RAF Seletar in the 1960s was one of the largest and busiest airfields in the air force with transport and rotary wing aircraft in large numbers.
The Belvedere sqn (66), decided it would be a good little jape the hold a Dining In Night inside the aircraft and this was duly done, apparently with a table and chairs squashed in and the food handed up. Not to be outdone the Beverley sqn (34) went one better and they put a mess dining table in the hold and got airborne and flew around Singapore for a couple of hours holding a dinner in mess kit and with speeches and all.
I wasn’t there for either event but am reliably informed by several sources that this happened – and if it didn’t it should have done!!
OD