CALIPATRIA, CA, USA
N2770N
BELL UH-1B
DURING THE INITIAL CLIMB AT THE BEGINNING OF AN AERIAL APPLICATION FLIGHT, THE PILOT MADE A CLIMBING 180 DEGREE RIGHT TURN IN THE REVERSE DIRECTION WHEN THE ROTOR RPM BEGAN TO DROP. THE PILOT CONTINUED TO RAISE COLLECTIVE, LOST DIRECTIONAL CONTROL AND COLLIDED WITH THE TERRAIN APPROXIMATELY 100 YARDS FROM THE INITIAL LIFT-OFF POINT. THE REASON FOR THE POWER LOSS WAS NOT DETERMINED.
Source: NTSB Aviation Accident Database
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