Avionics News March 2017 - 19

- can do it, odds are so can a smartphone. And, as the
Legalities and approvals
infomercial announcers say, there's more. Much more.
Let's touch on this subject from the start. Some in
Digital devices give pilots options for gaining the
aviation questioned early on the legality of the EFB as
benefits of ADS-B In. In fact, portable devices can
a substitute for paper charts, pulp approach plates and
provide ADS-B Out position data that, while not legal for
printed arrival and departure procedures.
fulfilling the Federal Aviation Administration's year 2020
The FAA years ago produced an advisory circular
ADS-B Out mandate in type-certified aircraft, can at least
clarifying the latitude available to pilots contemplating a
inform the network of 500-plus ADS-B ground stations
switch from the 30 to 40 pounds of paper filling leather
of the aircraft's presence. That presence, once detected
and canvas flight bags. In fact, it never was illegal
by ground stations, can be relayed to air traffic controllers
for VFR operations to eschew charts altogether - the
to help separate them from aircraft not equipped with
debatable wisdom of such a choice notwithstanding.
ADS-B In.
The FAA first addressed the subject in July 2002
Separately, ADS-B In-equipped
with the publication of Advisory
aircraft should see the ADS-B
Circular 120-76, spelling out
Out squawk directly from the
"acceptable method of compliance
aircraft - provided that the Out
for the certification, airworthiness,
AS LONG AS USERS
and In frequencies match. And
and the operational approval of
UNDERSTAND THE
there are portable traffic-awareness
both portable and installed EFB
LIMITATIONS OF THE
receivers and weather datalink
aircraft computing devices." The
TECHNOLOGY AND
receivers and a host of other
AC applied to operations under
CONSTRAINTS OF THE
options available on portable
Part 91, 121, 125, 129, or 135,
DELIVERY SYSTEM,
cockpit devices, aside from ADSto obtain both certification and
B-oriented systems.
approval for the operational use of
Sadly, with the proliferation
EFBs. The only Part 91 operations
of portable cockpit devices come
subject to the FAA's approval
challenges already on the radar
process fly under Sub-Part K,
of safety watchdogs overseeing
the section regulating fractional
the nation's highways, roads and
ownership programs.
streets - and those challenges
AC 120-76 clearly noted that
sometimes manifest themselves
"Other Part 91 operations do not
in the same negative manner aloft
require any specific authorization
as they're known to do at ground
or aircraft certification design
level.
approval for EFB operations
Technologically, these advanced
provided the EFB does not replace
devices all come with their own
any system or equipment required
limitations and cautions.
by the regulations."
Continue with us as we examine
AC 120-76A followed in March
some of the limitations, challenges and outright problems
the next year, then AC 120-76B in June 2012.
of the growing realm of varying portable cockpit systems.
The FAA published the current Advisory Circular, AC
The goal is to inform avionics shops and dealers so they
120-76C, on May 9, 2014. At each step, the FAA updated
can help prospective and existing customers understand
the AC to keep pace with technology and potential.
the benefits and limitations of the portable systems
The FAA refined definitions, clarified its positions and
used by sport and recreational pilots of everything from
reaffirmed the three classes of EFBs recognized - with Class
experimental and light sport aircraft to type-certified
Continued on following page
aircraft of all levels.

THEY SHOULD
FLY WITH THE
COMFORT OF
KNOWING
UPDATED
INFORMATION
IS ONLY A FEW
MINUTES AWAY.

avionics news

*

march

2017

19



Table of Contents for the Digital Edition of Avionics News March 2017

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Avionics News March 2017 - Intro
Avionics News March 2017 - No label
Avionics News March 2017 - Cover2
Avionics News March 2017 - 1
Avionics News March 2017 - 2
Avionics News March 2017 - 3
Avionics News March 2017 - 4
Avionics News March 2017 - 5
Avionics News March 2017 - 6
Avionics News March 2017 - 7
Avionics News March 2017 - 8
Avionics News March 2017 - 9
Avionics News March 2017 - 10
Avionics News March 2017 - 11
Avionics News March 2017 - 12
Avionics News March 2017 - 13
Avionics News March 2017 - 14
Avionics News March 2017 - 15
Avionics News March 2017 - 16
Avionics News March 2017 - 17
Avionics News March 2017 - 18
Avionics News March 2017 - 19
Avionics News March 2017 - 20
Avionics News March 2017 - 21
Avionics News March 2017 - 22
Avionics News March 2017 - 23
Avionics News March 2017 - 24
Avionics News March 2017 - 25
Avionics News March 2017 - 26
Avionics News March 2017 - 27
Avionics News March 2017 - 28
Avionics News March 2017 - 29
Avionics News March 2017 - 30
Avionics News March 2017 - 31
Avionics News March 2017 - 32
Avionics News March 2017 - 33
Avionics News March 2017 - 34
Avionics News March 2017 - 35
Avionics News March 2017 - 36
Avionics News March 2017 - 37
Avionics News March 2017 - 38
Avionics News March 2017 - 39
Avionics News March 2017 - 40
Avionics News March 2017 - 41
Avionics News March 2017 - 42
Avionics News March 2017 - 43
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Avionics News March 2017 - 45
Avionics News March 2017 - 46
Avionics News March 2017 - 47
Avionics News March 2017 - 48
Avionics News March 2017 - 49
Avionics News March 2017 - 50
Avionics News March 2017 - 51
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Avionics News March 2017 - 53
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Avionics News March 2017 - 88
Avionics News March 2017 - Cover3
Avionics News March 2017 - Cover4
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