Pilot's Guide to Avionics 2015-16 Edition - 33
capability. The subsequent step for NAV CANADA is
to segregate airspace vertically.
systems, all combined to make the delay a smart
move, according to others.
It's an issue in the U.S. and was in Australia, arguably the first nation to require and implement ADS-B
in an active traffic environment.
Elsewhere in Asia: A mixed bag of ADS-B
requirements amid vast gaps
As the world's nations and airspace authorities
proceed with their trek toward a more-modern airtraffic-management system, different regions are taking different approaches. Here are a few, courtesy of
Starting in January 2009, ADS-B finally gave surveillance coverage to 250,000 square nautical miles
of airspace over Hudson Bay in Northern Canada.
Flights between Europe and North America are the
predominant users of this airspace, with some traffic
bound for Asia, among them flights using the defined
polar tracks. While not needed specifically for precision approach management and surveillance, ADS-B
works for ATC on a tactical level, allowing reduced
separation between compliant aircraft on an opportunity basis.
This means each aircraft will have the appropriate protected airspace around it applied based on its
Phase 1: only applies to airways L642 and M771 from
FL290 and above.
Phase 2: all of Hong Kong airspace from FL290 and
Both phases are in effect: Phase 1 as of Dec. 12, 2013;
Phase 2 as of Dec. 31, 2014.
Continued on following page...
shouldn't your audio be too?
Get the Most out of your Audio System!
Learn what IntelliAudio® can do for you!
Call or visit our website.
- 33 -