Ryan M-1

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M-1 and M-2
Ryan M-1 NX2073 HARM Creve Coeur 2006.jpg
Original Ryan M-1 NC2073 in Pacific Air Transport markings in the Historic Aircraft Restoration Museum, Creve Coeur airport, Missouri.
Role Mailplane
National origin United States
Manufacturer Ryan
Designer Hawley Bowlus, W A Mankey, John Northrop[1]
First flight 14 February 1926
Status two airworthy in 2009
Number built 36

The Ryan M-1 was a mail plane produced in the United States in the 1920s, the first original design built by Ryan.[2] It was a conventional parasol-wing monoplane with two open cockpits in tandem and fixed, tailskid undercarriage.[3]

Design and development[edit]

The follow-on M-2 was substantially the same as the M-1.[2] The prototype M-1 was originally powered by a Hispano-Suiza 8A, but production examples featured a variety of engines in the same general power range, with the Wright J-4B chosen for nine of the sixteen M-1s built,[2] and the prototype later refitted with this engine.[4]

Operational history[edit]

A M-1 was flown in the 1926 Ford National Reliability Air Tour.[5]

Pacific Air Transport operated J-4B-powered M-1s and M-2s on their demanding SeattleSan FranciscoLos Angeles mail route,[6] while Hispano-Suiza-powered machines flew with Colorado Airways between Cheyenne and Pueblo[2] and Yukon Airways between Whitehorse and Dawson City.[6]

One M-2 (named Bluebird) was built with a fully enclosed cabin for the pilot and four passengers, foreshadowing Ryan's highly successful Brougham series.[6] The standard M-2, meanwhile, was Charles Lindbergh's first choice for his transatlantic flight.[7] His list of requirements for the aircraft soon made it apparent, however, that rather than modifying an M-2, it would be more effective to build an all-new design along the same general lines, which resulted in the Ryan NYP Spirit of St Louis.[7]

On Display[edit]

The M-1 prototype was restored to flying condition between 1980 and 1984 and is preserved in the Museum of Flight in Seattle.[3] The seventh aircraft is preserved in airworthy condition in Pacific Air Transport markings at the Historic Aircraft Restoration Museum at Creve Coeur airport, Missouri.[8] A replica of an M-1 using a small amount of parts from serial number 11 was built by Andy King in 2001, powered by a Lycoming R-680 and also painted in Pacific Air Transport #7's scheme.[9] A replica M-1 is exhibited in the San Diego Air & Space Museum.[10]


 United States

Specifications (M-1)[edit]

Data from "Ryan M-1"

General characteristics

  • Crew: One pilot
  • Capacity: 1-2 passengers [1]
  • Length: 24 ft 0 in (7.30 m)
  • Wingspan: 36 ft 0 in (11.00 m)
  • Wing area: 228 ft2 (21 m2)
  • Empty weight: 1,550 lb (705 kg)
  • Gross weight: 2,700 lb (1,230 kg)
  • Powerplant: 1 × Hispano-Suiza 8A, 150 hp (110 kW)


  • Maximum speed: 125 mph (200 km/h)
  • Range: 400 miles (640 km)



  1. ^ a b "Ryan, Ryan-Douglas, Ryan-Flamingo, Ryan-Standard"
  2. ^ a b c d Taylor 1989, p. 774.
  3. ^ a b "Ryan M-1"
  4. ^ Museum of Flight News
  5. ^ Forden, Lesley. The Ford Air Tours: 1925-1931. New Brighton Minnesota: Aviation Foundation of America, 2003, First edition 1972. No ISBN.
  6. ^ a b c Munson 1982, p. 128.
  7. ^ a b Hall 1927, p. 1.
  8. ^ Ogden 2007, p. 331.
  9. ^ "A New Ryan M-1 Mailplane". Skyways. October 2001. 
  10. ^ "Collections"


External links[edit]