2 fatalities

1979-07-20: Douglas C-47 Skytrain (DC-3) (N63250) — Trans National Airlines - TNA — Honolulu, United States of America

Honolulu, United States of AmericaFlight

On July 20, 1979, a Douglas C-47 Skytrain (DC-3) (registration N63250) operated by Trans National Airlines - TNA was involved in an aviation accident near Honolulu, United States of America in flight. 2 people were killed. Investigators recorded the probable cause as: Double engine failure in flight following a fuel exhaustion. The following contributing factors were reported: - The crew became lost/disoriented, - Failure of the communications and navigations equipment, - Failure of the Loran receiver, - Communications… This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 1 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 1781225020Data APIEditorial standards

A ferry flight from San Jose, California, to Honolulu crashed into the ocean after the crew declared an emergency due to complete communication and navigation system failures. Search and rescue operations were abandoned with no trace of the aircraft or crew.

Incident Details

While approaching Honolulu on a ferry flight originating from San Jose, California, the crew declared an emergency via an auxiliary emergency system, reporting that all communication and navigation systems had failed. Minutes later, the aircraft crashed into the ocean off the coast of Honolulu.

Search and Rescue Efforts

Search and rescue (SAR) operations were initiated immediately following the crash. However, after several days, the search was abandoned as no trace of the aircraft or its two crew members was found.

Probable Cause

According to the official investigation, the probable cause of the accident was a double engine failure in flight due to fuel exhaustion. Several contributing factors were identified, including the crew becoming lost or disoriented, failure of communications and navigation equipment, failure of the Loran receiver, communications failure, failure of both engines, a forced landing off airport on water, the aircraft not being recovered, the pilot reporting HF radio and Loran inoperative, the crew being lost, and the absence of fuel.