Casualties unknown

1990-12-18: Mcdonnell Douglas 369D (N58240) — Pacific Helicopters Inc. — Keanae, HI

Keanae, HI, US

On December 18, 1990, a Mcdonnell Douglas 369D (registration N58240) operated by Pacific Helicopters Inc. was involved in an aviation accident near Keanae, HI. Investigators recorded the probable cause as: FUEL STARVATION CAUSED BY A LOOSE FUEL LINE 'B' NUT, DUE TO IMPROPER MAINTENANCE; AND THE FAILURE OF THE PILOT TO CORRECTLY JUDGE THE LANDING FLARE DURING THE AUTOROTATION. 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 1781061362Data APIEditorial standards

A helicopter experienced an engine out warning and low RPM alarm during cruise climb. The pilot performed a precautionary landing on a flower farm, but the helicopter landed hard, causing the main rotors to sever the tail boom.

Incident Overview

A helicopter pilot encountered an engine out warning and low RPM caution during cruise climb, prompting a precautionary landing on a flower farm. The landing was hard on the rear portion of the skids, resulting in the main rotors severing the tail boom and rotor system.

Flight Details

The helicopter was in cruise climb at 2,600 feet, approximately 300–400 feet above a waterfall in mountainous terrain. The engine out warning horn and light activated simultaneously. The pilot decided to land on a flower farm located downhill. During the descent, the pilot made a series of power changes, which revealed a deterioration in available power.

Landing and Damage

The helicopter touched down hard on the rear portion of its skids. The impact caused the main rotors to contact and sever the tail boom and rotor system. No injuries were reported in the source, and the extent of damage beyond the severed tail boom is not specified.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X24775. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.