Book Course Book a Traffic Controller (TC), Site Traffic Management Supervisor (STMS) or Site Traffic Management Supervisor Refresher Course TC Courses Date Duration Location Make a Booking July 08, Saturday 1 day course Auckland×Training Location Book » July 12, Wednesday 1 day course Whangarei×Training Location Book » July 19, Wednesday 1 day course Whangarei×Training Location Book » August 09, Friday 1 day course Whangarei×Training Location Book »