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BE20, vicinity Gallatin Field MT USA, 2007 (CFIT HF)

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Summary
On February 6, 2007, a Beech 200 King Air, being operated by Metro Aviation on an EMS positioning flight from Great Falls MT to Gallatin Field MT, collided at night in VMC with mountainous terrain approximately 13 nm north-northwest of the intended destination shortly after advising that the airport was in sight and requesting and obtaining permission for a visual approach.
Event Details
When February 2007
Event Type CFIT, HF
Day/Night Night
Flight Conditions VMC
Flight Details
Aircraft BEECH 200 Super King Air
Operator Metro Aviation
Domicile United States
Type of Flight Aerial Work
Origin Great Falls International
Intended Destination Bozeman Yellowstone International Airport
Flight Phase Descent
ENR / APR
Location - Airport
Airport vicinity Bozeman Yellowstone International Airport
CFIT
Tag(s) Into terrain
Vertical navigation error
IFR flight plan
HF
Tag(s) Ineffective Monitoring
Manual Handling
Safety Net Mitigations
TAWS Available but ineffective
Outcome
Damage or injury Yes
Aircraft damage Hull loss
Fatalities Most or all occupants
Causal Factor Group(s)
Group(s) Aircraft Operation
Safety Recommendation(s)
Group(s) None Made
Investigation Type
Type Independent

Description

On February 6, 2007, a Beech 200 King Air, being operated by Metro Aviation on an EMS positioning flight from Great Falls MT to Gallatin Field MT collided with mountainous terrain in night VMC shortly after advising that the airport was in sight and requesting and obtaining permission for a visual approach. The aircraft was destroyed and all three occupants were killed.

Investigation

An Investigation was carried out by the NTSB. It was eastablishd that the aircraft was equipped with TAWS Class 'B' equipment. Impact with terrain was found to have occurred approximately 13 nm north-northwest of the intended destination at a height of just over 700 feet above the elevation of the destination airport.

The Probable Cause of the accident was determined as "the pilot's failure to maintain an adequate altitude and descent rate during a night visual approach" and it was additionally noted that "dark night conditions and mountainous terrain are factors in the accident".

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