Date:	Friday 28 October 1949
Time:	01:00
Type:	Grumman G-73 Mallard
Owner/operator:	Superior Oil Corp.
Registration:	NC2956
MSN:	J-15
Year of manufacture:	1947
Total airframe hrs:	1235 hours
Fatalities:	Fatalities: 6 / Occupants: 7
Aircraft damage:	Destroyed, written off
Category:	Accident
Location:	London Heathrow Airport (LHR) -   United Kingdom
Phase:	Take off
Nature:	Executive
Departure airport:	London Airport (LHR/EGLL)
Destination airport:

Narrative:
While making a night takeoff from London Airport the aircraft reached a height of between 30 and 50 feet and then swerved to the left approximately 40 degrees to the line of takeoff. Height was lost and the undercarriage struck the grass 150 yards from the edge of the runway.
The aircraft continued across the airport a few feet above the ground for a further 450 yards and the crashed and burst into flames.

Civil Aircraft Accident Report: Grumman Mallard NC 2956 Superior Oil Co

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