random RNAV routes
random RNAV (area navigation) routes
Direct routes, based on area navigation capability, between waypoints defined in terms of latitude or longitude coordinates, degree-distance fixes, or offsets from established routes or airways at a specified distance and direction. Radar monitoring by ATC (air traffic control) is required on all random RNAV routes.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved