NTSB Identification: LAX85FA280.
The docket is stored on NTSB microfiche number 30233.
Accident occurred Sunday, June 16, 1985 in MANHATTAN BEACH, CA
Aircraft: ROBINSON R22, registration: N8360J
Injuries: 2 Uninjured.

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 WAS TO FLY IN FORMATION WITH A BANNER TOWED BY AN ACFT 'TO ATTRACT ATTENTION.' NUMEROUS WITNESSES ALONG A 20-MILE STRETCH OF BEACH SAW THE HELICOPTER 'FLYING ERRATICALLY' & 'BUZZING THE BEACH' JUST PRIOR TO THE ACCIDENT. WITNESSES SAW THE HELICOPTER PULL UP TO A NEAR HOVER AT 70 FT AGL, PIVOT 270 DEGREES TO FACE THE BEACH THEN DESCEND STRAIGHT DOWN INTO THE WATER. LIFEGUARDS REPORTED THAT THE ONSHORE WINDS WERE 20 TO 25 KNOTS FROM THE REAR OF THE HELICOPTER AT THE TIME.

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

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

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

ALTITUDE..IMPROPER..PILOT IN COMMAND

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

DESCENT..INADVERTENT..PILOT IN COMMAND

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

REMEDIAL ACTION..NOT PERFORMED..PILOT IN COMMAND


Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..WATER,GLASSY


Contributing Factors

IN-FLIGHT PLANNING/DECISION..POOR..PILOT IN COMMAND


Contributing Factors

OSTENTATIOUS DISPLAY..PILOT IN COMMAND


Contributing Factors

COMPENSATION FOR WIND CONDITIONS..NOT IDENTIFIED..PILOT IN COMMAND

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