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Status:Final
Date:Wednesday 7 May 1986
Time:23:45
Type:Silhouette image of generic SW4 model; specific model in this crash may look slightly different
Swearingen SA226-AT Merlin IV
Operator:Barckley Airlines
Registration: N577KA
MSN: AT-008
First flight: 1972
Total airframe hrs:2950
Engines: 2 Garrett TPE331-3U-303G
Crew:Fatalities: 1 / Occupants: 1
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 1 / Occupants: 1
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:11 km (6.9 mls) NW of Billings-Logan International Airport, MT (BIL) (   United States of America)
Phase: Approach (APR)
Nature:Unknown
Departure airport:Helena Airport, MT (HLN/KHLN), United States of America
Destination airport:Billings-Logan International Airport, MT (BIL/KBIL), United States of America
Narrative:
After flying a localizer back course approach to Billings' runway 27 a missed approach was executed. The pilot then tried to carry out a runway 09L ILS approach. On the inbound approach course the aircraft impacted terrain and caught fire.

Probable Cause:

PROBABLE CAUSE: "Physical impairment(other cardiovascular)..Pilot in command".

Sources:
» NTSB


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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Helena Airport, MT to Billings-Logan International Airport, MT as the crow flies is 277 km (173 miles).
Accident location: Approximate; accuracy within a few kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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