NTSB Identification: ANC88LA026.
The docket is stored on NTSB microfiche number 34931.
Accident occurred Sunday, January 17, 1988 in ILIAMNA, AK
Probable Cause Approval Date: 03/30/1989
Aircraft: CESSNA 172, registration: N9974V
Injuries: 1 Serious,2 Minor.

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 WAS MANEUVERING AT LOW ALTITUDE IN LOW VISIBILITY WHEN HE ENCOUNTERED A COMPLETE WHITE-OUT CONDITION. THE PILOT LOST CONTROL IN FLIGHT AND CRASHED ON A FROZEN LAKE.

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

FLIGHT INTO KNOWN ADVERSE WEATHER..CONTINUED..PILOT IN COMMAND

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

IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND

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

SPATIAL DISORIENTATION..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..FOG


Contributing Factors

WEATHER CONDITION..ICING CONDITIONS


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

WEATHER CONDITION..WHITEOUT


Contributing Factors

LIGHT CONDITION..DARK NIGHT

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