Avionics News May 2022 - 39

ADS-B In defined: traffic,
weather radar, and much more
Services provided to properly equipped aircraft -
those hosting an ADS-B In receiver - proved highly
useful and valued in the FAA's Capstone Project test in
Alaska starting in the year 2000. Capstone served as the
long-term test that led the FAA to announce expansion
of ADS-B to the lower 48 in 2006. This marked the start
of establishing ADS-B Out and In as the agency built
up its network of nearly 800 ground-based repeaters
connecting ADS-B Out-equipped aircraft to the nation's
air traffic control screens.
ADS-B In was part and parcel to the Capstone
Project, to help the agency weigh the value of in-cockpit
weather and traffic. Today, many in aviation consider
ADS-B In to be the carrot offered to help sweeten the
pill of having to swallow the expense of the ADS-B Out
mandate - with its deadline of Jan. 1, 2020.
But unlike ADS-B Out, ADS-B In is totally optional
- as in, not mandated by regulatory fiat. The FAA
included ADS-B In services developed during both
Capstone for general-aviation operators in Alaska and
the Ohio Valley venture in conjunction with UPS' airregion
operation in Louisville, Kentucky.
Despite the lack of an ADS-B In mandate, however,
ADS-B In quickly proved itself immensely popular
among pilots across the spectrum. But what exactly is
available via ADS-B In? Read on.
Two flavors of In: weather
and traffic, plus a bit more
The FAA provides two flavors of ADS-B In, one to
help pilots see and avoid things that go " bump " in the
sky, the other to help those same pilots see and avoid
inclement weather - while staying abreast of current
conditions, weather trends and specific reports for
airports along a route.
The traffic-avoidance tool goes by the formal name of
traffic information services-broadcast, most often seen
as TIS-B. The weather-status tool, similarly, carries the
label flight information services-broadcast, typically
shown as FIS-B.
Their popularity stems directly from those " free "
services available to pilots who chose to equip their
cockpits with some type of ADS-B In receiver.
Popularity means a deep market. To meet the demands
of that market, avionics makers developed an enormous
range of ADS-B In solutions.
Pilots get to choose from among home-rolled ADS-B
In receivers, assembled out of raw components for
$80 to $100; $200 factory-made dongles that receive
ADS-B In products and display the results wirelessly
on smartphones, tablet and notebook computers;
stand-alone ADS-B In receivers meant for permanent
installation; and ADS-B In receivers integrated into
ADS-B Out systems capable of displaying the In
products on cockpit-installed and portable displays.
The options seem to cover a solution suitable for
every type and size cockpit, from single-seat to tandemseat,
four-place to commercial. Pilots long ago started
voting their support for ADS-B In with their wallets.
ADS-B In receivers remain extremely popular, in
part because they give pilots access to safety-of-flight
information, in-flight, via a variety of devices - and for
no more cost than the expense of the ADS-B In receiver
needed to gain access to its services. In fact, so popular
is ADS-B In that many professional pilots - aviators
flying well-equipped business-turbine and air-carrier
aircraft sporting cockpits with integrated avionics
packages - use ADS-B In services as an addition to the
onboard avionics delivering the same services, some
via subscription-based products - and all requiring
dedicated avionics to receive the services.
Of course, pilots long ago gained access to several
alternatives to the FAA's ADS-B In carrot and have
used them for years. The rub for the majority of aircraft
owners and pilots is most traffic-avoidance avionics
capable of replacing one FAA-provided service - TIS-B
- cost thousands of dollars to purchase and install.
The equipment to gain FIS-B, the weather side, cost
hundreds to thousands of dollars and requires payment
of a monthly subscription to access.
Thanks to the low expense of establishing these
ADS-B In services, however, the FAA can broadcast
these two different, complementary and useful services
using the funds generated by existing aviation excise
taxes. Investing in the receiver - acknowledging that
most pilots already own a viable display option - can
cost far less. Both services are, from the reaction of
pilots using them, worth far more than what we " pay " to
access them.
The breakdown of FIS-B
FIS-B is available almost without gaps across the
continental U.S and in Alaska and is visible before the
aircraft gets there. That's an oversimplified snapshot of
FIS-B's products and services.
avionics news * may 2022 39
Continued on following page

Avionics News May 2022

Table of Contents for the Digital Edition of Avionics News May 2022

Avionics News May 2022 - Intro
Avionics News May 2022 - Cover1
Avionics News May 2022 - Cover2
Avionics News May 2022 - 1
Avionics News May 2022 - 2
Avionics News May 2022 - 3
Avionics News May 2022 - 4
Avionics News May 2022 - 5
Avionics News May 2022 - 6
Avionics News May 2022 - 7
Avionics News May 2022 - 8
Avionics News May 2022 - 9
Avionics News May 2022 - 10
Avionics News May 2022 - 11
Avionics News May 2022 - 12
Avionics News May 2022 - 13
Avionics News May 2022 - 14
Avionics News May 2022 - 15
Avionics News May 2022 - 16
Avionics News May 2022 - 17
Avionics News May 2022 - 18
Avionics News May 2022 - 19
Avionics News May 2022 - 20
Avionics News May 2022 - 21
Avionics News May 2022 - 22
Avionics News May 2022 - 23
Avionics News May 2022 - 24
Avionics News May 2022 - 25
Avionics News May 2022 - 26
Avionics News May 2022 - 27
Avionics News May 2022 - 28
Avionics News May 2022 - 29
Avionics News May 2022 - 30
Avionics News May 2022 - 31
Avionics News May 2022 - 32
Avionics News May 2022 - 33
Avionics News May 2022 - 34
Avionics News May 2022 - 35
Avionics News May 2022 - 36
Avionics News May 2022 - 37
Avionics News May 2022 - 38
Avionics News May 2022 - 39
Avionics News May 2022 - 40
Avionics News May 2022 - 41
Avionics News May 2022 - 42
Avionics News May 2022 - 43
Avionics News May 2022 - 44
Avionics News May 2022 - 45
Avionics News May 2022 - 46
Avionics News May 2022 - 47
Avionics News May 2022 - 48
Avionics News May 2022 - 49
Avionics News May 2022 - 50
Avionics News May 2022 - 51
Avionics News May 2022 - 52
Avionics News May 2022 - 53
Avionics News May 2022 - 54
Avionics News May 2022 - 55
Avionics News May 2022 - 56
Avionics News May 2022 - 57
Avionics News May 2022 - 58
Avionics News May 2022 - 59
Avionics News May 2022 - 60
Avionics News May 2022 - 61
Avionics News May 2022 - 62
Avionics News May 2022 - 63
Avionics News May 2022 - 64
Avionics News May 2022 - Cover3
Avionics News May 2022 - Cover4
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