Hawker Siddeley P.1127 GR.1" designation. The Harrier went on to become a successful aircraft in British service, and was exported to several nations, often seeing usage as a carrier-based aircraft. The P.1127/Kestrel was an experimental V/STOL aircraft, which served as the forerunner for the production of the Hawker Siddeley Harrier and the wider Harrier Jump Jet family. It served to demonstrate an entirely original technique of flight, as well as to trial a brand new type of engine in the form of the Pegasus turbofan engine. Despite this, the aircraft employed a principally conventional structure which, according to Mason, lent itself favourably to
Hawker Beechcraft to the bankruptcy court to sell off 20 Hawker 4000s, comprising 13 finished new 4000s, three being built and four used aircraft, at heavily discounted prices to raise money for the company. Existing owners of the aircraft type objected, indicating that this move would greatly devalue their assets. Bankruptcy judge Stuart Bernstein rejected the sale, stating that Hawker Beechcraft had not made a case for the discounted sale being necessary. On December 11, 2012 the judge reversed the order and permitted the sale of the 20 aircraft to proceed, requiring that each sale be reported to the court. In early