NTSB Identification: LAX89LA072.
The docket is stored on NTSB microfiche number 38181.
Accident occurred Thursday, December 29, 1988 in GRASS VALLEY, CA
Probable Cause Approval Date: 11/24/1989
Aircraft: BEECH A24R, registration: N8018R
Injuries: 4 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.

AT THE END OF A CROSS COUNTRY FLIGHT, DURING THE LANDING ROLL, THE AIRPLANE BEGAN TO SLIDE TO THE LEFT. THE PILOT WAS UNABLE TO REGAIN CONTROL DUE TO THE PATCHY SNOW AND ICE ON THE RUNWAY. THE AIRPLANE EXITED THE RUNWAY AND COLLIDED WITH A SNOW BANK. THERE WERE NO REPORTED MECHANICAL FAILURES OR MALFUNCTIONS AT THE TIME OF THE ACCIDENT. A NOTAM WAS IN EFFECT AT THE TIME OF THE ACCIDENT WHICH REPORTED THAT THE RUNWAY WAS CLOSED DUE TO THE ICY CONDITIONS.

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

DIRECTIONAL CONTROL..NOT MAINTAINED..PILOT IN COMMAND

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

PREFLIGHT PLANNING/PREPARATION..POOR..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..SNOWBANK


Contributing Factors

WEATHER CONDITION..CROSSWIND


Contributing Factors

TERRAIN CONDITION..ICY


Contributing Factors

NOTAMS..NOT IDENTIFIED..PILOT IN COMMAND

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