ZMC-2 All-Metal Airship

Type: Hydrogen-filled Rigid Airship
Role: Passenger Airship
Top speed: 70 mph / 112 kph
Range: 675 mph / 1,087 km
Volume: 200,100 ft3 / 5,667 m3
Length: 148' 11" / 45.4 m
Diameter: 53' 2" / 16.2 m
Engine Type: 2 220 hp Wright J-5 Whirlwind 9-cylinder Air-cooled Radial Piston Engines
Crew: 2
Designer(s): Ralph Hazlett Upson
Manufacturer: Detroit Aircraft Corporation
Number Manufactured: 1
Country of Origin: United States
First Flight: August 19, 1929
Retired 1941