12 fatalities

Anti-Submarine Aircraft Loss Off Trinidad (6713)

Trinidad and Tobago, Trinidad and TobagoFlight

On August 6, 1943, a Martin PBM Mariner (registration 6713) operated by United States Navy - USN was involved in an aviation accident near Trinidad and Tobago, Trinidad and Tobago in flight. 12 people were killed. 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)Source recordUpdated 2026-08-25Data APIEditorial standards

A military aircraft crashed into the sea off Trinidad during an anti-submarine mission. All 12 crew members were lost, and no wreckage was recovered.

What happened

The aircraft was operating on an anti-submarine mission in waters adjacent to the coast of Trinidad Island. During this operation, the plane crashed into the sea under circumstances that remain officially unconfirmed. While the specific mechanical or operational failure is not documented, historical assessments suggest the loss most likely occurred during or immediately following an engagement with an enemy submarine.

Search and rescue operations were launched to locate the aircraft and its personnel. Despite these efforts, no trace of the wreckage was found in the water. Consequently, all 12 crew members, who were based at Waller Field in Trinidad, were declared lost. The absence of physical evidence has prevented a definitive reconstruction of the final moments of the flight.

Frequently asked questions

What happened in the 6 Aug 1943 Martin PBM Mariner accident near Trinidad and Tobago, Trinidad and Tobago?

A military aircraft crashed into the sea off Trinidad during an anti-submarine mission. All 12 crew members were lost, and no wreckage was recovered.

Were there any fatalities in the 6 Aug 1943 Martin PBM Mariner accident?

The accident was fatal, resulting in 12 fatalities.

What aircraft was involved and where did it happen?

The accident on 6 Aug 1943 involved a Martin PBM Mariner, registration 6713, operated by United States Navy - USN, at Trinidad and Tobago, Trinidad and Tobago.