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#0197

Junkers CL.I

🇩🇪 Germany ·first flew 1917· ground-attack aircraft

Junkers CL.I, photo 1 of 1
1/1 SDASM· Public domain

what is it?

The Junkers CL.I was a ground-attack aircraft developed in Germany during World War I. Its construction was undertaken by Junkers under the designation J 8 as proof of Hugo Junkers' belief in the monoplane, after his firm had been required by the Idflieg to submit a biplane (the J 4) as its entry in a competition to select a ground-attack aircraft.

How to recognise it: 1 engine · 12 m wingspan

base stats

  • speed 161 km/htop speed
  • size 1,050 kgmax take-off weight
  • built 51made 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 109 years ago, in 1917.
  • Wingspan of 12 m: about 3 cars parked nose to tail.

spec sheet

first flight
1917
number built
51
role
ground-attack aircraft
origin
🇩🇪 Germany
makers
Junkers
engines
1× Mercedes D.IIIa
length
7.9 m
wingspan
12 m
height
2.7 m
max take-off weight
1,050 kg
top speed
161 km/h
range
—
ceiling
6,000 m

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

Sources: Wikidata Q446993, Wikipedia: Junkers CL.I (CC BY-SA 4.0).Updated 2026-10-24.

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