Sky TV' s documentary channels, eg Discovery, occasionally have aviation related programmes. Many cover the period when the UK was a country to be proud of and feature the development of new military and commercial aircraft. Almost invariably as the test pilot strides out to give the first flight to some world leading piece of advanced technology he is properly dressed in sports coat and flannels, with shirt and tie, or a dark suit. Which would seem entirely suitable for a 152
I'm sure I've seen pictures of George Bulman test flying aircraft wearing a bowler hat. By the way I've checked out the MSI firecheck stuff and it says it lasts until immersed in water, so basically you have to reapply it every time you wash your clothes.