NTSB Identification: DEN88LA131.
The docket is stored on NTSB microfiche number 36024.
Accident occurred Saturday, June 18, 1988 in AYR, ND
Probable Cause Approval Date: 02/28/1989
Aircraft: GRUMMAN G-164, registration: N455Y
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 AIRCRAFT WAS PASSING UNDER WIRES WHICH CROSSED THE END OF THE FIELD BEING SPRAYED. TWELVE SWATH RUNS HAD BEEN COMPLETED AND DURING THE ENTRY TO THE 13TH AND LAST SWATH RUN, THE AIRCRAFT ENCOUNTERED A GUST OF WIND OR VORTICES FROM THE PREVIOUS RUN. UPON ENCOUNTERING THE TURBULENCE, THE RIGHT WING LIFTED, COLLIDED WITH THE POWERLINE AND THE AIRCRAFT CRASHED.

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

CLEARANCE..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

OBJECT..WIRE,TRANSMISSION


Contributing Factors

WEATHER CONDITION..TURBULENCE,CLEAR AIR

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