Thought I'd go back and reread the thread, and came across post
http://www.pprune.org/6969475-post100.html by Lono
He points out that this American veterans website
Departures lists the death in 1997 of a Harold Raasch, Hurricane pilot with RAF wings
If you Google for Harold Rassch 1997, this hit comes up
Evan Richard Vaughan Family Tree:Information about Archie Harold Raasch
An Archie Harold Raasch who died in 1997. He was born 1904, right age group
He seems to be listed on Ancestry.com here
Archie Harold Raasch If AA is reading this, can you access the record?
That clue from Lono was there on the fifth page of this thread!!!