R33 Class Airship

Type: Hydrogen-filled Rigid Airship
Role: Patrol Airship
Top speed: 62 mph / 99 kph
Volume: 1,950,000 ft3 / 55,000 m3
Length: 643' / 196 m
Diameter: 79' / 24 m
Engine Type: 5 275 hp Sunbeam Maori Engines
Crew: 26
Manufacturer: Armstrong Whitworth
Number Manufactured: 2
Country of Origin: England
First Flight: March 6, 1919
Retired 1928