initial heading
initial heading
[i′nish·əl ′hed·iŋ]initial heading
ii. In air interception, it is the heading given to the air defense aircraft at the moment of scramble or immediately after takeoff (e.g., “Mission 51, scramble, scramble, scramble, initial heading 072 degrees, climb to flight level 200 and contact Braveheart control on channel 12”).