Casualties unknown

Reservoir Crash Leaves One Occupant Fatally Injured (N5998Y)

Imperial, TX, US

On August 1, 1987, a Piper PA-23-250 (registration N5998Y) was involved in an aviation accident near Imperial, TX. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-06-10Data APIEditorial standards

After takeoff, a pilot flew low over a reservoir, encountered a sink, and the aircraft struck the water and sank. Five occupants escaped; one suffered fatal injuries. Witnesses reported previous low passes by the same pilot.

Accident Overview

Following takeoff, the pilot chose to fly at a low altitude over a reservoir. According to the pilot's statement, as he began a pass not far from the water's edge, the aircraft encountered a sink. The pilot reported checking power, finding all systems normal, but the plane 'seemed to lose all lift.' Subsequently, the aircraft struck the water, crashed, and began sinking.

Occupant Egress and Injuries

Out of six occupants on board, five were able to egress from the aircraft. The sixth occupant sustained fatal injuries. The source explicitly states that the sixth person received fatal injuries.

Witness Observations

Witnesses observed the aircraft flying at a very low altitude above the water before the crash. They reported that on previous occasions, the same pilot had made low passes over the reservoir in a similar manner.

Pilot and Aircraft Documentation

The pilot's last medical certificate was dated November 16, 1984. The aircraft's last annual inspection was dated August 15, 1984. A weight and balance check estimated the aircraft's center of gravity (CG) to be 0.2 inches behind the aft limit.

Investigation

The investigation into the accident continues, with authorities examining all available documentation and witness statements.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X31799. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.