initial heading


Also found in: Acronyms.

initial heading

[i′nish·əl ′hed·iŋ]
(navigation)
The aircraft heading at the beginning of a rating period while using gyro steering.

initial heading

i. The aircraft heading at the start of a gyro rating period when using astro-gyro control. See final 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”).
References in periodicals archive ?
2007) found that bar tiles that are arranged in this way promote a more ac curate initial heading than do bar tiles that are arranged parallel to the intended direction of travel.
Some pilots advocate setting the heading bug, and therefore the flight director command bars, to the initial heading or route.
If a controller has to change my routing, it would be helpful if they gave me an initial heading to follow while I reprogram the GPS.
If you're not sure what heading to turn to without the GPS, ask your controller for an initial heading.
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