NTSB Identification: FTW90FA141.
The docket is stored on NTSB microfiche number 41563.
Accident occurred Sunday, July 15, 1990 in GARFIELD, CO
Probable Cause Approval Date: 10/02/1992
Aircraft: PIPER PA-28-161, registration: N8102C
Injuries: 1 Fatal,1 Serious.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

WITNESSES OBSERVED THE AIRPLANE 1/2 MILE AWAY FROM MONARCH PASS, FLYING TOWARD THE PASS. THEY SAID IT PASSED UNDER HIGH VALTAGE POWER LINES THAT WERE ACROSS THE VALLEY, FLYING JUST ABOVE THE TREES. IT STARTED A NOSE HIGH RIGHT TURN. THEN ABRUPTLY TURNED LEFT, AND DROPPED NOSE DOWN TOWARD THE TREES. IT IMPACTED AT 10,800 FEET MSL. DENSITY ALTITUDE WAS CALCULATED AT 13,200 FEET. MONARCH PASS IS 11,312 FEET MSL. THE GROSS WEIGHT AND THE CG WERE WITHIN LIMITS. NO PRE-IMPACT PROBLEMS COULD BE FOUND WITH THE AIRPLANE OR ENGINE.

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

THE PILOT'S DECISION TO FLY INTO THE MOUNTAIN PASS AND THE SUBSEQUENT INABILITY TO MAINTAIN ADEQUATE GROUND CLEARANCE.

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