Final
1 minor
Apr 2, 2024
N86UM accident at Alpine, AR
Mooney M20E — Sys/Comp malf/fail (non-power) at Alpine, AR
DateApr 2, 2024
Tail numberN86UM
AircraftMooney M20E · Mooney M20 · M20P
LocationAlpine, AR
Phase of flightEnroute
OperationPart 91 Personal
Injuries1 minor
NTSB caseCEN24LA145
Probable cause
The improper maintenance of the cabin air and exhaust system which resulted in a cracked exhaust pipe and damaged cabin air tubing, and the subsequent elevated carbon monoxide levels in the cockpit and a forced landing to unsuitable terrain after the pilot suspected carbon monoxide poisoning.
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