Thanks, Gordon - I appreciate that !

Actually, I could understand the 'probation' thing ; this applies mainly to groups or individuals who dig up aircraft parts for purely commercial reasons ( ie flogging the bits ) or, even worse, photographing human remains found at crash sites and then offering the photos for publication etc. And then there are those who simply give aviation archaelogy a bad name by failing to obtain the proper authorisation from government &/or landowners before digging.

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"Stand by to pull me out of the seat if I get hit" - Guy Gibson