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Ryan Airlines NYP Spirit of St. Louis Military
Hughes Aircraft H-4 Hercules "Spruce Goose" Military
Quick facts
ManufacturerRyan AirlinesHughes Aircraft
TypeExperimental & historic pioneersExperimental & historic pioneers
Origin🇺🇸 United States🇺🇸 United States
First flight19271947
StatusRetiredRetired
Units built11
Unit cost——
Dimensions
Length8.43 m66.65 m
Wingspan14.02 m97.54 m
Height2.99 m24.18 m
Wing area29.6 m²1,061.9 m²
Weights & fuel
Empty weight975 kg113,400 kg
Max. take-off weight2,330 kg181,437 kg
Performance
Max. speed214 km/h351 km/h
Cruise speed—282 km/h
Range6,600 km4,800 km
Service ceiling5,000 m6,370 m
Crew & capacity
Crew13
Seats (max.)—750
Powerplant
Engines18
Engine type——
Engine modelWright J-5C Whirlwind (radial)Pratt & Whitney R-4360-4A Wasp Major
Power (each)165 kW2,238 kW

At a glance

Max. speed

Ryan Airlines NYP Spirit of St. Louis
214 km/h
Hughes Aircraft H-4 Hercules "Spruce Goose"
351 km/h

Range

Ryan Airlines NYP Spirit of St. Louis
6,600 km
Hughes Aircraft H-4 Hercules "Spruce Goose"
4,800 km

Max. take-off weight

Ryan Airlines NYP Spirit of St. Louis
2,330 kg
Hughes Aircraft H-4 Hercules "Spruce Goose"
181,437 kg

Wingspan

Ryan Airlines NYP Spirit of St. Louis
14 m
Hughes Aircraft H-4 Hercules "Spruce Goose"
98 m

Length

Ryan Airlines NYP Spirit of St. Louis
8 m
Hughes Aircraft H-4 Hercules "Spruce Goose"
67 m

Service ceiling

Ryan Airlines NYP Spirit of St. Louis
5,000 m
Hughes Aircraft H-4 Hercules "Spruce Goose"
6,370 m

Units built

Ryan Airlines NYP Spirit of St. Louis
1
Hughes Aircraft H-4 Hercules "Spruce Goose"
1

Figures are compiled from public sources and may be approximate; they can vary by variant and configuration.