on-course indication
on-course indication
i. An indication on an aircraft instrument that the aircraft is on the centerline of a given navigational track.
ii. An indication on a radarscope that an aircraft is on a designated track.
ii. An indication on a radarscope that an aircraft is on a designated track.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved