Air navigation service providers (ANSPs) have extended their ability to track aircraft flying on far northern Atlantic routes by installing automatic dependent surveillance-broadcast (ADS-B) stations in Greenland, the Faroe Islands and Iceland.
Gander Automated Air Traffic System
Both Gander and Shanwick oceanic control areas (OCAs) are conducting a trial of reduced longitudinal separation standards–five minutes between eligible aircraft–in North Atlantic airspace. The separation minimum for turbojets maintaining constant Mach on the same longitudinal track in the North Atlantic minimum navigation performance specifications (MNPS) airspace is 10 minutes.
Flight trials to demonstrate new procedures intended to improve fuel efficiency and reduce greenhouse gas (GHG) emissions of international flights crossing the North Atlantic have begun.
Nav Canada and UK NATS have implemented a new navigation standard that reduces longitudinal separations by half for properly equipped aircraft in North Atlantic airspace managed by the Canadian and UK air navigation service providers.
Britain’s National Air Traffic Services (NATS) is stepping up operating trials aimed at making greater use of both en route and terminal area airspace. New procedures being evaluated include the use of parallel offset tracks in place of radar headings alone; closer spacing of parallel routes with autonomous operations; and the use of precision area navigation (PRnav) procedures for terminal area control.