11 August 1986: A modified factory demonstration Westland Lynx AH.1 Helicopter piloted by Chief Test Pilot John Trevor Egginton set an FAI Absolute Record for Speed for helicopters over a straight 15 and 25 km course of 400.87 km/h (249.089 mp/h) near Glastonbury on the Somerset Levels and Moors, Southwest England.

It was the fastest a conventional helicopter had ever travelled and the record still stands 30 years later.

Click here to read more: FAI Dossier.

Photo credit: Neil Corbett / Westland