Aircraft impact with terrain during night flight

2 fatalities • Mt Big Baldy, United States of America • Flight

A single-engine aircraft crashed into a mountain slope during a night-time VFR cross-country flight, resulting in no survivors.

What happened

During a non-scheduled VFR cross-country flight operating under 14 CFR Part 135 regulations, an aircraft struck mountainous terrain. Prior to the collision, the pilot had communicated with air traffic control, stating that the flight was proceeding under visual flight rules and maintaining an altitude of 8,500 feet MSL. The accident occurred during the return portion of the journey at an elevation of roughly 9,100 feet MSL.

The impact took place on a south-facing slope of a mountain near the final radar position recorded for the flight. The incident occurred under dark night conditions. Analysis of the wreckage and the signatures found at the site indicated a high-energy, shallow-angle impact with the ground.

Findings

An investigation into the wreckage found no indications of mechanical failure or technical issues with the aircraft prior to the crash. The primary factor identified in the sequence of events was the collision with terrain during the night flight phase.

Probable cause

The aircraft struck mountainous terrain during a night-time VFR flight.

Frequently asked questions

What happened in the 2004-08-17 Beechcraft 99 Airliner accident near Mt Big Baldy, United States of America?

A single-engine aircraft crashed into a mountain slope during a night-time VFR cross-country flight, resulting in no survivors.

Were there any fatalities in the 2004-08-17 Beechcraft 99 Airliner accident?

The accident was fatal, resulting in 2 fatalities.

What aircraft was involved and where did it happen?

The accident on 2004-08-17 involved a Beechcraft 99 Airliner, registration N199GL, operated by Alpine Air, at Mt Big Baldy, United States of America.

What was the probable cause of the accident?

The aircraft struck mountainous terrain during a night-time VFR flight.

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