NTSB Incident Report on the Piper PA-28-140 at Pittsburg, KS (CHI96LA101)

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NTSB Identification: CHI96LA101.
The docket is stored in the (offline) NTSB Imaging System.

Accident occurred MAR-01-96 at PITTSBURG, KS
Aircraft: Piper PA-28-140, registration: N95394
Injuries: 2 Uninjured.

The pilot stated that she and her passenger became incapacitated after takeoff. The airplane impacted the terrain. Both occupants were hospitalized for observation and testing for carbon monoxide. Tests were positive for carbon monoxide. A subsequent examination of the muffler system found holes in the muffler. An annual inspection had been performed 4 flight-hours prior to the accident, on 2/20/96.

Probable Cause
an inadequate annual inspection by maintenance personnel, a deteriorated muffler, and pilot incapacitation due to carbon monoxide.