Hawker P.1081

P.1081
Role	Research aircraft
Manufacturer	Hawker Aircraft
First flight	19 June 1950
Status	Destroyed in flying accident - 3 April 1951
Primary user	Royal Aircraft Establishment
Number built	1
Developed from	Hawker P.1052

The Hawker P.1081, also known as the "Australian Fighter" was a British jet aircraft from the mid-twentieth century.

In 1949, the Royal Australian Air Force (RAAF) began assessing replacements for two fighters built in Australia: the Mustangs built by Commonwealth Aircraft Corporation (CAC) and Vampires of De Havilland Australia (DHA). A series of designs were considered, including the Grumman F9F Panther and the CAC CA-23 – an unconventional, twin-jet all-weather design by CAC.

Hawker Aircraft also submitted a proposal, for a swept-wing, swept-tail fighter based on the Hawker P.1052, but using a Rolls-Royce Tay engine. Work began to modify the second prototype of the P.1052 (VX279) along these lines, although the Rolls-Royce Nene engine already fitted was initially retained. The rear fuselage of the P.1052 was replaced, so that a straight-through jet pipe could be installed.

VX279, which was now the prototype P.1081, took to the air on 19 June 1950. CAC, evidently planning to build any design accepted by the Australian government, assigned the serial number CA-24 to the P.1081.

By mid-1950, however, the RAAF urgently required a replacement for its Mustangs, some of which were in action in Korea and faced the possibility of clashes with MiG 15s. The P.1081 could not realistically become operational within the time frame required; in November 1950, Hawker decided to cease development. Likewise, the US-built North American F-86 Sabre could not be delivered to the RAAF for at least a few years. As a stop-gap, the RAAF ordered the ready-made Gloster Meteor F.8. CAC instead built a more powerful, Rolls-Royce Avon-engined variant of the F-86 a project which resulted in the CAC Sabre.

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