reciprocal heading

reciprocal heading

That which is 180° to the original heading flown, or intended to be flown. In R/T (radio telephony) terminology, heading is normally omitted.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
Sufficient power may be available to maneuver the airplane back to the departure runway on a reciprocal heading. Enough power also may be available to fly the traffic pattern and land somewhat normally.
The break is a 180-degree turning maneuver, designed to get my aircraft on the ship's reciprocal heading (downwind).
As I settled on to the reciprocal heading, I noticed a dark ridge, seemingly just below me.

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