4 fatalities

Aircraft Crash into the Sea Off Hampton During Approach to Newport News-Williamsburg Airport (N61436)

Hampton, United States of AmericaLanding (descent or approach)

On October 20, 1976, a Piper PA-31-350 Navajo Chieftain (registration N61436) operated by Skyline Aviation (USA) was involved in an aviation accident near Hampton, United States of America during landing or approach. 4 people were killed. Investigators recorded the probable cause as: Uncontrolled descent during initial approach due to engine structure failure (valve assemblies). This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 9 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary report: the U.S. National Transportation Safety Board (NTSB) historical archive (1962-1981)Updated 2026-09-03Data APIEditorial standards

A scheduled flight from Washington DC lost its right engine while descending to Newport News-Williamsburg Airport. The aircraft entered a dive and crashed into the sea off Hampton, killing all four occupants.

Incident Overview and Location Details During a scheduled flight from Washington DC, the aircraft experienced a right engine failure while descending to Newport News-Williamsburg Airport. The crew subsequently lost control of the airplane, which entered a dive and crashed into the sea off Hampton. The impact site was located approximately 12.5 miles southeast of the airport. The aircraft was destroyed, and all four occupants were killed. The body of the copilot was never recovered. ## Official Findings and Contributing Factors The official investigation determined that the probable cause was an uncontrolled descent during the initial approach due to an engine structure failure involving valve assemblies. Several contributing factors were reported in the findings. These included diverted attention from the operation of the aircraft, issues with the electrical system involving generators or alternators, and the failure to use or the incorrect use of miscellaneous equipment. The aircraft came to rest in water. Specific mechanical failures identified included the No. 5 cylinder on the right engine, where the exhaust valve would not seat, and the failure of the right engine alternator bracket.

Frequently asked questions

What happened in the 20 Oct 1976 Piper PA-31-350 Navajo Chieftain accident near Hampton, United States of America?

A scheduled flight from Washington DC lost its right engine while descending to Newport News-Williamsburg Airport. The aircraft entered a dive and crashed into the sea off Hampton, killing all four occupants.

Were there any fatalities in the 20 Oct 1976 Piper PA-31-350 Navajo Chieftain accident?

The accident was fatal, resulting in 4 fatalities.

What aircraft was involved and where did it happen?

The accident on 20 Oct 1976 involved a Piper PA-31-350 Navajo Chieftain, registration N61436, operated by Skyline Aviation (USA), at Hampton, United States of America.

What was the probable cause of the accident?

Uncontrolled descent during initial approach due to engine structure failure (valve assemblies).