4 fatalities

Training Aircraft Crash in Delaware Bay (NC86508)

Cape May Point, United States of AmericaFlight

On May 11, 1947, a Lockheed L-049 Constellation (registration NC86508) operated by Trans World Airlines - TWA was involved in an aviation accident near Cape May Point, United States of America in flight. 4 people were killed. Investigators recorded the probable cause as: Loss of control of the aircraft for reasons undetermined. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-08-05Data APIEditorial standards

A four-engine training aircraft crashed into Delaware Bay during a left turn, resulting in the deaths of all four crew members.

What happened

The incident occurred while the flight crew was executing a training mission associated with a pilot transition program. At the time of the accident, the aircraft was cruising at an altitude of 2,500 feet and performing a left turn. The four-engine plane, which bore the name 'Star of Athens', entered an uncontrolled dive during this maneuver. It subsequently impacted the surface of Delaware Bay, located approximately seven miles west of Cape May Point. The impact resulted in the total destruction of the airframe, and all four crew members were killed.

Findings

The official investigation concluded that the accident was caused by a loss of control of the aircraft. However, the specific reasons for this loss of control could not be determined.

Probable cause

Loss of control of the aircraft for reasons undetermined.