6 fatalities

Seaplane crash near London-Heathrow during initial climb (NC2956)

London-Heathrow, United KingdomTakeoff (climb)

On October 28, 1949, a Grumman G-73 Mallard (registration NC2956) operated by Superior Oil Corporation was involved in an aviation accident near London-Heathrow, United Kingdom during takeoff. 6 people were killed. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 4 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Source recordUpdated 2026-08-24Data APIEditorial standards

A seaplane crashed shortly after takeoff from London-Heathrow, resulting in the deaths of six occupants and serious injuries to one crew member.

What happened

The incident occurred immediately after departure from London-Heathrow Airport. During the initial climb phase, while the aircraft was between thirty and fifty feet above ground level, it executed a left bank reaching an angle of forty degrees. Following this maneuver, the seaplane lost altitude and impacted the terrain approximately one hundred and fifty yards to the left of the runway. The wreckage traveled for roughly four hundred and fifty yards before the vehicle came to a stop in a fire. Tragically, six occupants were killed in the accident, while one crew member sustained serious injuries.

Frequently asked questions

What happened in the 28 Oct 1949 Grumman G-73 Mallard accident near London-Heathrow, United Kingdom?

A seaplane crashed shortly after takeoff from London-Heathrow, resulting in the deaths of six occupants and serious injuries to one crew member.

Were there any fatalities in the 28 Oct 1949 Grumman G-73 Mallard accident?

The accident was fatal, resulting in 6 fatalities.

What aircraft was involved and where did it happen?

The accident on 28 Oct 1949 involved a Grumman G-73 Mallard, registration NC2956, operated by Superior Oil Corporation, at London-Heathrow, United Kingdom.