There is a story about the first Mosquito, which along with several other prototypes was built at the deHavilland design sheds at Salisbury Hall (now the
deHavilland Aviation Heritage Centre/Mosquito Aircraft Museum. Unfortunately the grass strip they had there was underutilized and was turned over for farming before the prototype was ready and they took off with a section of the runway already being plowed (other aircraft built there were removed by road