God you blokes are showing yr age there, myself as well I guess to some degree although I ain't gunna hang myself publicly here too much
I've sometimes just for fun mentioned the QDM for a particular inbound track on an App chart only to have the other guy say what? I believe I first heard about the 'Q' codes from someone like Keith Hants (mentioned in another thread) I guess the youngins' don't need to know such stuff as their world is now so far removed from the good 'ole days that it matters not.
One day in the not too distant future when all the old salts have long gone the current PPruners will probably be saying remember when we had NPA's, RMP's etc with two pilots up front briefing that crap.......God how antiquated & crude where they
Wmk2