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From Wikipedia, the free encyclopedia

Loire 250
Loire 250 photo L'Aerophile December 1936.jpg
Role Single-seat fighter monoplane
National origin France
Manufacturer Loire
First flight 27 September 1935
Number built 1

The Loire 250 was a French single-seat fighter monoplane designed and built by Loire Aviation of St. Nazaire.[1]

Design and development

The Loire 250 was built to meet a requirement for a single-seat fighter prototype to undergo a fly-off competition with the Dewoitine D.513 and Morane-Saulnier MS.405.[1] The Loire 250 was an all-metal low-wing monoplane powered by a 1,000 hp (746 kW) Hispano-Suiza 14Ha-7a radial engine with a single enclosed cockpit and retractable conventional landing gear with a tailwheel.[1] Only one prototype was produced; it first flew 27 September 1935. It was modified to improve performance before the fly-off but failed to gain a production order.[1] The prototype was unarmed but it was intended to fit two 20 mm cannon and two 7.5 mm machine-guns if the type entered production.[1]


Data from Aviafrance:Loire 250[2]

General characteristics

  • Crew: 1
  • Length: 7.81 m (25 ft 7 in)
  • Wingspan: 10.8 m (35 ft 5 in)
  • Height: 3.72 m (12 ft 2 in)
  • Wing area: 16.3 m2 (175 sq ft)
  • Empty weight: 1,500 kg (3,307 lb)
  • Gross weight: 2,200 kg (4,850 lb)
  • Powerplant: 1 × Hispano-Suiza 14Ha 14-cylinder two-row air-cooled radial piston engine, 750 kW (1,000 hp)
  • Propellers: 2-bladed wooden fixed-pitch propeller


  • Maximum speed: 480 km/h (300 mph, 260 kn) at 4,500 m (14,800 ft)
  • Range: 875 km (544 mi, 472 nmi)
  • Time to altitude: 4,500 m (14,800 ft) in 5 minutes 30 seconds


  • Guns: not fitted to prototype
two 20 mm (0.787 in) cannon and two 7.5 mm (0.295 in) machine-guns proposed for production aircraft.


  1. ^ a b c d e Orbis 1985, p. 2379
  2. ^ Parmentier, Bruno (4 January 1997). "Loire 250". Aviafrance (in French). Paris. Retrieved 29 November 2018.

This page was last edited on 8 December 2020, at 19:34
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