It is I believe in relation to Shakespeare's Play Henry V. The Percy family seeks to initiate a rebellion against King Henry IV and sounds out Lord Henry Percy, surnamed Hotspur, their most formidable knight. Northumberland (another Henry Percy, Earl of Northumberland) and Worcester (Thomas Percy, Earl of Worcester) try to explain their plans to him. Hotspur is so hot blooded that he explodes and goes off on a tangent at each point where they try to unfold their plot. With his fanatical view of on honor, Hotspur, as crazy as Don Quixote, forms a dramatic contrast with Falstaff.
As I understood it Jenkins thought the cockpit was that of the General Aviation Hotspur glider and referred to it as a
Percy. I see he has since deleted his original post. I could of course be totally wrong
