NTSB Identification: LAX85LA053.
The docket is stored on NTSB microfiche number 27099.
Accident occurred Thursday, November 29, 1984 in TRACY, CA
Aircraft: DONALD W DEVINE EXECUTIVE, registration: N4853A
Injuries: 1 Minor.

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 HOMEBUILT HELICOPTER CRASHED WHILE ON AN UNAUTHORIZED SOLO FLIGHT. THE PLT STATED THAT AFTER HE COMPLETED BUILDING THE HELICOPTER HE ACQUIRED PROFICIENCY BY OPERATING THE ENG & HOVERING ABOUT IN HIS 3 ACRE BACKYARD. HE SAID HE HAD FLOWN FOR ABOUT 45 MINS & GAINED MORE ALTITUDE THAN INTENDED. WHEN HE TOUCHED DOWN THE SOFT GROUND RETARDED THE FORWARD MOVEMENT, THE MAIN ROTOR HIT THE GROUND, THE HELICOPTER ROLLED OVER & CAUGHT FIRE.

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

RUN ON LANDING..INADEQUATE..PILOT IN COMMAND

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

INADEQUATE TRAINING..PILOT IN COMMAND

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

COLLECTIVE..IMPROPER..PILOT IN COMMAND

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