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Imperial Gift

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Left rear quarter view of restored dark brown Avro 504 biplane in Royal Air Force markings, on grass with trees on the horizon, and a partly cloudy sky.
Avro 504 trainers made up some of the Imperial Gift

The Imperial Gift was the donation of aircraft from British surplus stocks after the First World War to the Dominions: Canada, Australia, New Zealand, South Africa and the Empire of India. On 29 May 1919, the British Cabinet agreed to give 100 aircraft to each of these countries plus replacements for aircraft donated by these countries to Britain during the war. These aircraft formed the core of newly established air forces in several of the countries.

In Canada the 100 Imperial Gift aircraft supplemented by another 20 and other related spares, supplies and equipment were used to establish the Canadian Air Force from 1920 and the later Royal Canadian Air Force from 1924. Australia's 100 aircraft, supplemented by an additional 28 and related supplies and other equipment, were used to establish the Royal Australian Air Force in 1921. New Zealand initially refused the Imperial Gift but later accepted a reduced allotment of 34 aircraft. Most were loaned to private aviation companies, but were returned to the government in the mid-1920s to constitute the New Zealand Permanent Air Force. South Africa's 100 Imperial Gift aircraft and related items, supplemented by another 13, led to the establishment of the South African Air Force in 1920. The colonial government of India accepted 100 aircraft but did not use them to establish their own air force. Twenty were allocated to the Royal Air Force (RAF) in India, while 80 were used by various civil government departments or sold to commercial and private operators.


Following the First World War, the Royal Air Force had an estimated 20,000 surplus aircraft or more, many still in production at the end of the war.[1] Sir Hugh Trenchard, Chief of the Air Staff, argued for the establishment of air forces in the Dominions. He further argued that a coordinated uniform approach to organising and equipping these air forces was essential to facilitate the air component of the defence of the empire.[2] This proposal was taken up by the Secretary of State for Air, John Edward Bernard Seely, who described it as being "an opportunity of giving assistance to Dominions which will be valued by them and which should be of great use in the general interest of the defence of the Empire by Air."[3] The British Cabinet approved the proposal on 29 May 1919, though it chose to widen it by offering aircraft to the colonial governments as well as those of the Dominions. These governments were notified of the offer on 4 June.[4]


Felixstowe F.3, c.1920 that served in the Royal Canadian Air Force, originally part of the Imperial Gift.

While 22,812 Canadian military personnel had served in the Royal Flying Corps (RFC), Royal Naval Air Service (RNAS) and RAF, Canadian air services were not created and did not operate as an independent military force until nearly the end of the war.[5] With 1 Squadron and 2 Squadron of the Canadian Air Force established at Upper Heyford in Britain during August 1918 and the Royal Canadian Naval Air Service, established for home defence in September 1918, Canadian units had only reached operational status by the end of hostilities and never saw combat.[6][7]

In 1919, when the Canadian Air Board Director of Flying Operations, Lieutenant Colonel Robert Leckie studied the types that were being offered, he specified aircraft that would be suitable for civil operations as the peacetime force would undertake a number of roles that involved surveillance, fire-fighting and mapping.[1] Although combat aircraft were offered from the large stock of surplus aircraft, Canada's share of the Imperial Gift mainly consisted of the following 114 "multi-purpose" aircraft, although a small number of fighters were also included:[8]

The final deliveries included six non-rigid airships, several kite balloons and additional aircraft, including two Royal Aircraft Factory B.E.2C, and single examples of Royal Aircraft Factory F.E.2D and Vickers F.B.9, along with some replacement airframes, bringing the total to 120 aircraft.[10] In addition to the aircraft, numerous spares were sent, including engines and ancillary equipment such as cameras and seaplane beaching gear, along with 300 support vehicles consisting of motor transports, trailers and motorcycles.[1] The value of the Imperial Gift was about $5 million, more money than the Canadian government spent on aviation from 1919 to 1923.[8]

