NTSB Identification: MIA98FA196.
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Accident occurred Wednesday, July 15, 1998 in PANAMA CITY BCH, FL
Probable Cause Approval Date: 02/15/2001
Aircraft: Cessna 150E, registration: N3549J
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.

The pilot made a successful hook but during the climb, a witness did not hear the engine rpm increase. The pilot dropped the banner and continued climbing then banked initially to the right. The flight climbed to an estimated height of 300 feet then the pilot began a left turn to return to the airport. During the turn, the angle of bank increased and the airplane then pitched nose down, and impacted the ground about 1,400 feet from the approach end of the south runway. Examination of the flight controls revealed no evidence of preimpact failure or malfunction. The fuse for the auxiliary fuel pump was blown; however, no determination was made as to the reason for the blown fuse. The engine was placed in a test stand where it was found to operate normally. Visual examination of the carburetor revealed no evidence of preimpact failure or malfunction. The engine which was installed into the airplane 20 years and 6 months earlier in accordance with a STC, did not contain an engine driven fuel pump as required. Additionally, the auxiliary fuel pump was determined to be wired into a circuit that was not depicted by the installation instructions.

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

The failure of the pilot to maintain airspeed (Vs) and the inadvertent stall by the pilot. Contributing to the accident was the intentional operation of the airplane by the pilot in an over gross weight condition resulting in a higher stall speed, and failure of maintenance personnel to install the engine driven fuel pump and the improper wiring of the auxiliary fuel pump contrary to the STC installation instructions 20 years and 6 months earlier. Also contributing was the inadequate annual inspection of the airplane by other maintenance personnel for failure to note that the engine did not have an engine driven fuel pump installed.

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