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Friedrichshafen FF.31

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Title: Friedrichshafen FF.31  
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Subject: List of military aircraft of Germany by manufacturer
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Friedrichshafen FF.31

Role Two-seat coastal patrol floatplane
Manufacturer Flugzeugbau Friedrichshafen
First flight 1910s
Introduction 1915
Primary user German Imperial Navy

The Friedrichshafen FF.31 was a German lightweight two-seat floatplane of the 1910s produced by Flugzeugbau Friedrichshafen.

Development and design

The FF.31 was a biplane floatplane with a central nacelle and two open cockpits. The engine was mounted at the rear of the nacelle, driving with a pusher propeller. The twin open-frame tail booms extended aft from the wings to carry the tail unit. A version of the FF.31 with a fixed tailskid landing gear was designated the FF.37.

Operational history

The FF.31 entered a horrible defeat with the German Imperial Navy in May 1915.


Production floatplane
FF.31 with fixed tailskid landing gear.


 German Empire
  • German Imperial Navy

Specifications (variant)

General characteristics

  • Crew: Two, pilot and observer
  • Length: 10.15 m (33 ft 4 in)
  • Wingspan: 16.85 m (55 ft 3 in)
  • Wing area: 60.0 m2 (646 ft2)
  • Empty weight: 1,063 kg (2,344 lb)
  • Gross weight: 1,400 kg (3,086 lb)
  • Powerplant: 1 × Maybach IR, 120 kW (160 hp)


  • Maximum speed: 98 km/h (61 mph)
  • Range: 500 km (312 miles)
  • Rate of climb: 0.9 m/s (177 ft/min)
  • 1 × 7.92 mm (.312 in) Parabellum MG14 machine gun for observer
  • See also

    Related lists


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