NTSB Identification: FTW99LA084.
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Accident occurred Friday, February 19, 1999 in MESQUITE, TX
Probable Cause Approval Date: 04/20/2001
Aircraft: Beech BE-76, registration: N3819D
Injuries: 1 Minor,1 Uninjured.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
During a night landing with a simulated right engine failure, the multi-engine rated instrument student flared 'higher than normal.' The airspeed decreased to 'approximately 68 knots,' near the airplane's minimum control speed of 65 knots. The flight instructor (CFI) called for the student to add power. The student increased the power to the left engine only. The CFI was unaware that power was applied on only one engine until the airplane went out of control and turned to the right. The CFI attempted to regain control; however, the right wing struck the ground on the right side of the runway. The CFI stated that a breakdown in communication and the time of day were both significant factors. After the student placed both prop controls full forward during final approach, the CFI assumed, but did not verbally confirm, that the student was making a normal approach and landing. He was unable to see that the student was only grasping the left throttle due to the lack of light in the cockpit.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: The flight instructor's inadequate supervision of the multi-engine rated instrument student during a simulated single engine landing, resulting in loss of control of the airplane. Factors were the dark night light condition, the flight instructor's inadequate communication with the student, and the student's improper use of the throttle control. Full narrative available
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