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ASN Wikibase Occurrence # 185141
Last updated: 27 September 2021
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Type:Silhouette image of generic MU2 model; specific model in this crash may look slightly different
Mitsubishi MU-2B-25
Owner/operator:Cosco E Associates Inc.
Registration: N99SR
MSN: 315
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Substantial
Location:Jefferson County Airport, Broomfield, Colorado -   United States of America
Phase: Take off
Departure airport:Jefferson County Airport, Broomfield, Colorado (BJC/KBJC)
Destination airport:
Investigating agency: NTSB
The pilot said that during take-off roll, the aircraft's left engine lost RPM. The pilot lost directional control and the aircraft departed the left side of the runway. The aircraft struck a runway sign and two runway lights. It then skidded sideways for 3000 feet, crossed the runway and nosed down in a ditch. There were heavy snow showers in progress at the time of the accident and the runway was covered by snow.

The NTSB determined the probable cause to be: Loss of directional control by the pilot, during take-off ground run. Contributing to this accident were a loss of power on the left engine due to snow ingestion, heavy snow showers in progress and an icy, snow covered runway


1. NTSB Identification: DEN90LA047
2. CAA:

Other occurrences involving this aircraft

25 May 2021 N99SR Aircraft Trust Services Inc Trustee 0 Augusta Regional Airport (AGS/KAGS), GA min

Revision history:

04-Mar-2016 19:53 Dr.John Smith Added
04-Mar-2016 19:55 Dr.John Smith Updated [Aircraft type]
21-Dec-2016 19:30 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]

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