SAFETY
Pilot Misread Altimeter in Viscount Crash
The accident occurred during an unscheduled flight from London to Prestwick where the aircraft was to pick up passengers for BOAC under a charter arrangement and fly them to London. The aircraft had taken off at 2042 hr.1 from London Airport, had cruised on the airways at 18,500 ft. and had commenced the descent to Prestwick with an initial clearance to 8,500 ft.