NTSB Identification: FTW85LA043.
The docket is stored on NTSB microfiche number 26254.
Accident occurred Saturday, November 03, 1984 in TERLINGUA, TX
Aircraft: BELL 47D1, registration: N93067
Injuries: 2 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.

SHORTLY AFTER THE PLT TOOK OFF ON A SIGHT-SEEING FLT, THE ENG LOST POWER WHEN THE HELICOPTER WAS OVER ROUGH TERRAIN AT ABOUT 200 FT AGL. DURING AN AUTOROTATIVE LANDING, THE HELICOPTER ROCKED FORWARD CAUSING THE MAIN ROTOR BLADES TO STRIKE THE TAIL BOOM. ACCORDING TO THE PLT, THE POWER LOSS WAS DUE TO A SMALL AMOUNT OF WATER IN THE FUEL.

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

FLUID,FUEL..WATER

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

AIRCRAFT PREFLIGHT..IMPROPER..PILOT IN COMMAND



Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN

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