On the best facet however, the plane does not have to fly directly around those beacons, leading to a much more economical route, this is known as location navigation or RNAV. The plane’s posture could be identified making use of onboard calculations that utilise “Fixes”. Johan Houbrechts · January 27, https://travislnmlk.madmouseblog.com/11690724/not-known-details-about-pbn