Avionics News September 2020 - 21

interface, while course and heading selection is
visual reference. Integration at the basic level.
completed using either the touchscreen or dual
At a more-advanced level, these GFC models also
concentric knob.
interface and follow the guidance of Garmin GTN
And when pilots opt for a GI 275 to replace an older
line of all-in-one VHF comm/nav/WAAS GPS units,
mechanical CDI or HSI, the GI 275 doubles as a modern
themselves an excellent example of integrated avionics.
digital indicator and adds MFD-like capabilities such as
And let's not forget about some of Garmin's newest
a moving map, weather, traffic and terrain.
products, the GI 275 glass flight instrument and its
interfacing and integration capabilities with other
Dynon's take
Garmin products.
Other companies and other products offer equal levels
A new instrument that joins the G5 electronic flight
of integration among same-company products, and
instrument as a replacement option for out-of-date
Dynon is among the early adopters
analog attitude indicators, the GI
of product integration.
275 4-in-1 flight instrument is
A company rooted in the
also FAA approved for installation
community of experimental,
as a dedicated standby flight
amateur-built aircraft fliers,
instrument complementing
THAT'S THE WATCHWORD
Dynon moved into the certificatedGarmin glass flight displays. And
FOR THE GAINS PILOTS
aircraft arena in April 2016 after
it's capable of serving as a backup
ENJOY FROM TODAY'S
teaming with the FAA and the
to a variety of third-party flight
NEW AVIONICS AND THEIR
Experimental Aircraft Association's
displays on the market.
ABILITY TO COMMUNICATE
effort to develop a supplemental
When installed as a standby
AND EXECUTE FLYING ON
type certificate for installing two
to the G500 TXi, the GI 275 is
A LEVEL ONLY POSSIBLE
IN THE ANALOG AGE WITH
of its products as replacements
capable of displaying additional
THE USE OF CONVERTERS
for conventional analog attitude
multifunction display features.
AND
ELECTRONIC
indicators.
For backup navigation
INTERMEDIARIES THAT
EAA STC, LLC, a subsidiary of
information, an integrated VFR
ADDED
WEIGHT
AND
the EAA, owns the STC that allows
GPS provides convenient direct-to
CONSUMED MORE POWER.
installation of Dynon's EFIS-D10A
navigation guidance, displaying
or EFIS-D100 as a replacement
aircraft position information on
for the airplane's primary attitude
a moving map. In installations
indicator. That STC opened the
where the GI 275 is installed as
door for innovations developed in the amateur-built
a primary or standby flight instrument, a 60-minute
and light-sport aircraft market to make their way into
backup battery is included.
certificated aircraft, starting with a list of specific
The GI 275 also can be installed as an integrated CDI
Cessna and Piper models.
or HSI, able to accept a variety of GPS or navigation
Dynon's product was also verified, with FAA
inputs that allow up to two GPS sources and two VHF
observation, against the then-new ASTM 3153-15,
navigation sources.
Standard Specification for Verification of Avionics
The GI 275 features an Omni Bearing Resolver that
Systems, and the Dynon units were flight tested in
allows the flight instrument to interface to a variety of
Oshkosh earlier in 2016 in the EAA's own Cessna
legacy navigators on the market without the need for an
172M.
expensive adapter.
Since then, Dynon continued to grow its inventory of
Adding the optional magnetometer makes the GI 275
products available for type-certificated aircraft. Leading
capable of providing magnetic-based HSI guidance.
the pack: Dynon's SkyView HDX.
Vertical and lateral GPS, VOR/LOC and glide slope
deviation can be viewed on the GI 275. CDI source
Continued on following page
selection can be accomplished through the touchscreen

FUNCTIONALITY.

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Avionics News September 2020

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