NTSB Identification: SEA82DA021
14 CFR Part 91: General Aviation
Accident occurred Thursday, January 28, 1982 in SUNRIVER, OR
Probable Cause Approval Date: 01/28/1983
Aircraft: CESSNA 340A, registration: N4604N
Injuries: 2 Uninjured.

THE INSTRUCTOR WAS PROVIDING DUAL INSTRUCTION TO A PRIVATE PILOT WITH NO PREVIOUS TIME IN THIS NOR ANY MULTI- ENGINE AIRCRAFT. ALSO, THE PIRVATE PILOT HAD NOT FLOWN WITHIN THE PREVIOUS 90 DAYS. HE INITIATED A TAKEOFF ON RUNWAY 18 WITH THE WIND FROM 210 DEGREES AT 5 KNOTS. THE RUNWAY WAS COVERED WITH PACKED DRY SNOW. IT CONTAINED RUTS AND HAD HIGH SNOW PILED ALONG THE EDGES. WHILE ROLLING, THE AIRCRAFT DRIFTED LEFT AND THE LEFT WING STRUCK A SNOWBANK. THE PLANE THEN VEERED OFF THE RUNWAY AND WAS SUBSTANTIALLY DAMAGED.

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

DIRECTIONAL CONTROL..NOT MAINTAINED..DUAL STUDENT

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

SUPERVISION..INADEQUATE..PILOT IN COMMAND(CFI)


Contributing Factors

AIRPORT FACILITIES,RUNWAY/LANDING AREA CONDITION..ROUGH/UNEVEN


Contributing Factors

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


Contributing Factors

LACK OF FAMILIARITY WITH AIRCRAFT..DUAL STUDENT



Contributing Factors

AIRPORT FACILITIES,RUNWAY/LANDING AREA CONDITION..SNOWBANK

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