description Handley Page HP.115 Overview
The Handley Page HP.115 was a British experimental research aircraft first flown in 1961 to investigate the low-speed aerodynamic behavior of slender delta wings. A single-seat, single-engine jet, it featured an unusually long, narrow delta planform and tricycle undercarriage, and was powered by a Bristol Siddeley Viper turbojet. Data gathered from the HP.115 directly informed the Concorde supersonic transport program's wing design, particularly regarding takeoff and landing performance.
help Handley Page HP.115 FAQ
What was the Handley Page HP.115 built to test?
It was built to study how a very slender delta wing behaved at low speed, especially during takeoff and landing. The research supported the design work that led to Concorde.
When did the Handley Page HP.115 first fly?
The sole HP.115 made its first flight on August 17, 1961. Test pilot J. M. Henderson flew it from the Royal Aircraft Establishment at Bedford.
What engine did the HP.115 use?
The aircraft used one Bristol Siddeley Viper 9 turbojet. It was a single-seat research jet with a long, narrow delta wing and tricycle landing gear.
Where can the Handley Page HP.115 be seen today?
The surviving aircraft is displayed at the Fleet Air Arm Museum at Yeovilton in England. Only one HP.115 was built, and it remained a research aircraft rather than becoming an operational airplane.
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