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Aviation Accident

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NTSB Identification: GAA17CA244
14 CFR Part 91: General Aviation
Accident occurred Monday, April 24, 2017 in Waukesha, WI
Probable Cause Approval Date: 10/31/2017
Aircraft: BEECH 99, registration: N899CZ
Injuries: 2 Uninjured.

NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.

The pilot flying the airplane reported that, during an instrument flight rules instructional flight, the airplane was established on a very high frequency omnidirectional range approach. The pilot reported that, during the approach, he observed a large bird dive into the airplane’s nose section. The pilot recalled that there was no time to react between the initial observation and impact. He terminated the training flight and landed the airplane as soon as practical and without further incident. The airplane sustained substantial damage to the fuselage frame.
The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.


The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
  • An in-flight collision with a bird during the approach.