Heinkel HD 55

what is it?

The Heinkel HD 55 was a biplane flying boat produced in Germany in the early 1930s for use as a reconnaissance aircraft aboard Soviet warships.

🔎How to recognise it: 1 engine · 14 m wingspan

base stats

• speed 194 km/htop speed
• range 800 kmwithout refuelling
• size 2,270 kgmax take-off weight
• built 40made 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 96 years ago, in 1930.
• 🚗Wingspan of 14 m: about 3 cars parked nose to tail.

spec sheet

first flight

1930-01-30

introduced

1930

retired

1938

status

retired

number built

40

role

reconnaissance flying boat

origin

🇩🇪 Germany

makers

Heinkel

engines

1× Siemens-Halske Sh 20

length

10.4 m

wingspan

14 m

height

4.3 m

max take-off weight

2,270 kg

top speed

194 km/h

range

800 km

ceiling

4,800 m

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