Nazgul air Yes I wrote iit all down and for anything new I still do, I have over twenty years of worksheets, right down to part numbers, serials and what the job involved and why. In 1975 the lady at the FAA was entertaining when she looked through my military work on Hueys. The bullet holes and blade repairs got a passing comment, but the 'manufacture' of a T53 fuel control from two with damaged cases got the 'you won't do this on civilian aircraft' retort from her.