NTSB Identification: CHI86FA108.
The docket is stored on NTSB microfiche number 31768.
Accident occurred Sunday, March 23, 1986 in BOYNE FALLS, MI
Aircraft: PIPER PA-46-310P, registration: N43769
Injuries: 2 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

AFTER THE PLT WAS CLEARED FOR AN RNAV-B APCH, THE ACFT CRASHED ON HILLY TRRN APRX 3 MI SE OF THE ARPT AT AN ELEV OF 750'MSL. IMPACT OCCURRED AFTER THE ACFT HAD TURNED TO THE SSE & WAS DSCNDG. MIN DSCNT ALT (MDA) FOR THE APCH WAS 1680'. NO PREIMPACT MECHANICAL PROBLEMS WERE FND. APRX 4 HRS BFR TAKEOFF, FSS PSNL PROVIDED A WX BRIEFING. THERE WAS NO WX RPRTG STN AT THE DESTN, BUT THE AREA FORECAST WAS FOR MARGINAL VMC WITH ISOLATED VISIBILITIES OF 3 TO 5 MI IN LGT SNW SHOWERS.PELLSTON (APRX 25 MI AWAY) WAS FORECAST FOR A CHANCE OF 1200' OVERCAST & 3 MI VIS WITH LGT SNW SHOWERS, BUT THIS INFO WAS NOT GIVEN TO THE PLT. LATER, WHEN THE PLT FILED AN IFR FLT PLAN, HE DID NOT UPDATE HIS WX BRIEFING. WHILE EN ROUTE, HE CHECKED THE PELLSTON & TRAVERSE CITY WX & WAS ADVISED THEY HAD INDEF OR OBSCD CEILINGS OF 1500' OR LESS WITH GUSTY WNDS & LGT SNW SQUALLS. ACCORDING TO WITNESSES, THERE WERE SNW SHOWERS OR SQUALLS IN THE ACDNT AREA WITH 1/4 TO 3/4 MI VIS. THE MISSED APCH PROCEDURE CALLED FOR: RGT CLIMBING TURN TO 3000', PROCEED TO THE IAF (8 MI SOUTH OF ARPT) & HOLD.

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

IFR PROCEDURE..NOT FOLLOWED..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

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

DESCENT..NOT CORRECTED..PILOT IN COMMAND


Contributing Factors

PREFLIGHT PLANNING/PREPARATION..INADEQUATE..PILOT IN COMMAND


Contributing Factors

PREFLIGHT BRIEFING SERVICE..INADEQUATE..ATC PERSONNEL(FSS)


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

WEATHER CONDITION..SNOW


Contributing Factors

WEATHER CONDITION..HIGH WIND


Contributing Factors

WEATHER CONDITION..GUSTS


Contributing Factors

WEATHER CONDITION..OBSCURATION


Contributing Factors

WEATHER CONDITION..BELOW APPROACH/LANDING MINIMUMS

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