Pilot's Guide to Avionics 2015-16 Edition - 75
are operating on the same frequency
or by relay from the ground. The
ADS-B ground stations also feed
data on aircraft location to displays
used by air traffic controllers.
Aircraft can be equipped with an
ADS-B Out system and also have
an ADS-B-In receiver on either 1090
megahertz or a universal access
transceiver operating on 978 MHz. Or
an aircraft can have equipment
operating on both frequencies with
a " dual-link" receiver. UAT-equipped
aircraft also can receive graphical
weather on ADS-B In as well as textbased advisories, including notices
Dewey Conroy, vice president and chief operating officer for Pacific Coast Avionics
to airmen and significant weather
in Aurora, Oregon, is offering pilot seminars on equipage requirements.
activity for display in the cockpit.
" You can decide to comply with
Aircraft Electronics Association; Jens Hennig, vice
the rule and only install ADS-B Out,
president of operations at the General Aviation
or you can do more such as installing ADS-B In,"
Manufacturers Association; and Melissa Rudinger,
Hennig said. " It may take a while to figure out
senior vice president of government affairs with the
where you want to end up. You may spend $ 2,000
Aircraft Owners and Pilots Association.
to $ 3,000 on ADS-B avionics plus the installation,
" Equip 2020 is helping educate pilots about the
or more depending on what you decide."
benefits of ADS-B Out, a prerequisite for many
And the decision may vary by geographical
ADS-B In functions," DeCleene said. " This includes
region, Hennig noted. It could be different for
display of traffic and a new capability that actually
an aircraft owner based on the East Coast or
provides traffic alerts. While ADS-B In can be
California than one who flies in the Dakotas.
integrated into portable equipment, ADS-B Out
Someone who stays below 10,000 feet in airspace
must be installed in the aircraft to provide reliable
where ADS-B is not required may elect not to
GPS reception and transmission of ADS-B Out
" It really depends on what equipment you have
on your aircraft now and what you want to do,"
The big decision
Hennig said every aircraft owner should start
The new FAA ADS-B website is designed to walk
making a decision now on what to do about ADS-B
aircraft owners through issues to consider.
installation because the decision can take a while
Gallagher noted that at his repair shop, an
to make and can follow several paths.
ADS-B installation can take anywhere from 12
ADS-B Out uses GPS satellite technology to
to 20 hours. He said installation may require
determine an aircraft's location, ground speed and
mounting a stand-alone GPS antenna on top of the
other data, and broadcasts that information to other
fuselage and an ADS-B antenna on the bottom. If
aircraft and to a network of ground stations. Aircraft
with ADS-B In reception capability can receive
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positions from other aircraft directly if both aircraft
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