The Imperial Gift aircraft formed the basis of the postwar Canadian Air Force (CAF), later the Royal Canadian Air Force.[11] In 1920, the Canadian Air Board sponsored a project to conduct the first Trans-Canada flight to determine the feasibility of such flights for air mail and passenger services. Rivière du Loup to Winnipeg was flown by Leckie and Major Basil Hobbs in a Felixstowe F.3 and the remainder of the relay was completed using several of the CAF's DH-9As. All aircraft were part of the Imperial Gift.[11] Although not considered suitable for the harsh Canadian weather, the Imperial Gift aircraft soldiered on into the 1930s; the last aircraft in service, an Avro 504K, was retired in 1934.[5]


A RAAF S.E.5a fighter, part of the Imperial Gift

The Imperial Gift to Australia originally consisted of 100 aircraft, spare engines, tools, motor transport and 13 transportable hangars shipped in over 19,000 packing cases.[12][13] An additional 28 aircraft were provided at the same time to replace aircraft donated by the people of Australia to Great Britain during the First World War. Australia's aircraft allotment consisted of:[14]

  • 35 × Avro 504K trainers
  • 35 × Royal Aircraft Factory S.E.5a fighters
  • 30 × Airco/de Haviland DH-9a bombers[15][16]
  • 28 × Airco/de Haviland DH-9 bombers[16]

On 30 June 1919, the Australian Army Service Corps recommended the creation of a temporary Australian Air Corps (AAC) formed into two wings (one wing to meet the needs of the Navy and the other for the Army). The Imperial Gift enabled the formation of the Royal Australian Air Force on 31 March 1921.[17] An Air Board, answering to the Minister for Defence, would administer the new service.[18]

Imperial Gift aircraft were shipped to Australia in 1919, assembled upon delivery in 1920 and served for up to 10 years. The Airco/de Haviland DH-9a (A1-17/F2779) was the longest serving Imperial Gift aircraft, being written off on 4 February 1930.[15] The only original surviving Imperial Gift aircraft in Australia are an Avro 504K (A3-4/H2174), stored at the Treloar Technology Centre (Canberra) and an S.E.5a (A2-4/C1916), in the collection of the Australian War Memorial, exhibited in the ANZAC Hall of the main Australian War Memorial displays.[19]

New Zealand[edit]

At first New Zealand refused the offer, but later accepted 34 aircraft and 42 aero engines:[20]

  • 21 × Avro 504K trainers
  • 9 × Airco/de Haviland DH-9 bombers
  • 2 × Bristol F.2b Fighter two seat fighters
  • 2 × Airco/de Haviland DH-4 bombers

The F.2bs, DH-4s and one Avro 504K were retained for government use, and the balance were issued on loan as transports and training aircraft to civil aviation companies between 1920 and 1924.[21] By the mid-1920s, all of the private firms involved had collapsed, and surviving aircraft were taken back by the government to constitute the New Zealand Permanent Air Force.[22][23]

All Imperial Gift aircraft in military service were either wrecked, scrapped or burnt and nothing has survived.[22]

South Africa[edit]

South Africa was the second country after Britain to establish an air force independent from army or naval control on 1 February 1920. The South African Air Force's (SAAF) share of the Imperial Gift was:[20]

  • 48 × Airco/de Haviland DH-9 bombers
  • 30 × Avro 504 trainers
  • 22 × Royal Aircraft Factory SE.5a fighters
  • 10 × Airco/de Haviland DH-4 bombers

The 10 DH-4s were war loss replacements sponsored by the Over-Seas Club of London.[24] An additional DH-9 was donated by the city of Birmingham. The SAAF's initial fleet was completed by two Royal Aircraft Factory B.E.2s left over from Allister Miller's wartime recruitment campaign and handed over to the Union Defence Force in October 1919.[24] According to author Dave Becker, there is no record of the B.E.2s ever being used after 1919.[25]

The ancillary equipment and materials from the donation included 20 steel hangars, 30 portable wood and canvas Bessonneau hangars, radio and photographic equipment, complete engine and airframe workshops with tools, trucks, tenders, trailers, 50,000 gallons of engine oils and 20,000 gallons of paints, varnishes and dope. The total value of the donation was estimated at £2,000,000.[26][27]

