NTSB Identification: NYC85FA015.
The docket is stored on NTSB microfiche number 27105.
Accident occurred Sunday, October 28, 1984 in BUTLER, PA
Aircraft: Enstrom 280C, registration: N51686
Injuries: 2 Fatal.

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 STRUCK THE STATIC LINE OF A HIGH VOLTAGE TRANSMISSION LINE WHILE ON A FLT TO PHOTOGRAPH AN APARTMENT COMPLEX. THE OWNER OF THE COMPLEX ACCOMPANIED THE PLT ON THE FLT, THERE AFTER THE ACFT WAS TO BE USED FOR PASSENGER SIGHTSEEING FLTS AS PART OF SALES PROMOTION FOR A RESTAURANT. INVESTIGATION REVEALED THE REAR OF THE HELICOPTER STRUCK THE LINE, THE ACFT PITCHED DOWN & HIT THE HILLSIDE & CONTINUED ITS CRASH TRAJECTORY ONTO HWY 68. EXAMINATION OF THE ACFT DID NOT REVEAL ANY PREIMPACT MALFUNCTIONS OR FAILURES.

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

CLEARANCE..NOT MAINTAINED..PILOT IN COMMAND

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

PROPER DESCENT RATE..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY


Contributing Factors

OBJECT..WIRE,STATIC

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