de Havilland Hercules

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DH.66 Hercules
De Havilland Hercules.jpg
Imperial Airways de Havilland Hercules
Role Airliner
Manufacturer De Havilland Aircraft Company
First flight 1926
Introduction 1926
Retired 1942
Primary users Imperial Airways
West Australian Airways
South African Air Force
Number built 11

The de Havilland DH.66 Hercules was a 1920s British seven-passenger, three-engined airliner built by De Havilland Aircraft Company at Stag Lane Aerodrome. As a more modern replacement for the D.H.10s used on the RAF's air-mail service, Imperial Airways used the Hercules effectively to provide long-distance service to far-flung regions. Although the giant airliners were slow and cumbersome, they pointed the way for airliners in the future. [1]

Design and development[edit]

The Hercules was designed for Imperial Airways when they took over the Air Mail Route from Cairo to Baghdad from the Royal Air Force. The design was a three-engined biplane with room for seven passengers and the ability to carry mail. The prototype first flew on 30 September 1926, and an order for five aircraft was received from Imperial Airways. The type name Hercules was chosen in a competition in the Meccano Magazine in June 1926.

Operational history[edit]

Imperial Airways DH.66 Hercules

An inaugural flight between Croydon and India left the United Kingdom on 27 December 1926, and arrived in Delhi on the 8 January 1927. West Australian Airways ordered four aircraft to replace the DH.50. On 2 June 1927, the first service on the Perth-Adelaide route was carried out. Imperial Airways ordered two more aircraft but it lost three aircraft in accidents between September 1929 and April 1930. To replace the lost aircraft, two were purchased from West Australian Airways. The Imperial Airways aircraft were withdrawn from service in December 1935 following another crash in Southern Rhodesia in November 1935. Three aircraft were sold to South African Air Force. One of the Australian aircraft survived until 1942 when it was destroyed by enemy action.

Operators[edit]

WestAustralian Airways DH.66 Hercules
 Australia
 South Africa
 United Kingdom

Accidents and incidents[edit]

  • On 6 September 1929 an Imperial Airways DH.66 Hercules, registration G-EBMZ, crashed on landing at Jask, Iran due to pilot error, killing three of five on board.[2]

Specifications (DH.66A)[edit]

General characteristics

Performance

See also[edit]

Related development
Related lists

References[edit]

Notes[edit]

Bibliography[edit]

  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). London: Orbis Publishing, 1985.
  • Jackson, A.J. British Civil Aircraft since 1919, Volume 2. London: Putnam, 1974. ISBN 0-370-10010-7.

External links[edit]