The Friedrichshafen FF.21 was a German multirole flying boat of the 1910s produced by Flugzeugbau Friedrichshafen.

Specifications

Data from ^[1]

General characteristics

• Crew: 2
• Length: 11.5 m (37 ft 9 in)
• Wingspan: 16.9 m (55 ft 5 in)
• Height: 2.9 m (9 ft 6 in)
• Powerplant: 1 × Benz Bz.III 6-cylinder water-cooled in-line piston engine, 110 kW (150 hp)
• Propellers: 2-bladed fixed-pitch wooden propeller

Performance