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K-55 Pronto

Keystone Aircraft · United States · Interwar (1919–1938)

K-55 Pronto — Fixed Wing
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The Keystone K-55 Pronto was a mail plane developed in the United States in the late 1920s.

Specifications

Category
Fixed Wing
Domain
Civil
Era
Interwar (1919–1938)
Country
United States
Manufacturer
Keystone Aircraft
Operator
Peruvian Navy
Service Entry
1927
Engine
1× 9-cylinder air-cooled radial piston engine
Thrust / Power
220 hp
Length (ft)
27
Wingspan (ft)
39
Empty Weight (lb)
1975
MTOW (lb)
3285
Range (mi)
500
Max Speed (mph)
112