1991-04-17: Piper PA-18-150 — Abner M. Ussery — Port Lavaca, TX

Casualties unknown • Port Lavaca, TX, US

Probable cause

THE PILOT'S INADVERTENT STALL AT AN ALTITUDE TOO LOW FOR RECOVERY. A FACTOR WAS THE PILOT'S LOW PASS.

— NTSB Determination

Accident narrative

THE AIRPLANE EXECUTED A STEEP LEFT TURN, STALLED, AND DESCENDED NOSE LOW INTO A TREE AND THE GROUND WHILE SEARCHING FOR A PIPE LEAK IN AN OIL FIELD. INSPECTION OF THE WRECKAGE REVEALED ADEQAUTE FUEL, CONTINUITY AND NO MECHANICAL MALFUNCTION. ENGINE DISASSEMBLY FAILED TO UNCOVER ANY DISCREPANCY. A WITNESS OBSERVED THE AIRPLANE FLYING LOW TO THE GROUND AND SLOWED DOWN TO WATCH. THE WITNESS SAW THE AIRPLANE CIRCLE AND GO DOWN.

Frequently asked questions

What happened in the 1991-04-17 Piper PA-18-150 accident near Port Lavaca, TX?

THE AIRPLANE EXECUTED A STEEP LEFT TURN, STALLED, AND DESCENDED NOSE LOW INTO A TREE AND THE GROUND WHILE SEARCHING FOR A PIPE LEAK IN AN OIL FIELD. INSPECTION OF THE WRECKAGE REVEALED ADEQAUTE FUEL, CONTINUITY AND NO MECHANICAL MALFUNCTION. ENGINE DISASSEMBLY FAILED TO UNCOVER ANY DISCREPANCY. A WITNESS OBSERVED THE…

What aircraft was involved and where did it happen?

The accident on 1991-04-17 involved a Piper PA-18-150, registration N4695Y, operated by Abner M. Ussery, at Port Lavaca, TX.

What was the probable cause of the accident?

THE PILOT'S INADVERTENT STALL AT AN ALTITUDE TOO LOW FOR RECOVERY. A FACTOR WAS THE PILOT'S LOW PASS.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X16792. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

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