The Friedrichshafen FF.11 was a flying boat built in Germany in the early 1910s.

Specifications (FF.11)

Data from ^[1]

General characteristics

• Wing area: 53 m² (570 sq ft)
• Empty weight: 1,180 kg (2,601 lb)
• Gross weight: 1,500 kg (3,307 lb)
• Powerplant: 1 × Benz Bz.II 6-cylinder water-cooled in-line piston engine, 89 kW (120 hp)
  

NAG 6-cyl 135hp - FF.21

Performance

• Maximum speed: 90 km/h (56 mph, 49 kn)
• Cruise speed: 80 km/h (50 mph, 43 kn)
• Time to altitude: 500 m (1,600 ft) in 15 minutes