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ASN Wikibase Occurrence # 249430
Last updated: 14 September 2021
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Time:05:00 LT
Type:Silhouette image of generic C150 model; specific model in this crash may look slightly different
Cessna 150L
Registration: N19524
MSN: 15074469
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Location:Big Lake, Alaska -   United States of America
Phase: Unknown
Departure airport:Talkeetna Airport, AK (TKA/PATK)
Destination airport:Big Lake Airport, AK (BGQ/PAGQ)
Investigating agency: NTSB
The pilot reported that while performing a straight-in visual approach, he applied partial carburetor heat, and retarded the throttle for the descent. The airplane became low on the approach profile and the pilot increased the throttle and the engine subsequently "coughed" and then lost all power. He attempted to make a forced landing on a road, but the left wing struck a tree branch and the airplane subsequently impacted a snowbank and then the road. The wings and fuselage sustained substantial damage.
The pilot reported that there were no mechanical malfunctions or failures with the airplane that would have precluded normal operation. He confirmed that the fuel tanks had sufficient fuel for the flight.
The pilot reported that the accident could have been prevented had he applied full carburetor heat.
The exact probability of carburetor icing was not able to be calculated for the accident site due to the closest weather observation station being 9 miles away. The relative humidity level at that weather station was 87% at an ambient temperature of 12░F at the time of the accident.

Probable Cause: The pilot's failure to apply fullácarburetor heat while operating in conditions conducive to carburetor icing, which resulted in a total loss of engine power, a forced landing, and impact with a tree.



Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Download report: Final report
Other occurrences involving this aircraft

29 Jan 2020 N19524 0 Big Lake, Alaska sub


Revision history:

04-Apr-2021 16:22 ASN Update Bot Added

Corrections or additions? ... Edit this accident description