Being neither commissioned nor a mason in the 60s I cannot really add to the excellent answers on drinking on dead mates bar bills or the subsequent disposal of his property given above.
However in RAFG,, all ranks Friday p.ss ups on the worlds oldest fixed wing Sqn (II AC) were generally known as "Beer Calls". They usually lasted from about 16:00 to 19:00 when erks and zobs would split to their own watering holes. Zobs to the Mess in flying kit and us lot to Snoopies bar in our denims. The entertainment would usually finish around dawn. In our case, it would probably end in Mamas in Weeze.
As for kit disposal, I can confirm that if the deceased was an 'Inventory holder' then any discreapancies found on a closing check would be 'written off'.
Joking aside - the Squadron ethos and the aircrew/groundcrew bond in RAFG was second to none.
Good luck with the book!