NTSB Identification: CHI85LA124.
The docket is stored on NTSB microfiche number 28459.
Nonscheduled 14 CFR
Accident occurred Tuesday, February 26, 1985 in TRAVERSE CITY, MI
Aircraft: BEECH A36, registration: N1816M
Injuries: 1 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.

ACCORDING TO THE PLT, NO ICING PIREPS OR SIGMETS WERE RECEIVED DURING HIS PREFLT WX BRIEFING. HOWEVER, THE NWS BRIEFER STATED THAT HE TOLD HIM OF ONE PIREP & ONE SIGMET CONCERNING ICING THAT AFFECTED HIS PROPOSED ROUTE OF FLT. EN ROUTE TO HIS DESTINATION, THE PLT HAD TO DIVERT DUE TO LOW CEILINGS. HE THEN BEGAN TO NOTICE ICE ON HIS WINGS AS HE FLEW THRU HEAVY RAIN. HE BEGAN AN INSTRUMENT APPROACH WITH A ONE INCH BUILDUP OF ICE. AS THE ICING INCREASED, HE USED FULL POWER TO MAINTAIN A SAFE SPEED MARGIN. OVER THE APPROACH LIGHTS, HE REDUCED POWER SLIGHTLY & LOWERED THE GEAR. THE AIRSPEED DROPPED RAPIDLY & THE LEFT WING STALLED. SUBSEQUENTLY, THE ACFT IMPACTED A SNOW BANK APRX 40 FT SHORT OF THE RWY & WAS DAMAGED. AN EXAM OF THE ACFT REVEALED A ONE INCH THICK LAYER OF MIXED RIME & CLEAR ICE ON THE LEADING EDGES OF THE WINGS & TAIL SURFACES.

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

PLANNING/DECISION..IMPROPER..PILOT IN COMMAND

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

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

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

WING..ICE


Contributing Factors

AIRCRAFT PERFORMANCE,LANDING CAPABILITY..DETERIORATED


Contributing Factors

TERRAIN CONDITION..SNOWBANK



Contributing Factors

WEATHER CONDITION..BELOW APPROACH/LANDING MINIMUMS



Contributing Factors

WEATHER CONDITION..RAIN


Contributing Factors

WEATHER CONDITION..ICING CONDITIONS


Contributing Factors

STABILIZER..ICE

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