NTSB Identification: DEN92LA054.
The docket is stored on NTSB microfiche number 46920.
Accident occurred Tuesday, May 26, 1992 in BOULDER, CO
Probable Cause Approval Date: 03/09/1993
Aircraft: CESSNA T210H, registration: N57AB
Injuries: 2 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 PILOT SAID HE TOOK OFF, RETRACTED THE LANDING GEAR, AND CLIMBED TO AN ALTITUDE OF ABOUT 100 FEET WHEN THE ENGINE SUDDENLY LOST POWER. THE PILOT EXTENDED THE LANDING GEAR FOR AN ON AIRPORT FORCED LANDING. WHEN THE AIRPLANE TOUCHED DOWN, THE NOSE GEAR HAD EXTENDED AND LOCKED BUT THE MAIN GEARS WERE ONLY PARTIALLY EXTENDED. THE PILOT WAS UNABLE TO MAINTAIN DIRECTIONAL CONTROL AND THE AIRPLANE SKIDDED OFF THE RUNWAY. POST ACCIDENT EXAMINATION DISCLOSED THE ENGINE DRIVEN FUEL PUMP COULD NOT PRODUCE RATED PRESSURE AT HIGH POWER SETTINGS. IN ADDITION, THERE WAS A HOLE IN THE UPPER DECK REFERENCE LINE DUE TO CHAFING AGAINST THE GENERATOR MOUNTING BRACKET.

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

POWER LOSS DUE TO LOW FUEL PUMP PRESSURE AND A CHAFED UPPER DECK REFERENCE LINE. A FACTOR WAS: THE PILOT'S INABILITY TO MAINTAIN DIRECTIONAL CONTROL DUE TO A PARTIALLY EXTENDED MAIN LANDING GEAR.

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