OPERATIONAL CONTROL OF A FLIGHT REFERS TO
EXERCISING AUTHORITY OVER INITIATING, CONDUCTING OR TERMINATING
FLIGHT
IN SCHEDULING PART 121 OPERATIONS, PREFLIGHT PLANNING IS THE
RESPONSIBILITY OF THE
A & B
IN SCHEDULED PART 121 OPERATIONS, THE PILOT IN COMMAND & DISPATCHER
CERTIFY THAT THE APPROPRIATE PLANNING IS COMPLETE BY SIGNING
DISPATCH RELEASE