No fatalities
26 Nov 2021: PIPER PA-18 NO SERIES — Palmer, AK
On 26 Nov 2021, a PIPER PA-18 NO SERIES was involved in an aviation accident near Palmer, AK. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to effectively use carburetor heat in conditions conducive to the formation of carburetor ice, which resulted in a partial loss of engine power, off-airport landing, and nose over. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.
Probable cause
The pilot’s failure to effectively use carburetor heat in conditions conducive to the formation of carburetor ice, which resulted in a partial loss of engine power, off-airport landing, and nose over.
— NTSB Determination
Contributing factors
PilotEffect on operationIncorrect use/operation