An offer of four Type Zero airships was turned down due to doubts about their usability above 6,000 feet and the expense of replacing the envelopes, which were estimated to have a useful life of only three months in the harsh South African sunshine.[26]

The first batch of aircraft arrived in South Africa in September 1919 at the Artillery Depot at Roberts Heights, Pretoria where an Air Depot was established on 1 January 1920. The combined facility was then known as the Aircraft and Artillery Depot.[28]

Two Avro 504s were sold for £1,563-11s-8d to the South African Aerial Transport Company in 1920.[29]

A 23.5 morgen (20.1 hectare) piece of land two miles east of Roberts Heights was acquired for an aerodrome and named Zwartkop after a nearby hill.[30] No. 1 Flight was formed at Zwartkop Air Force Station on 26 April 1920, equipped with DH-9s. After the formation of a second flight, 1 Squadron was established in early 1922.[29]

The SAAF Museum's Pretoria branch is housed in six of the original steel hangars.[31]


India's share of the Imperial Gift was:[20]

  • 60 × Airco/de Haviland DH-9 bombers
  • 40 × Avro 504 trainers

Unlike other recipients, India did not use the gift to establish a national air force. The RAF in India received 20 Avro 504 airframes for military use. The rest went to various colonial government departments and entities, or were sold to commercial and private operators.[32]

The remains of three DH-9s were discovered in 1995 in disused elephant stables at the palace of the Maharajah of Bikaner. Taken to the Imperial War Museum (IWM) in the UK, parts of all three were used to restore one of the aircraft, with the addition of an engine the IWM had in storage.[33][34] It is on display at the IWM's Duxford facility.[35]


  1. ^ a b c Milberry 2010, p. 15.
  2. ^ Spencer 2009, pp. 18–21.
  3. ^ Spencer 2009, p. 33.
  4. ^ Spencer 2009, pp. 33–34.
  5. ^ a b Halliday, Hugh A. (1 September 2004). "The Imperial Gift: Air Force, Part 5". Legion Magazine. Retrieved 14 January 2016.
  6. ^ Wise, 1981, p. 610
  7. ^ Milberry 2010, pp. 11, 14.
  8. ^ a b Wise, 1981, p. 614
  9. ^ Taylor 1974, pp. 89–90.
  10. ^ "Golden Years of Aviation – Imperial Gifts". Retrieved 28 June 2015.
  11. ^ a b Milberry 1979, p. 187.
  12. ^ "The Australian Air Corps « Military History & Heritage Victoria". Retrieved 28 June 2015.
  13. ^ "The Imperial Gift – John Bennett". Retrieved 28 June 2015.
  14. ^ Connor 2011, p. 124.
  15. ^ a b "D.H.9a". Retrieved 28 June 2015.
  16. ^ a b Wilson, Stewart (1994). Military Aircraft of Australia. Weston Creek, Australia: Aerospace Publications. p. 216. ISBN 1875671080.
  17. ^ Dennis et al. 2008, p. 59.
  18. ^ Stephens 2006, p. 31.
  19. ^ "RAAF Museum: Tech Hangar: SE 5A". Retrieved 28 June 2015.
  20. ^ a b c "Golden Years of Aviation – Imperial Gifts". Retrieved 25 June 2015.
  21. ^ Rendel 1975, p. 19.
  22. ^ a b "NZDF-Serials Avro 504". Retrieved 28 June 2015.
  23. ^ "NZDF-Serials DH.9". Retrieved 28 June 2015.
  24. ^ a b Steenkamp and Potgieter 1980, p. 18.
  25. ^ Becker 1996, p. 7.
  26. ^ a b Maxwell and Smith 1970, p. 21.
  27. ^ Illsley 2003, p. 100.
  28. ^ Becker 1995, p. 19.
  29. ^ a b Becker 1995, pp. 20–21.
  30. ^ Maxwell and Smith 1970, p. 23.
  31. ^ Szabo, Chris (9 October 2013). "SAAF Museum celebrates 40 years of flying heritage". defenceWeb. Retrieved 28 June 2015.
  32. ^ "Golden Years of Aviation – Imperial Gift-India". 31 December 1922. Retrieved 28 June 2015.
  33. ^ "In Pictures | 'Elephant stable' bomber". BBC News. 21 April 2007. Retrieved 28 June 2015.
  34. ^ Condron, Stephanie (19 April 2007). "Backpacker finds rare WWI bomber". Telegraph. Retrieved 28 June 2015.
  35. ^ "Airco de Havilland DH-9 (2010.75.9)". Imperial War Museum. Retrieved 28 June 2015.


