NTSB Identification: SEA84MA016.
The docket is stored on NTSB microfiche number 22600.
Nonscheduled 14 CFR
Accident occurred Saturday, November 05, 1983 in CHALLIS, ID
Aircraft: de Havilland DHC-2, registration: N9006
Injuries: 4 Fatal.

NTSB investigators traveled in support of this investigation and used data obtained from various sources to prepare this aircraft accident report.

THE PLT TOOK OFF FROM THE SIMPLOT RANCH AIRSTRIP WHICH WAS LOCATED BESIDE THE MIDDLE FORK OF THE SALMON RIVER, APRX 27 MI NORTHWEST OF CHALLIS, ID. HE DEPARTED DOWNRIVER TOWARD THE NORTHEAST, BUT THE DESTINATION WAS A USFS STRIP ABOUT 7 MI UPRIVER TO THE SOUTHWEST. A COURSE REVERSAL NORMALLY WOULD HAVE BEEN MADE ABOUT 6 MI DOWNRIVER. HOWEVER, A TURN- AROUND WAS ATTEMPTED OVER A RELATIVELY SHALLOW (BENCH) AREA ON THE WEST SIDE OF THE RIVER, ABOUT 1-1/4 MI FROM THE DEPARTURE STRIP; WHERE, ACCORDING TO THE OPERATOR, IT COULD HAVE BEEN MADE UNDER IDEAL CONDITIONS. THE ACFT CRASHED IN THE BENCH AREA WHILE ON A WESTERLY HEADING. IT CAME TO REST IN AN UPRIGHT ATTITUDE WITH LITTLE EVIDENCE OF FORWARD VELOCITY, BUT WITH SEVERE VERTICAL COLLAPSE. NO EVIDENCE OF A PREIMPACT MECHANICAL MALFUNCTION OR FAILURE WAS FOUND.

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:

CLEARANCE..INADEQUATE..PILOT IN COMMAND

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

AIRSPEED..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY


Contributing Factors

TERRAIN CONDITION..HIGH TERRAIN


Contributing Factors

TERRAIN CONDITION..RISING

Index for Nov1983 | Index of months