BA 747
At the time of the BA diverting in I was working for Monarch who handled the aircraft. I was at home and, aware that there was fog at LHR, I had my airband scanner on and heard the aircraft (BA092 Toronto-LHR) calling Luton, unaware at that stage of the aircraft type. It was asked to contact Monarch Ops so I switched frequencies. The conversation was "are you aware how long Luton's runway is?" and "be aware there is no towbar for a 747 on station", to which the reply was along the lines of "we've run out of options and we're coming to you anyway". The aircraft had already initiated a diversion to Prestwick when the visibility there dropped below minima (747-100's were only ILS CAT 1), meaning all other alternates must have been below minima as well. I never did find out how much fuel was left on arrival, nor how far north the aircraft was when it turned back south. Pity the playback on flightradar doesn't go back that far! (28/9/92)