NTSB Identification: FTW84FA321.
The docket is stored on NTSB microfiche number 24951.
Accident occurred Tuesday, July 24, 1984 in DALLAS, TX
Aircraft: BELL 206B, registration: N16981
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.

WITNESSES OBSERVED THE HELICOPTER CIRCLING A 523 FT, FREE STANDING, COMMUNICATIONS TOWER. AFTER CIRCLING SEVERAL TIMES, HELICOPTER PASSED CLOSE TO THE TOWER & A MAIN ROTOR BLADE STRUCK IT AT THE 451 FT LEVEL. THE OUTBOARD PORTION OF THE ROTOR BLADE SEPARATED AS WELL AS SOME PORTIONS OF THE TOWER, INCLUDING A X-BRACE. THE HELICOPTER THEN SPUN & TUMBLED TO THE GROUND. IT IMPACTED IN A NOSE-LOW, INVERTED ATTITUDE & BURNED. NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FOUND.

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

CLEARANCE..MISJUDGED..PILOT IN COMMAND

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

DIVERTED ATTENTION..PILOT IN COMMAND


Contributing Factors

OBJECT..ELECTRICAL TOWER(MARKED)

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