Casualties unknown

Aircraft Impacts Lake During Low-Level Ash Dispersal Flight (N6704V)

Boyne City, MI, US

On August 13, 1991, a Bellanca 17-30A (registration N6704V) operated by Trapline Inc. was involved in an aviation accident near Boyne City, MI. Investigators recorded the probable cause as: THE PILOT IN COMMAND'S FAILURE TO MAINTAIN PROPER ALTITUDE. A FACTOR CONTRIBUTING TO THE ACCIDENT WAS THE PILOT IN COMMAND'S DIVERTED ATTENTION.. 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

A pilot flying for familiarization and ash dispersal over a lake was observed at low altitude before descending and impacting the water. Investigation found the pilot in the right seat with the cabin door open, autopilot engaged in heading mode, and landing gear extended despite gear selector in up position.

Incident Overview

A pilot was conducting a local flight for the purpose of familiarization with the aircraft and to disperse ashes over a lake. Witnesses observed the aircraft flying at a low altitude for a short period before it descended and impacted the surface of the lake.

Investigation Findings

Subsequent investigation revealed that the pilot was strapped in the right seat with the cabin door open. The single-axis autopilot was engaged in the heading mode. Although the landing gear selector was in the "up" position, the landing gear was extended. The airplane was equipped with an automatic gear extension feature.

Additional Information

Residue was located in the cockpit which was identified as cremated remains.

Frequently asked questions

What happened in the 13 Aug 1991 Bellanca 17-30A accident near Boyne City, MI?

A pilot flying for familiarization and ash dispersal over a lake was observed at low altitude before descending and impacting the water. Investigation found the pilot in the right seat with the cabin door open, autopilot engaged in heading mode, and landing gear extended despite gear selector in up position.

What aircraft was involved and where did it happen?

The accident on 13 Aug 1991 involved a Bellanca 17-30A, registration N6704V, operated by Trapline Inc., at Boyne City, MI.

What was the probable cause of the accident?

THE PILOT IN COMMAND'S FAILURE TO MAINTAIN PROPER ALTITUDE. A FACTOR CONTRIBUTING TO THE ACCIDENT WAS THE PILOT IN COMMAND'S DIVERTED ATTENTION..

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X17804. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.