Flugunfall 28 DEC 1970 einer de Havilland DH-125-1A N36MK - Boise, ID
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Status:Accident investigation report completed and information captured
Datum:Montag 28 Dezember 1970
Flugzeugtyp:Silhouette image of generic H25A model; specific model in this crash may look slightly different
de Havilland DH-125-1A
Kennzeichen: N36MK
Werknummer: 25073
Baujahr: 1966-01-24 (4 years 11 months)
Besatzung:Todesopfer: 2 / Insassen: 2
Fluggäste:Todesopfer: 0 / Insassen: 0
Gesamt:Todesopfer: 2 / Insassen: 2
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:16 km (10 Meilen) NE of Boise, ID (   USA)
Flugphase: Annäherung (APR)
Flug von:Billings-Logan Field, MT (BIL/KBIL), USA
Flug nach:Boise Air Terminal, ID (BOI/KBOI), USA
Improper instrument approach to runway 10L caused the plane to fly into the slope of a mountain. Misreading of the altimeter was a causal factor.

Probable Cause:

pilot in command - improper IFR operation
pilot in command - failed to follow approved procedures,directives,etc.
miscellaneous acts, conditions - instruments-misread or failed to read



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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 Billings-Logan Field, MT to Boise Air Terminal, ID as the crow flies is 651 km (407 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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