Avionics News November 2015 - 4
future of ADS-B
he Federal Aviation Administration's mandate to equip different hardware on the general aviation airborne platform.
the U.S. fleet with ADS-B Out has Aircraft Electronics With satellite monitoring, it is painfully obvious that 1090 ES
Association member shops scrambling, and business should be diversity transponders will become a requirement. (UAT is not
brisk for some time. Inasmuch as this is an "airspace rule," it also likely to be used anywhere in the world other than the U.S.)
means that a lot of Canadian and Mexican aircraft, and indeed all Top-mounted transponder antennas will be a requirement with
aircraft that operate in continental U.S. airspace, must be ADS-B satellite monitoring.
equipped. There is a sentiment that this will be a
In fact, Nav Canada is publicly touting the
one-shot mandate like RVSM was, and that once
compatibility of the ground-based and space-based
the fleet is compliant, there will be little additional
systems, which is somewhat misleading at best.
activity. Nothing could be further from the truth!
The fact is that only transport category aircraft that
It is becoming increasingly clear that the future
are TCAS II equipped are truly interoperable with
of ADS-B will be space-based - satellite moniground- and space-based ADS-B monitoring. The
toring as opposed to a massive installed ground
larger aircraft already equipped with TCAS II are
network. In fact, I suggest that we have likely
already there. And, of course, the ANSPs are largely
seen the last big ADS-B ground infrastructure
focused on the commercial air transport world.
play in the world.
There is a strong possibility that virtually every
There are now at least three entities developing space-based GA aircraft currently being equipped for compliance with
ADS-B monitoring systems. Nav Canada has partnered with the FAA mandate will not be compliant with future Canadian
Iridium and several other air navigation service providers and other international ADS-B mandates! Consider this for a
around the world on a program called Aireon, which appears minute: We could be dealing with a second round of ADS-B
to have significant critical mass. Other entities include ADS-B equipage for international mandates just as the sun sets on the
Technologies on the Globalstar satellite network and Thales U.S. mandate - and with a lot of unhappy customers!
Alenia on GomSpace. These initiatives clearly define the
I believe that AEA member shops will be dealing with
future of ADS-B, in my opinion. The advantages of space- ADS-B equipage well past the deadline of the FAA mandate,
based monitoring are compelling, and include:
and diversity will become a much more commonly used
* Truly global coverage.
word in our vocabulary. The satellite-based future of ADS-B
* Real-time oceanic surveillance and resulting significant will inevitably have an impact on equipment recommendaoperational efficiencies over water.
tions as we go forward; in fact, it is in my shop now! We
* Effective monitoring over mountainous and difficult/ only recommend 1090 ES transponders that can at least be
upgraded to diversity. q
* Real-time flight tracking and alerting (think Malaysia
Airlines Flight 370).
* No massive cash outlay for ground-based ADS-B
It is interesting to note from an AEA member perspective Kitchener Aero
that this satellite-based technology will inevitably dictate Past chairman, AEA board of directors