At 0135 on a Sunday morning on which the Gatwick area was affected by patches of dense freezing fog, Boeing 727 registration number YA-FAR ( the only such aircraft in the company's fleet ) descended below its correct glide slope as it approached the airport from the east.
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Fog of the advection, frontal, and evaporation ( steam ) species often occurring in combination accompanied the snow in many localities, in some cases turning to freezing fog before lifting; some stations reported a very unusual simultaneous combination of heavy snow or mixed precipitation, lightning, dense fog, and winds in excess of 50 mph.
