NTSB Identification: LAX85LA332.
The docket is stored on NTSB microfiche number 28933.
Accident occurred Sunday, July 28, 1985 in POSTON, AZ
Aircraft: Gulfstream-Schweizer GULFSTREAM AM G-164B, registration: N8133K
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.

THE PLT REPORTED WEATHER CONDITIONS DURING THE NIGHT AERIAL APPLICATION FLT WERE 'CLEAR AND WINDS OF 15 KTS WITH GUSTS TO 20 KTS. AFTER THREE UNSUCCESSFUL ATTEMPTS TO LINE UP FOR THE SPRAY RUN, THE PLT SAID HE ALLOWED THE ACFT TO 'GET TOO LOW AND SLOW' WHILE TURNING FOR ANOTHER RUN AND WAS LATE RECOGNIZING THE PROBLEM AND ADDING POWER. AS THE ACFT SETTLED TOWARD THE GROUND, THE PLT TRIED TO JETTISON THE HOPPER LOAD WITH LESS THAN FULL DUMP GATE CONTROL HANDLE MOVEMENT, BUT THE GATE DID NOT FUNCTION. AFTER TOUCHDOWN IN THE PLOWED FIELD, THE ACFT NOSED OVER. FUNCTIONAL TESTING OF THE DUMP GATE AFTER THE ACCIDENT REVEALED THAT IT WORKED WITH FULL CONTROL HANDLE MOVEMENT.

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

PROPER ALIGNMENT..NOT ATTAINED..PILOT IN COMMAND

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

AIRSPEED..NOT MAINTAINED..PILOT IN COMMAND

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

STALL/MUSH..NOT CORRECTED..PILOT IN COMMAND

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