Casualties unknown

Unmanned Aircraft Strikes Building After Hand Propping Incident (N4487J)

Falls OF Rough, KY, US

On March 3, 1994, a Piper PA-28-140 (registration N4487J) operated by Thomas L Moore was involved in an aviation accident near Falls OF Rough, KY. Investigators recorded the probable cause as: THE PILOT'S INADEQUATE TIEDOWN AND STARTING PROCEDURE WHICH RESULTED IN A RUNAWAY AIRCRAFT, WHICH SUBSEQUENTLY COLLIDED WITH A BUILDING. 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 2026-07-04Data APIEditorial standards

During a first-time hand propping attempt, the engine started and the unmanned aircraft taxied into a building. The pilot's four-year-old daughter was the sole occupant.

Incident Overview

The pilot attempted to hand prop the engine of the aircraft. After approximately 20 attempts, the engine started. The aircraft, which was unmanned at the time, began to taxi under its own power and struck a building. The pilot's four-year-old daughter was seated in the right front seat and was the sole occupant of the aircraft.

Pilot Actions

According to the pilot, he had tied down the tail and set the brakes prior to the hand propping attempt. After the engine started, he jumped onto the right wing and dragged his feet in an effort to slow the airplane. This action caused the airplane to slow and turn, directing it toward the building.

Pilot's Statement

The pilot stated that the accident could have been prevented if he had received previous instructions in hand propping and if a qualified pilot in the type of aircraft had been at the controls.

Frequently asked questions

What happened in the 3 Mar 1994 Piper PA-28-140 accident near Falls OF Rough, KY?

During a first-time hand propping attempt, the engine started and the unmanned aircraft taxied into a building. The pilot's four-year-old daughter was the sole occupant.

What aircraft was involved and where did it happen?

The accident on 3 Mar 1994 involved a Piper PA-28-140, registration N4487J, operated by Thomas L Moore, at Falls OF Rough, KY.

What was the probable cause of the accident?

THE PILOT'S INADEQUATE TIEDOWN AND STARTING PROCEDURE WHICH RESULTED IN A RUNAWAY AIRCRAFT, WHICH SUBSEQUENTLY COLLIDED WITH A BUILDING.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001206X00977. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.