NTSB Identification: CHI01FA044.
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Accident occurred Sunday, December 03, 2000 in Milltown, WI
Probable Cause Approval Date: 06/04/2002
Aircraft: Beech 95-B55, registration: N7678N
Injuries: 2 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 maneuvering on a local instructional flight the multi-engine airplane entered a spin that resulted in an in-flight collision with the terrain. Witnesses to the accident described the airplane in a spin. The certified flight instructor (CFI) occupied the right seat during the accident flight. The right seat was secured in the full aft position. There was a handwritten placard that stated, "right seat fixed in the aft position." Four pillows were recovered at the accident site. An officer with the local law enforcement reported that one of the pillows was found beneath the CFI and that there were two pillows behind her back. The forth pillow was found lying between the CFI and the dual student. No additional anomalies were found with respect to the airplane that could be associated with a pre-impact condition. The Pilot Operating Handbook (POH) for the Beech 95-B55 aircraft states that recovery from a spin will become more difficult if the pilot delays taking corrective action. The POH states, "Always remember that extra alertness and pilot techniques are required for slow flight maneuvers, including the practice or demonstration of stalls or [flight at minimum controllable airspeed]." The POH further states that, "Whenever a student pilot will be required to practice slow flight or single-engine maneuvers, be certain that the qualified instructor pilot has a full set of operable controls available."

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

The flight instructor's inadequate supervision of the flight, the flightcrew not maintaining control of the airplane, and the flight instructor's delayed remedial action which resulted in the inadvertent spin. Factors to the accident were the inadvertent spin and the CFI's decision to operate the airplane with the flight instructor's seat secured in the full-aft position.

Full narrative available

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