Aviation Accident Summaries

Aviation Accident Summary SEA92LA066

SOLDIER SUMMIT, UT, USA

Aircraft #1

N582MK

AVID AIRCRAFT MARK IV

Analysis

ONE OF 3 AVID AIRCRAFT MARK IV'S IN A CROSS COUNTRY FLIGHT ENCOUNTERED A TOTAL POWER LOSS WHILE CRUISING AT 8500 FEET MSL. THE PILOT WAS UNABLE TO RESTART THE ENGINE AND EXECUTED A FORCED LANDING ON SNOW COVERED TERRAIN DURING WHICH THE AIRCRAFT NOSED OVER. THE AIRCRAFT HAD SUSTAINED A SIMILAR POWER LOSS ON THE PREVIOUS DAY'S FLIGHT AND THE ENGINE DRIVEN PULSE TYPE FUEL PUMP HAD BEEN REPLACED 147 HOURS PREVIOUS IN ANOTHER POWER LOSS OCCURRENCE. THE PILOT REPORTED THAT INSUFFICIENT FUEL PUMP PRESSURE RESULTED IN FUEL STARVATION AND THE SUBSEQUENT POWER LOSS.

Probable Cause and Findings

THE FUEL PUMP DELIVERING TOO LOW FUEL PRESSURE. A FACTOR CONTRIBUTING TO THE ACCIDENT WAS THE SNOW COVERED TERRAIN.

 

Source: NTSB Aviation Accident Database

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