The world's fastest helicopter has received an Engineering Heritage Award, 28 years after breaking the record.
The modified Westland G-Lynx flew at 249mph (400kmph) over the Somerset Levels on 11 August 1986.
The G-Lynx, based at a Weston-super-Mare museum, is the 99th recipient of the award which has included Concorde.
John Wood, from the Institution of Mechanical Engineers, said it was a "remarkable example of British engineering and vision".
Originally built as a demonstrator craft by Westland Helicopters in Yeovil, the helicopter was heavily modified in 1985 in a bid to beat the record held by a Russian helicopter.
To allow the craft to fly at high speed, more powerful Rolls-Royce engines were added along with newly-designed blades.
"This award is in recognition of all the people involved in making the 1986 record possible," said Mr Wood.
"It is testament to the cutting-edge modifications made to the helicopter, that the world speed record still stands 28 years later."
Elfan Ap Rees, who founded the Helicopter Museum in Weston-super-Mare, said he was "delighted" the helicopter had been recognised.
It is the first time a helicopter has received the Institution of Mechanical Engineers' award, which has been presented to Concorde, the Mallard locomotive and the Jaguar E-Type in the past.