NTSB Identification: SEA93LA107.
The docket is stored on NTSB microfiche number 50384.
Accident occurred Thursday, May 13, 1993 in CODY, WY
Probable Cause Approval Date: 02/10/1994
Aircraft: ROBINSON R-22B, registration: N14NH
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 USED MAXIMUM POWER TO FLY OVER A MOUNTAIN PASS AND DECIDED TO MAKE A PRECAUTIONARY LANDING AFTER CROSSING THE SUMMIT WHEN THE OIL TEMP REACHED THE MAXIMUM FOR NORMAL OPERATION. HE MADE AN APPROACH TO AN OGE HOVER, THEN FLEW A TRAFFIC PATTERN FOR LANDING. HE MADE AN APPROACH TO A HOVER, ELECTED TO HOVER TAXI TO A SUITABLE LANDING SITE, ENCOUNTERED A GUST OF WIND, AND LOST DIRECTIONAL CONTROL. THE ACFT LOST ROTOR RPM, DESCENDED UNCONTROLLED AND IMPACTED THE GROUND. THE DENSITY ALTITUDE AT THE SITE WAS ABOUT 9380 FT.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: THE FAILURE OF THE PILOT TO MAINTAIN DIRECTIONAL CONTROL WHILE HOVERING. FACTORS RELATING TO THE ACCIDENT WERE THE IMPROPER DECISION BY THE PILOT, IMPROPER TOUCHDOWN POINT SELECTION, HIGH DENSITY ALTITUDE, AND WIND GUSTS.
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