5 fatalities

Training Flight Crash in the Atlantic Ocean (152749)

Brunswick, United States of AmericaFlight

On March 15, 1973, a Lockheed P-3 Orion (registration 152749) operated by United States Navy - USN was involved in an aviation accident near Brunswick, United States of America in flight. 5 people were killed. Investigators recorded the probable cause as: The cause of the accident could not be determined. 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 2026-09-03Data APIEditorial standards

An aircraft crashed into the Atlantic Ocean about 40 miles offshore from Brunswick NAS during a training flight, killing all five crew members. The cause of the accident could not be determined.

Incident Overview An aircraft was conducting a training flight departing from Brunswick NAS when it crashed into the Atlantic Ocean. The accident occurred in unknown circumstances, with the impact site located approximately 40 miles offshore. The wreckage sank to a depth between 300 and 600 feet. All five crew members on board were killed in the incident. ## Investigation Findings The official investigation concluded that the cause of the accident could not be determined. No specific factors or contributing conditions were identified in the available findings regarding the crash or the subsequent sinking of the aircraft.

Probable cause

The cause of the accident could not be determined.

Frequently asked questions

What happened in the 15 Mar 1973 Lockheed P-3 Orion accident near Brunswick, United States of America?

An aircraft crashed into the Atlantic Ocean about 40 miles offshore from Brunswick NAS during a training flight, killing all five crew members. The cause of the accident could not be determined.

Were there any fatalities in the 15 Mar 1973 Lockheed P-3 Orion accident?

The accident was fatal, resulting in 5 fatalities.

What aircraft was involved and where did it happen?

The accident on 15 Mar 1973 involved a Lockheed P-3 Orion, registration 152749, operated by United States Navy - USN, at Brunswick, United States of America.

What was the probable cause of the accident?

The cause of the accident could not be determined.