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The GNS 480 provides advanced integration of
leading-edge technologies with the following innovative features:
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Glideslope guidance for LNAV/VNAV (Gamma
2) and LPV (Gamma 3) approaches, and advisory vertical guidance
for other non-precision approaches with vertical path data
associated with them
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Reversionary Modes on the Approach
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Automatic SUSPend key function
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New interfaces to Garmin GTX 330/33/320/32
Mode S/C transponders
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New interface to display traffic data from
L-3 Avionics Systems Skywatch
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New "NAV" page with a full compass rose CDI
display
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Flight Planning page enhancements
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Dual GNS 480 flight plan crossfill capability
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Ability to calculate RAIM when out of Wide
Area Augmentation System (WAAS) coverage
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Automatic frequency checking for ILS, backcourse,
and VOR approaches
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Notification of navigation to non-WGS 84-compliant
waypoints in the active flight plan
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Ability to manually select maximum CDI scaling
As aviation’s first GPS navigator to feature
precision guidance via WAAS, the GNS 480 now meets the strictest
level of certification for WAAS navigation. Previously, Instrument
Landing System (ILS) availability was needed for a precision
approach in low-visibility conditions. Now, upon FAA approval,
the GNS 480 will utilize satellite-based navaids for precise
lateral and vertical approach guidance—similar to ILS operations—without
the need for ground-based navaids of any kind, since avionics
certified to Gamma-3 requirements meet the FAA’s standards for
Localizer-equivalent Precision with Vertical (LPV) guidance.
At the heart of the GNS 480 is a 15-channel WAAS
receiver that updates the aircraft’s position at a rate of five
times per second. Like Garmin’s other integrated avionics, the
GNS 480 provides oceanic-approved IFR GPS/NAV/COM functionality
and ILS/VOR capabilities—but does so on a 3.8-inch (diagonal),
256-color moving-map display.
It has the built-in controls for a remote transponder,
such as the GTX 33, Garmin’s new solid-state Mode S transponder
that can be used to deliver traffic advisories to the GNS 480
via the FAA’s Traffic Information Service (TIS). With a TIS
datalink, a pilot essentially sees what the ATC sees, including
trend vectors and altitude data of nearby aircraft.
The GNS 480 is also seamlessly integrated to
work specifically with the MX20 multi-function display (MFD).
When coupled with the MX20, range changes performed on the GNS
480 are simultaneously refected on the MFD. When the pilot selects
an approach on the GNS 480, the approach plate is automatically
depicted on the MX20 with Jeppesen® Chart View™. Pilots can
also view a vertical profile of the approach using the MFD’s
split-screen capability.
Working in tandem with standard autopilots that
accept roll-steering commands, the GNS 480 behaves like a high-end
flight management system (FMS) by providing the necessary guidance
data to fly the aircraft through all approach procedures.
GNS 480 additional features:
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Certification: TSO C146a, Levels 1, 2, 3
(LPV)
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FMS operation: Dedicated buttons and soft-key
operation for expanded functionality
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"Smart Key" NAV function: Brings up an HSI-like
compass rose with CDI and vertical deviation indicator (VDI)
for precise lateral and vertical guidance as a backup to
primary instruments during IFR operations
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VHF COM transceiver: 760 channels and 8-watt
transmitting power; standby frequency monitoring capabilities
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VHF NAV receiver: 200 channels for VOR, localizer
and glideslope operation; dual-station tracking feature
to cross-check position fixes during approach procedures
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Flight planning: Capacity for 50 flight plans
with 150 legs
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Annunciation: Voice messaging and audio alerting
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Power: 11-36 Vdc
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Interface options: RS232, RS422, and ARINC
429
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Aircraft support: STC Appoved Model List
(AML) for more than 700 aircraft
PACKAGE INCLUDES:
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GNS 480
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Installation Kit
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A-33 Antenna
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Data Card
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Training CD
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Flight Demo DVD
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Manuals
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