Fatal Aircraft Crash Near Kansas City Due to Attitude Gyro Failure (N9980Z)

Incident Overview and Casualties During an en route flight, the aircraft lost control and entered a steep dive, ultimately striking the ground near Kansas City. The impact resulted in a large explosion, and all five people on board were killed. The source does not specify the aircraft type, registration, operator, or exact date of the incident. ## Official Investigation Findings The official investigation determined that the probable cause of the accident was an uncontrolled descent resulting from the failure of the attitude gyro in flight. Investigators found that a piece of vacuum hose was split, and the flow valve was stuck in the closed position. Additionally, there was evidence indicating that the gyro speed had not reached the required level.