As part of my research I'm interested in 1539 Beam Approach Training flight at South Cerney. I was looking through Chorley Vol. 8 yesterday and found the flight isn't listed at all. Has anybody any further details about it, or can advise where I may be able to go for more information? I spent an abortive hour trying to make sense of NA records but I'm afraid I'm always defeated by it!! Thanks in anticipation,