1985 for 10/28 would be about right, but I don't think it was around much longer after that. One ATCO called it "the cabbage patch" due to the deteriorating state of the surface.
10 was a favourite of Air UK crews departing for Norwich. It was a bit disconcerting for a moment to hear the Darts spool up so close to the terminal until you realised what was happening.
Norman Buddin. A real "character". The place had a few of them back then.
Oh, and it had passengers, too...