NTSB Identification: LAX82FA364
14 CFR Part 91: General Aviation
Accident occurred Monday, September 27, 1982 in MAMMOTH LAKES, CA
Probable Cause Approval Date: 09/27/1983
Aircraft: MOONEY M-20K, registration: N4024H
Injuries: 1 Fatal.

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.

THE PLT CALLED MAMMOTH UNICOM & ADVISED HE WAS 10 MI OUT FOR LANDING. HE WAS ADVISED THAT HE SHOULD USE RWY 27. THE ACFTCRASHED INTO A LAKE ABOUT 6 MI EAST OF THE ARPT. TOXICOLOGICAL TESTS REVEALED A COCAINE LEVEL OF 40.0 MCG/ML IN THE PLT'S URINE.

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

ALTITUDE..MISJUDGED..PILOT IN COMMAND

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