  • Becker, Dave (1995). 75 Years on Wings of Eagles (Second ed.). Durban, South Africa: Colorgraphic. ISBN 0-947478-47-7.
  • Becker, Dave (1996). The Eagles of Swartkop: South Africa's First Military Airbase. Nelspruit, South Africa: Freeworld Publications. ISBN 0-9583880-3-2.
  • Connor, John (2011). Anzac and Empire: George Foster Pearce and the Foundations of Australian Defence. Port Melbourne, Australia: Cambridge University Press. ISBN 978-1-107-00950-9.
  • Dennis, Peter; et al. (2008). The Oxford Companion to Australian Military History (Second ed.). Melbourne: Oxford University Press, Australia & New Zealand. ISBN 978-0-19-551784-2.
  • Illsley, John William (2003). In Southern Skies: A Pictorial History of Early Aviation in Southern Africa 1816–1940. Johannesburg, South Africa: Johnathan Ball. ISBN 978-1-86842-168-8.
  • Maxwell, Kenneth A.; Smith, John M. (1970). South African Air Force Golden Jubilee Souvenir Book, Per Aspera ad Astra, 1920–1970; S. A. Lugmag-goue jubileumgedenkboek, 1920–1970 (in English and Afrikaans). Pretoria, South Africa: South African Air Force. OCLC 88082819.
  • Milberry, Larry (1979). Aviation in Canada. Toronto, Ontario, Canada: McGraw-Hill Ryerson. ISBN 0-07-082778-8.
  • Milberry, Larry (2010). Aviation in Canada: Evolution of an Air Force. Toronto, Ontario, Canada: Canav Books. ISBN 978-0-921022-23-7.
  • Rendel, David G.A. (1975). Civil Aviation in New Zealand: An Illustrated History. Wellington, New Zealand: Reed. ISBN 978-0-589-00905-2.
  • Spencer, Alex M. (2009). A Third Option: Imperial Air Defense and the Pacific Dominions, 1918–1939 (PDF) (PhD). Auburn, Alabama: Auburn University. OCLC 612068424.
  • Steenkamp, Willem; Potgieter, Herman (1980). Aircraft of the South African Air Force. Cape Town, South Africa: Struik. ISBN 0-86977-133-7.
  • Stephens, Alan (2006) [2001]. The Royal Australian Air Force: A History. Melbourne: Oxford University Press. ISBN 0-19-555541-4.
  • Taylor, H.A (1974). Fairey Aircraft Since 1915. London: Putnam & Company. ISBN 0-370-00065-X.
  • Wise, S. F. (1981). Canadian Airmen and the First World War. The Official History of the Royal Canadian Air Force. I. Toronto: University of Toronto Press. ISBN 978-0-8020-2379-7.

Further reading[edit]

  • Becker, Dave (March 2003). "Aircraft of the SA National Museum of Military History: The Royal Aircraft Factor SE.5a". SA Flyer: 72–74. OCLC 124011096.
  • Bennett, John (1996). The Imperial Gift: British Aeroplanes which Formed the RAAF in 1921. Maryborough, Queensland: Banner Books. ISBN 1-875593-13-6.
  • Douglas, W. A. B. (1986). The Creation of a National Air Force. Official History of the Royal Canadian Air Force. II. Toronto: University of Toronto Press in Co-operation with the Dept. of National Defence and the Canadian Govt. Pub. Centre, Supply and Services. ISBN 0-8020-2584-6.
  • Shores, Christopher; et al. (1990). Above the Trenches: A Complete Record of the Fighter Aces and Units of the British Empire Air Forces 1915–1920. Stoney Creek, Ontario, Canada: Fortress. ISBN 978-0-948817-19-9.