Hawker Siddeley was a British industrial group whose aviation businesses united several established manufacturers. Created in 1935, it combined aircraft and engine interests before expanding through further acquisitions. Its aircraft division became one of the principal organisations absorbed into British Aerospace in 1977.[1]Hawker SiddeleyBAE Systems Heritage · baesystems.com · Accessed 2026-09-13Open source details
Formation and organisation
The original grouping joined Hawker with Armstrong Siddeley's interests, including Armstrong Whitworth and Avro, alongside Gloster. Constituent manufacturers initially retained their identities and design teams while sharing work. Folland was acquired in 1959; de Havilland and Blackburn followed during the 1960 consolidation. By 1963, aircraft products were increasingly presented under the Hawker Siddeley name. This organisational change brought previously separate airliner, fighter, bomber and transport programmes into a common commercial identity.[1]Hawker SiddeleyBAE Systems Heritage · baesystems.com · Accessed 2026-09-13Open source details
Civil aircraft manufacture
The HS 748 illustrates the continuity of an inherited programme. Designed by Avro, it first flew in June 1960 and became widely known under the Hawker Siddeley designation. The twin-Dart turboprop served airlines and military transport operators, with licence production by Hindustan Aeronautics in India. Development included versions with increased weight and power and the larger-loading-door military derivative. Its production continued under British Aerospace, demonstrating how a successful design could outlive the corporate identity that made it internationally familiar.[2]Avro 748 and Avro 748MFBAE Systems Heritage · heritage.baesystems.com · Accessed 2026-09-13Open source details
Military work and nationalisation
The Harrier brought vectored-thrust operation into front-line military service, while the Nimrod adapted the Comet lineage for maritime patrol. Hawker Siddeley also retained guided-weapons activity in its Dynamics division. In April 1977, the Aviation and Dynamics businesses were nationalised into British Aerospace. Non-aviation and overseas interests remained within a separate Hawker Siddeley group, so the aerospace merger did not mean that every business bearing the name entered British Aerospace.[1]Hawker SiddeleyBAE Systems Heritage · baesystems.com · Accessed 2026-09-13Open source details