NTSB Identification: SEA83LA153.
The docket is stored on NTSB microfiche number 21085.
Accident occurred Saturday, April 16, 1983 in ROGUE RIVER, OR
Aircraft: Brantly Helicopter B2, registration: N5955X
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.

THE HELICOPTER ROLLED OVER DURING LIFT OFF WITH PILOT AND ONE PASSENGER AND A FULL LOAD OF FUEL. ON A PREVIOUS FLT WITH ONE PASSENGER AND 8 GALLONS OF FUEL THE PILOT HAD NOTICED THE LEFT SKID WAS ABOUT 8 INCHES LOWER THAN THE RIGHT DURING LIFT OFF. ON THE DAY OF THE ACCIDENT THE LEFT SKID DID NOT BREAK GROUND CONTACT UNTIL THE RIGHT SKID WAS ABOUT 18 INCHESOFF THE GROUND. AN ATTEMPT TO STOP THE ROLL OVER WITH CYCLIC WAS UNSUCCESSFUL. THIS WAS THE PILOTS FIRST LIFT OFF IN THEB-2 WITH A PASSENGER AND A FULL LOAD (ABOUT 31 GALLONS) OF FUEL.

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

AIRCRAFT WEIGHT AND BALANCE..MISJUDGED..PILOT IN COMMAND

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

LACK OF FAMILIARITY WITH AIRCRAFT..PILOT IN COMMAND

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

ADEQUATE ROTOR RPM..NOT MAINTAINED..PILOT IN COMMAND

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