NTSB Identification: SEA84LA028.
The docket is stored on NTSB microfiche number 22414.
Accident occurred Monday, December 26, 1983 in DRIGGS, ID
Aircraft: CESSNA A-185F II, registration: N8344Q
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.

THE ACFT COLLIDED WITH A HIDDEN SNOW BERM WHILE LANDING ON A SNOW COVERED RWY. THE NEW SNOW WAS 2 TO 3 INCHES DEEP OVER A COMPACTED SNOW BASE. THE RWY WAS PLOWED TO A WIDTH OF 30 TO 35 FT WITH 3 FT BERMS. THE PLT STATED THAT HE ENCOUNTERED A WHITEOUT DURING LANDING AND THE ACFT STRUCK A BERM DURING ROLLOUT. HE LOST CONTROL AND THE LEFT WING AND STABILIZER WERE DAMAGED. THE PLT DID NOT RECEIVE A WEATHER BRIEFING AND NO FLT PLAN WAS FILED.

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

VISUAL LOOKOUT..NOT POSSIBLE..PILOT IN COMMAND

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

DIRECTIONAL CONTROL..NOT POSSIBLE..PILOT IN COMMAND

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

GROUND LOOP/SWERVE..UNCONTROLLED..PILOT IN COMMAND

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

PREFLIGHT BRIEFING SERVICE..NOT USED..PILOT IN COMMAND

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

AIRPORT SNOW REMOVAL..INADEQUATE..AIRPORT PERSONNEL


Contributing Factors

TERRAIN CONDITION..SNOWBANK


Contributing Factors

AIRPORT FACILITIES,RUNWAY/LANDING AREA CONDITION..SNOW COVERED

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