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2 fatalities

Nighttime Loss of Control and Subsequent Wreckage Recovery Off Groton (N4955T)

Groton, United States of AmericaFlight

On June 17, 1968, a Cessna 411 (registration N4955T) operated by Buckner Company was involved in an aviation accident near Groton, United States of America in flight. 2 people were killed. Investigators recorded the probable cause as: The exact cause of the accident could not be determined. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).

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

An aircraft crashed into the sea off Groton after the pilot lost control during nighttime foggy conditions. Both occupants were missing, and the wreckage was found in 40 feet of water in November 1968.

Incident Overview and Search Operations During nighttime operations in foggy conditions, the pilot of an aircraft lost control, resulting in a crash into the sea off Groton. Search and rescue (SAR) operations were initiated immediately following the incident. However, these efforts were suspended a few days later after no trace of the aircraft or its two occupants could be located. ## Wreckage Recovery and Official Findings The wreckage was eventually located on 15 November 1968. It was found at a depth of 40 feet, situated a few hundred yards offshore. The official investigation concluded that the exact cause of the accident could not be determined.

Probable cause

The exact cause of the accident could not be determined.

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