NTSB Identification: SEA84LA138.
The docket is stored on NTSB microfiche number 24712.
Accident occurred Tuesday, June 19, 1984 in LA GRANDE, OR
Aircraft: CESSNA 170A, registration: N9231A
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.

DURING THE LANDING ROLL, THE ACFT VEERED TO THE RIGHT. THE PLT APPLIED LEFT RUDDER, BUT THIS DID NOT HELP. SUBSEQUENTLY, THE ACFT WENT OFF THE RWY & THE LEFT MAIN GEAR SANK INTO SOFT GROUND & COLLAPSED. AN EXAM OF THE ACFT WAS MADE, BUT NO REASON WAS FOUND FOR THE RIGHT BRAKE TO LOCK.

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

REASON FOR OCCURRENCE UNDETERMINED


Contributing Factors

TERRAIN CONDITION..SOFT


Contributing Factors

LANDING GEAR,MAIN GEAR..OVERLOAD


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