 696 kmwithout refuelling
  • size 5,525 kgmax take-off weight
  • built 36made 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 99 years ago, in 1927.
  • Wingspan of 20.4 m: about 5 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
1927
number built
36
role
light bomber
origin
🇺🇸 United States
makers
Huff-Daland Aero Corporation
engines
2× Liberty L-12
length
13.6 m
wingspan
20.4 m
height
5.1 m
max take-off weight
5,525 kg
top speed
171 km/h
range
696 km
ceiling
2,500 m

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

Sources: Wikidata Q3195877, Wikipedia: Keystone LB-5 (CC BY-SA 4.0).Updated 2026-10-24.

stan runge 704880d source