Avionics News September 2017 - 33

and if that feature was activated during
the installation. Operators will need to
use the registration number if it isn't
programmable, but they can still use
the remarks section of the flight plan
and approved telephonies to advise
ATC of any specialty flying they plan
to conduct.
"Flight schools that use a local
sign may want to consider purchasing
configurable units, or else make the
best of what equipment they have,"
Kenney said. Another option may be
to program the ADS-B transmitter to
align with the call sign, for example
RDDL23. This option works well when
the call sign is assigned to a particular
aircraft as opposed to a particular flight,
but may present a problem if the pilot
desires to use the registration number as
a call sign and the ADS-B transmitter is
not pilot-programmable. This is an area
the FAA is currently examining, and
policy changes may be forthcoming.
"We're actively looking at solutions
and alternatives for segments of the
industry that use specialized call signs
or modified N-numbers," Kenney said.
Regardless of what alternatives and
flexibilities may be offered, pilots need
to be aware that when an aircraft is
equipped with ADS-B, the ADS-B call
sign must match exactly with the flight
plan call sign.
Unlike for Romeo and Juliet, names
here do matter. But follow this step and
you'll be smelling like a rose! q
This article was first published in
the March/April 2017 issue of
FAA Safety Briefing. The author, Tom
Hoffmann, is the managing editor of
FAA Safety Briefing. He is a commercial
pilot and has an A&P certificate. If you
have any questions about the ADS-B call
sign mismatch issue, email the FAA at
9-AWA-AVS-ADS-Programs-AFS@FAA.gov.
To learn more, see FAA Advisory Circular
120-26L, Assignment of Aircraft Call Signs
and Associated Telephonies, at http://
go.usa.gov/x9GnH.

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7/15/16 12:36 PM
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