NTSB Identification: NYC88LA191.
The docket is stored on NTSB microfiche number 39459.
Accident occurred Saturday, July 23, 1988 in PENDLETON, NY
Probable Cause Approval Date: 06/25/1990
Aircraft: BELLANCA 7GCAA, registration: N53784
Injuries: 1 Serious.

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 PILOT OF THE BELLANCA HAD JUST STARTED HIS APPROACH TO PICK UP A BANNER, WHEN THE ENGINE WAS HEARD TO BE RUNNING ROUGH. HE CONTINUED WITH THE BANNER PICKUP. A WITNESS REPORTED THAT WHEN POWER WAS APPLIED, THE ENGINE RAN EXTREMELY ROUGH AND EMITTED BLACK SMOKE. GROUND PERSONNEL INSTRUCTED THE PILOT TO RELEASE THE BANNER. THE WITNESS SAID THAT THE PILOT RELEASED THE BANNER AND STARTED A SHALLOW TURN TO THE RIGHT. THE AIRCRAFT THEN DROPPED OUT OF SIGHT BEHIND A LINE OF TREES AND IMPACTED THE GROUND. THERE WAS EVIDENCE THE AIRCRAFT HAD CRASHED IN A STEEP NOSE DOWN ATTITUDE. AN EXAM OF THE AIRCRAFT REVEALED THERE WAS PLENTY OF FUEL ON BOARD. AN OPERATIONAL CHECK OF THE ENGINE WAS MADE AFTER SEVERAL DAMAGED COMPONENTS WERE REPLACED; IT STARTED AND RAN NORMALLY UP TO ABOUT 1300 TO 1400 RPM. DUE TO A BENT CRANKSHAFT FLANGE, THE ENGINE WAS NOT CHECKED AT A HIGHER RPM.

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

LOSS OF CONTROL OF THE AIRCRAFT AFTER THE PILOT HAD HOOKED THE BANNER.

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