NTSB Identification: ATL87LA222.
The docket is stored on NTSB microfiche number 35002.
Accident occurred Thursday, July 23, 1987 in HUNTSVILLE, AL
Probable Cause Approval Date: 04/24/1989
Aircraft: BELL 47G-2, registration: N972B
Injuries: 2 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 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.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:LOW PASS..PERFORMED..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:CLEARANCE..MISJUDGED..PILOT IN COMMAND
OSTENTATIOUS DISPLAY..PILOT IN COMMAND
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