HUNTSVILLE, AL, USA
N972B
BELL 47G-2
THE HELICOPTER IMPACTED THE WATER DURING A LOW-ALTITUDE TURN OVER A RIVER. THE PLT MADE A LOW PASS TO THE SOUTH OVER AN ISLAND AT ABOUT 30 FT AGL, TO SHOW THE ISLAND TO THE POLICEWOMAN/TRAFFIC OBSERVER ONBOARD. AS HE WAS MAKING A CLIMBING RIGHT TURN AT ABOUT 40 KTS IAS TO PASS BACK OVER THE ISLAND, THE ACFT ROLLED EXCESSIVELY IN THE DIRECTION OF TURN AND THE NOSE BEGAN TO 'TUCK'. HE ATTEMPTED TO CORRECT THE SITUATION BY APPLYING OPPOSITE CYCLIC ONLY. HE DID NOT INCREASE THE PWR OR ADD COLLECTIVE PITCH. HE DID NOT REMEMBER IF HE USED ANY LEFT PEDAL TO ASSIST IN COUNTERACTING THE EXCESSIVE TURNING. THE ACFT IMPACTED THE WATER IN A SLIGHT, RIGHT BANK ATTITUDE, WITH THE NOSE LOW. THE PLT REPORTED THAT THE ENGINE AND MAIN ROTOR RPM'S REMAINED 'IN THE GREEN' DURING THE MANEUVER.
Source: NTSB Aviation Accident Database
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