NTSB Identification: MIA89FA115.
The docket is stored on NTSB microfiche number 40294.
Accident occurred Saturday, March 25, 1989 in DAYTONA BCH SHR, FL
Probable Cause Approval Date: 08/22/1990
Aircraft: BELLANCA 7KCAB, registration: N90985
Injuries: 1 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

WHILE FLYING OFFSHORE SOUTHBOUND AT AN ALT OF 300-400 FT, THE BANNER TOWING BELLANCA PASSED TO THE RT, THE LAST OF A FLT OF FOUR BANNER TOWING SUPER CUB ACFT CRUISING AT ABOUT 40 MPH, PLACING THE ACFT CLOSER TO SHORE. WITH A QUARTERING TAILWIND, THE PLT INITIATED A 'VERY TIGHT' RT TURN TO RETURN NORTHBOUND. DURING THE TURN, THE ACFT DID WHAT WAS DESCRIBED AS A WING OVER & WHILE DESCENDING EASTBOUND WITH THE BANNER ATTACHED, THE MAIN GEAR CONTACTED A WAVE CAUSING THE ACFT TO NOSE INTO THE WATER. EXAMINATION OF THE ACFT & ENG REVEALED NO EVIDENCE OF FAILURE OR MALFUNCTION OF EITHER THE FLT CONTROLS OR ENG. THE BANNER RELEASE MECHANISM WAS EXAMINED & THERE WAS NO EVIDENCE OF FAILURE OR MALFUNCTION. THE MINIMUM ALT FOR BANNER TOWING OTHER THAN FOR PICKUP'S AND DROP'S IS 500 FT WHEN AUTHORIZED BY ATC.

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

IN-FLIGHT LOSS OF CONTROL WHILE MANEUVERING TO REVERSE DIRECTION DUE THE FAILURE OF THE PILOT TO MAINTAIN ADEQUATE AIRSPEED DURING THE 'STEEP TURN.'

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