NTSB Identification: LAX91LA127.
The docket is stored on NTSB microfiche number 43263.
Nonscheduled 14 CFR
Accident occurred Friday, March 08, 1991 in HONOLULU, HI
Probable Cause Approval Date: 03/31/1993
Aircraft: BELL 206B, registration: N2072C
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.

IN WRITTEN AND ORAL STATEMENTS PROVIDED BY THE PILOT AND PASSENGER, THE AIRCRAFT'S ENGINE WAS STARTED ABOUT 1420 HOURS HST. THE HELICOPTER DEPARTED HONOLULU, HAWAII, FOR A RESEARCH VESSEL LOCATED ABOUT 130 NAUTICAL MILES SOUTH. THE PILOT WAS NOT ABLE TO LOCATE THE SHIP AND DECIDED TO RETURN TO HONOLULU. THE PILOT ESTABLISHED RADIO CONTACT WITH HONOLULU TRACON AND REPORTED MINIMUM FUEL STATUS. ABOUT 15 NAUTICAL MILES SOUTH OF HONOLULU, THE ENGINE LOST TOTAL POWER DUE TO FUEL EXHAUSTION. THE PILOT SUCCESSFULLY AUTOROTATED TO THE WATER, BUT AFTER TOUCHING DOWN THE RIGHT FORWARD EMERGENCY FLOTATION GEAR DEFLATED, CAUSING THE AIRCRAFT TO SINK.

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

INACCURATE FUEL CONSUMPTION CALCULATION BY THE PILOT. A FACTOR WAS THE PARTIAL DEFLATION OF THE EMERGENCY FLOTATION EQUIPMENT.

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