Blackburn H.S.T.10

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Blackburn HST.10
Role 12-passenger commercial Monoplane
National origin United Kingdom
Manufacturer Blackburn Aircraft
Number built 1

The Blackburn H.S.T.10 (sometimes known as the Blackburn B-9) was a 1930s British twin-engined commercial monoplane, designed and built by Blackburn Aircraft at Brough, East Yorkshire.[1]

Design and development[edit]

The H.S.T.10 was a low-wing cantilever monoplane powered by two Napier Rapier VI engines. It had a retractable conventional landing gear with an enclosed cabin for two pilots and twelve passengers. It was fitted with a single-spar all-metal wing, known as the Duncanson wing, that had previously been tested on a Blackburn Segrave. The prototype used test serial B-9. In 1937, the project was abandoned, and B-9 was given to Loughborough College as an instructional airframe.[1]


Data from [2]Flight

General characteristics

  • Crew: 2
  • Capacity: 12
  • Length: 42 ft 0 in (12.8 m)
  • Wingspan: 57 ft 4 in (17.5 m)
  • Height: 12 ft 0 in (3.6 m)
  • Wing area: 442 ft2 (41 m2)
  • Gross weight: 8600 lb (3904 kg)
  • Powerplant: 2 × Napier Rapier VI, 365 hp (272 kW) each


  • Maximum speed: 204 mph (328 km/h)
  • Service ceiling: 23800 ft (7259 m)


  1. ^ a b Jackson 1974, pp. 217-218
  2. ^ "To Cruise at 175 MPH". Flight: 1281. 29 November 1934. 
  • Jackson, A.J. (1973). British Civil Aircraft since 1919 Volume 1. London: Putnam. ISBN 0-370-10006-9.