NTSB Identification: LAX90LA234.
The docket is stored on NTSB microfiche number 43754.
Accident occurred Friday, June 29, 1990 in CARLSBAD, CA
Probable Cause Approval Date: 11/23/1992
Aircraft: HUGHES 269C, registration: N1102H
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.

A HUGHES 269C LOST CONTROL AND COLLIDED WITH TERRAIN. THE PILOT WAS RECEIVING HELICOPTER INSTRUCTION FOR AN-ADD ON ROTORCRAFT CATEGORY RATING. BEFORE THE ACCIDENT THE PILOT HAD ACCUMULATED ABOUT 10 HOURS OF DUAL INSTRUCTION. THE ACCIDENT FLIGHT WAS HIS FIRST SUPERVISED SOLO. ACCORDING TO THE PILOT, HE HAD TAKEN OFF TO A HOVER AND DISCOVERED THE THROTTLE FRICTION TO BE TOO LOOSE. HE LANDED THE HELICOPTER AND ADJUSTED THE THROTTLE FRICTION. THE PILOT TOOK OFF TO A HOVER AGAIN AND ENTERED A RIGHT HOVERING TURN. DURING THE TURN THE ENGINE RPM DROPPED. THE PILOT INCREASED THE THROTTLE AND THE HELICOPTER BEGAN TO SPIN RIGHT. THE PILOT LOST CONTROL OF THE HELICOPTER AND IMPACTED THE GROUND.

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

FAILURE OF THE PILOT TO MAINTAIN DIRECTIONAL CONTROL AT A HOVER.

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