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Unresolved Disappearance of a Twin-Engine Aircraft in Texas (N5657D)

Texas, United States of AmericaFlight

On October 28, 1975, a Beechcraft E18 (registration N5657D) operated by Lee R. Griffith was involved in an aviation accident near Texas, United States of America in flight. 2 people were killed. Investigators recorded the probable cause as: As the wreckage was not found, the 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 reportUpdated 2026-06-12Data APIEditorial standards

A twin-engine aircraft departed Dallas during the day and disappeared in Texas. Search and rescue efforts were suspended after several days without finding the aircraft or its two occupants.

Incident Overview and Search Efforts A twin-engine aircraft departed from Dallas during daylight hours and subsequently disappeared without a trace somewhere within the state of Texas. The aircraft was carrying two occupants at the time of the incident. Search and rescue (SAR) operations were initiated immediately following the loss of contact. However, after several days of searching, the operations were eventually suspended. No trace of the aircraft or either of the two occupants was found during the search period. ## Official Findings The official investigation concluded that the cause of the accident could not be determined. This finding was based on the fact that the wreckage of the aircraft was never located.

Probable cause

As the wreckage was not found, the cause of the accident could not be determined.

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