NTSB Identification: CHI86FA172.
The docket is stored on NTSB microfiche number 33227.
Accident occurred Wednesday, July 16, 1986 in NORTON SHORES, MI
Probable Cause Approval Date: 04/25/1988
Aircraft: CESSNA 441, registration: N6857E
Injuries: 3 Fatal,3 Serious.

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.

N6857E WAS TRANSPORTING EXECUTIVES FROM HOLLAND, MI, TO MUSKEGON. THE PILOT WAS EXECUTING AN ASR APPROACH TO RUNWAY 06. THE MDA IS 537 FT AGL. CO-PILOT CALLED OUT 1200 FEET THEN BELOW 1000 FEET, PILOT CONTINUED APPROACH. AIRCRAFT STRUCK TREES TWO MILES FROM RUNWAY AT 15 FEET AGL. THE APPROACH WAS CONDUCTED IN HEAVY FOG CONDITIONS. THE PILOT HAD DESCENDED BELOW APPROACH MINIMUMS ON SEVERAL OCCASIONS IN THE PAST.

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

IN-FLIGHT PLANNING/DECISION..POOR..PILOT IN COMMAND

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

IFR PROCEDURE..IMPROPER USE OF..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:

DECISION HEIGHT..EXCEEDED..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

WEATHER CONDITION..FOG


Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND


Contributing Factors

SELF-INDUCED PRESSURE..PILOT IN COMMAND



Contributing Factors

VISUAL LOOKOUT..NOT POSSIBLE..COPILOT/SECOND PILOT


Contributing Factors

OBJECT..TREE(S)

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