Nov 11, 2010
Incident
66 NM East of Hobe Sound, FL
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 121
Probable Cause
Air traffic controllers did not maintain required awareness of available flight data and aircraft positions, resulting in issuance of an incorrect altitude clearance that caused a loss of standard instrument flight rules separation between the two aircraft.
NTSB OPS11IA101