NTSB Identification: DCA85AA012.
The docket is stored on NTSB microfiche number 26899.
Scheduled 14 CFR
Accident occurred Monday, February 04, 1985 in SOLDOTNA, AK
Aircraft: BEECH 65-A80, registration: N50NP
Injuries: 9 Fatal.

DURING ARRIVAL, THE CREW OF NPA FLT 1802 CONTACTED THE COMPANY WX OBSERVER AT SOLDOTNA WHO ADVISED THE WX WAS: WND CALM,CEILING 600 TO 800 FT, VIS 8 TO 10 MI, NO PRECIP. THEY MADE AN NDB APCH, BUT MISSED THE APCH & REQUESTED ANOTHER APCH. APRX 1 MIN LATER, THE CREW REPORTED THE ACFT HAD ACCUMULATED A HVY LOAD OF ICE. THEY COULD HAVE DIVERTED NEARBY TO KENAIFOR AN ILS APCH, BUT ELECTED TO MAKE A VOR APCH BACK TO SOLDOTNA. WHILE BEING VECTORED, THEY MADE 2 MORE CHECKS WITH THEWX OBSERVER WHO ADVISED THE WX HAD DETERIORATED TO BELOW MINS & RECOMMENDED DIVERTING, BUT THE CREW DID NOT ACKNOWLEDGE.SUBSEQUENTLY, THE ACFT COLLIDED WITH TREES ON HI TERRAIN APRX 1.5 MI SE OF THE ARPT. THERE WAS EVIDENCE THE ACFT WAS CIRCLING WHEN IT CRASHED. CIRCLING WAS NOT AUTHORIZED SOUTH OF RWY 7/25. INV REVEALED RECURRING PRBLMS WITH THE ANTI-ICESYS, ITS 'SINGLE' MODE WAS INOP, 2 DE-ICE BOOTS WERE MISSING FM PROP BLADES. WX STATION LISTED ONLY 1 LGTD MARKER (1/4 MI AWAY) FOR VIS REF; MIN LNDG VIS WAS 1 MI; CEILOMETER WAS INOP. NO FAA INSPN OF WX STATION IN 2 YRS. ICG FORCASTED.

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:

MISSED APPROACH..IMPROPER..PILOT IN COMMAND

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

MINIMUM DESCENT ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

ANTI-ICE/DEICE SYSTEM..INADEQUATE


Contributing Factors

MAINTENANCE..INADEQUATE..COMPANY MAINTENANCE PERSONNEL


Contributing Factors

INADEQUATE SURVEILLANCE OF OPERATION..FAA(ORGANIZATION)


Contributing Factors

OPERATION WITH KNOWN DEFICIENCIES IN EQUIPMENT..PERFORMED..PILOT IN COMMAND


Contributing Factors

OTHER AIRPORT/RUNWAY MAINTENANCE..NOT MAINTAINED..COMPANY/OPERATOR MANAGEMENT


Contributing Factors

INADEQUATE SURVEILLANCE OF OPERATION..FAA(ORGANIZATION)


Contributing Factors

METEOROLOGICAL SERVICE..INADEQUATE..COMPANY/OPERATOR MANAGEMENT


Contributing Factors

INADEQUATE SURVEILLANCE OF OPERATION..FAA(ORGANIZATION)


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

WEATHER CONDITION..FOG


Contributing Factors

WEATHER CONDITION..RAIN


Contributing Factors

WEATHER CONDITION..ICING CONDITIONS


Contributing Factors

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


Contributing Factors

WING..ICE


Contributing Factors

WEATHER CONDITION..BELOW APPROACH/LANDING MINIMUMS



Contributing Factors

NOT PERFORMED..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..HIGH TERRAIN


Contributing Factors

OBJECT..TREE(S)

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