7 fatalities

Navy Training Flight Crashes into Atlantic Off Long Island, Seven Killed (122978)

Block Island, United States of AmericaFlight

On September 4, 1951, a Lockheed P-2 Neptune (registration 122978) operated by United States Navy - USN was involved in an aviation accident near Block Island, United States of America in flight. 7 people were killed. Investigators recorded the probable cause as: Loss of control due to an engine explosion in flight. 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 2026-06-12Data APIEditorial standards

A training flight conducting an aerial attack on a submarine crashed into the sea east of Montauk Point. All seven crew members were killed. Probable cause: engine explosion.

Incident Overview

A U.S. Navy training flight, engaged in an aerial attack exercise against a submarine off the coast of Long Island, crashed into the Atlantic Ocean approximately 30 miles east of the Montauk Point lighthouse. The accident occurred about one hour after departure from Quonset Point Naval Air Station. All seven crew members aboard the aircraft were killed.

Crew

The crew members identified in the accident were:

  • Lt Jerome J. Rossillion
  • Lt Herschell B. Thorpe
  • Charles G. Chapman
  • Charles L. Cook
  • Ralph R. Maxfield
  • Frank M. Roeder Jr.
  • Kenneth G. Peterson

Flight Profile

The aircraft departed Quonset Point NAS for a training mission that involved simulating an attack on a submerged submarine. Approximately one hour into the flight, the pilot encountered problems and subsequently lost control of the aircraft, which then crashed into the sea.

Official Findings

The probable cause of the accident, as determined by the investigation, was a loss of control resulting from an engine explosion in flight. No other contributing factors were identified in the official findings.