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ASN Wikibase Occurrence # 44849
Last updated: 29 November 2021
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Type:Silhouette image of generic M18 model; specific model in this crash may look slightly different
PZL-Mielec M-18B Dromader
Owner/operator:New Frontier Aviation
Registration: N117BS
MSN: 1Z027-17
Fatalities:Fatalities: 1 / Occupants: 1
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:Borah Peak, ID -   United States of America
Phase: En route
Departure airport:Dillon, MT (DLN)
Destination airport:Boise, ID (BOI)
Investigating agency: NTSB
The pilot was on the first leg of a visual flight rules (VFR) cross-country flight that originated approximately one hour and 15 minutes prior to the accident. After failing to arrive at the scheduled destination, the FAA issued an Alert Notice (ALNOT) and a search for the missing airplane was initiated. Eight days after the search was initiated, the missing airplane was located in mountainous terrain near the summit of Borah Peak at an elevation of approximately 11,210 feet above mean sea level. Widespread areas of instrument meteorological conditions (IMC) were reported along the pilot's route of flight. Weather forecasts for the time and area of the accident included icing conditions and mountain obscuration.
Probable Cause: The pilot's inadequate planning/decision, VFR into IMC, and his failure to maintain terrain clearance. Factors include mountainous terrain and instrument meteorological condition.




Revision history:

28-Oct-2008 00:45 ASN archive Added
21-Dec-2016 19:24 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
07-Dec-2017 18:02 ASN Update Bot Updated [Departure airport, Destination airport, Source, Narrative]

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