Casualties unknown

Helicopter Accident During Student Pilot Practice Flight (N6128Q)

Kahului, HI, US

On September 12, 1991, a Schweizer 269C (registration N6128Q) operated by Pacific Aviation Group, Inc. was involved in an aviation accident near Kahului, HI. Investigators recorded the probable cause as: THE STUDENT PILOT ENTRY INTO AN UNCONTROLLED DESCENT WHILE ATTEMPTING TO PERFORM AN AUTOROTATION. THE STUDENT PILOT'S LACK OF TOTAL EXPERIENCE WAS A FACTOR IN THE ACCIDENT. 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

A student pilot with 36 hours in the helicopter type crashed after witnesses heard popping noises and saw maneuvering at low altitude. The helicopter impacted nose-high, tail-low, with front skids undamaged. Engine examination found no preimpact malfunction.

Accident Overview

A student pilot, who had accumulated a total of 36 flight hours in the helicopter make and model over the preceding five months, departed for a practice flight approximately 20 minutes before the accident. The helicopter subsequently collided with the ground in a nose-high, tail-low attitude. The front section of the landing skids was not damaged during the impact.

Witness Observations

A ground witness reported observing the helicopter maneuvering from side to side at a low altitude immediately prior to the accident. The witness also heard a popping or sputtering noise emanating from the helicopter before it struck the ground.

Engine Examination

Post-accident examination of the engine did not reveal any evidence of a preimpact malfunction or failure.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X18121. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.