NTSB Identification: CHI88DEP11.
The docket is stored on NTSB microfiche number 37651.
Accident occurred Wednesday, August 17, 1988 in PLOVER, WI
Probable Cause Approval Date: 09/11/1989
Aircraft: Grumman-Schweizer G-164A, registration: N8495
Injuries: 1 Uninjured.

THE AIRCRAFT COLLIDED WITH A FARM MACHINERY SHED DURING AN AERIAL APPLICATION MANEUVER. THE PILOT STATED THAT THERE WAS NO POWERPLANT OR CONTROL MALFUNCTION. THE TEMPERATURE AT THE ACCIDENT SITE WAS 87 DEGREES (F), WITH A CALCULATED DENSITY ALTITUDE OF 2944 FEET. THE PILOT STATED THAT AN ENE WIND OFF A RIDGE JUST EAST OF THE FLIGHT PATH CREATED TURBULENCE.

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

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

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

STALL/MUSH


Contributing Factors

WEATHER CONDITION..TURBULENCE


Contributing Factors

WEATHER CONDITION..HIGH DENSITY ALTITUDE


Contributing Factors

AIRCRAFT PERFORMANCE,CLIMB CAPABILITY..EXCEEDED



Contributing Factors

OBJECT..TREE(S)


Contributing Factors

OBJECT..BUILDING(NONRESIDENTIAL)

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