NTSB Identification: DEN88LA143.
The docket is stored on NTSB microfiche number 36831.
Accident occurred Friday, July 01, 1988 in GUNNISON, CO
Probable Cause Approval Date: 07/10/1989
Aircraft: MOONEY M-20K, registration: N231PG
Injuries: 1 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE PLT STATED THAT THE AIRCRAFT HAD AN ELECTRICAL PROBLEM APPROXIMATELY 20 MILES FROM GUNNISON. HE CONTINUED HIS FLIGHT AND ENTERED THE TRAFFIC PATTERN AT GUNNISON AIRPORT. HE SAID THAT AS HE TURNED TO BASE LEG, THE ENGINE QUIT. THERE REMAINED INSUFFICIENT ALTITUDE TO REACH THE RUNWAY. SUBSEQUENT EXAMINATION AND TESTING OF THE ENGINE-DRIVEN FUEL PUMP/CONTROLLER REVEALED A LARGE FUEL LEAK AROUND THE MIXTURE CONTROL SHAFT LIMITING THE AMOUNT AND PRESSURE OF FUEL THAT COULD REACH THE ENGINE.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FLUID,FUEL..STARVATION

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

MIXTURE CONTROL..LEAK


Contributing Factors

TERRAIN CONDITION..SOFT

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