Apr 22, 2010
Incident
Chicago, IL
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 121
Probable Cause
The air traffic controller's issuance of an improper takeoff clearance to the pilot of the Embraer. Contributing to the incident was the instructor’s inadequate monitoring of the trainee local controller.
NTSB OPS10IA155