NTSB Identification: MKC86FA082.
The docket is stored on NTSB microfiche number 30302.
Accident occurred Monday, April 07, 1986 in FALL RIVER, KS
Aircraft: HILLER UH-12B, registration: N5307V
Injuries: 1 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.

THE HELICOPTER FLEW THROUGH THE TOPS OF TREES NEXT TO A PLOWED FIELD AND IMPACTED ALMOST STRAIGHT DOWN IN THE PLOWED FIELD AND NOSED OVER TO THE INVERTED POSITION. THE PILOT STATED THAT HE HAD INTENDED TO LAND IN THE FIELD AND ALLOWED THE AIRSPEED AND MAIN ROTOR RPM TO DECREASE DURING THE DESCENT. AFTER HE SAW THE TREES, IT WAS TOO LATE TO RECOVER.

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

PLANNED APPROACH..IMPROPER..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:

ROTOR RPM..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

OBJECT..TREE(S)

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