Heinkel HE 18

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HE 18
Role Sports plane
National origin Germany
Manufacturer Heinkel
First flight 1925

The Heinkel HE 18 was a sports aircraft built in Germany in the mid 1920s. It was a two-seat conventional low-wing monoplane. A development of the HE 3, it had a narrower fuselage than the HE3, having tandem seating instead of side-by-side. Also, its wings were braced by a pair of struts on each side, arranged in a V-shape with a single attachment point on each side of the upper fuselage, where the HE 3 had cantilever wings. The wings could be folded flat along the sides of the fuselage for transport or storage, and a choice of wheeled or float undercarriage was available. A roll-bar was available that could be fitted in order to protect the occupants in case of a roll-over on the ground.

Specifications (HE 18)[edit]

General characteristics

  • Crew: One pilot
  • Capacity: 1 passenger
  • Length: 7.20 m (23 ft 7 in)
  • Wingspan: 11.10 m (36 ft 5 in)
  • Wing area: 17.5 m2 (188 ft2)
  • Empty weight: 380 kg (836 lb)
  • Gross weight: 600 kg (1,320 lb)
  • Powerplant: 1 × Siemens, 57 kW (75 hp)


  • Maximum speed: 150 km/h (94 mph)
  • Rate of climb: 2.8 m/s (550 ft/min)