No fatalities

14 Nov 2010: SCHWEIZER 300C — Mountain One Helicopters — Broomfield, CO

Broomfield, CO, United States

On 14 Nov 2010, a SCHWEIZER 300C operated by Mountain One Helicopters was involved in an aviation accident near Broomfield, CO. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s inadequate fuel planning, which resulted in a loss of engine power due to fuel exhaustion. Contributing to the accident was the pilot's improper execution of an autorotation, which resulted in a hard landing. This summary draws on records from NTSB; 6 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

A private pilot performed a precautionary landing after engine sputtering, but the engine quit during descent. The helicopter landed hard, spun, and sustained substantial tailboom damage. Fuel tanks were empty.

Incident Overview

A single-engine helicopter experienced engine sputtering while returning to its home field. The private pilot began searching for an open area to execute a precautionary landing. Selecting an unoccupied football field, the pilot initiated a descent. During the descent, the engine fully stopped. The pilot continued with an autorotational descent to the field.

Landing and Damage

The helicopter touched down hard, entering a counterclockwise spin before coming to rest upright. The tailboom sustained substantial damage during the impact.

Post-Accident Examination

An on-scene inspection revealed both fuel tanks were empty. No fuel was found under the wreckage or on the field. After adding fuel, the helicopter operator ran the engine at various settings with no anomalies observed. Additionally, the fuel low light system passed functional testing.

Contributing factors

Causes

Performance/control parameters — Not attained/maintainedPilot

Other contributing factors

Fluid management