Garmin GDM 4500 - 010-02621-01
The Garmin GDM 4500 is a digital remote-mount DME radio that provides slant-range distance calculations to DME ground stations. Built for high-performance turbine aircraft and helicopters, it works with select Garmin integrated flight decks and displays to add modern DME capability in an environmentally hardened installation. Its distance data can also support DME-based RNAV when used with a compatible flight deck or display.
Precise DME Distance
Maintain slant-range distance awareness relative to DME ground stations. The remote-mount radio brings DME functionality to select Garmin integrated flight decks and displays.
Expanded Frequency Tracking
Tune and track up to two separate DME frequencies. With optional enablement and compatible avionics, FMS1 can automatically scan and tune up to three additional DME frequencies.
Direct Digital Interfaces
Integrate directly with compatible Garmin displays without an interface adapter. ARINC 429, RS-232 and King Serial connections support integration with third-party navigation units and displays.
Navigation Flexibility
The DME hold function preserves the active DME distance indication while the associated NAV radio is tuned to another frequency. This is useful during instrument approaches when a localizer or other approach aid must be tuned while retaining NAV-referenced DME information. With a compatible flight deck or display, distances from two or more DME ground stations can be used to determine aircraft position for DME-DME area navigation.
System Installation Considerations
The GDM 4500 is a modern digital radio intended for installation in turbine aircraft and helicopters, with an environmentally hardened chassis. Feature availability varies by display and requires a compatible Garmin system. An L-band DME antenna, sold separately, is required to complete the installation.
Not sure this is the right fit for your aircraft?
Avionics compatibility can vary based on your aircraft, existing equipment, and planned installation. Give Neal Avionics a call or send us an email—we’ll be happy to help you review the product and determine whether it fits your needs.
FLY WITH PRECISION DISTANCE MEASUREMENT
Designed for high-performance turbine aircraft and helicopters, the GDM 4500 remote-mount DME works with select Garmin integrated flight decks and displays to provide slant-range distance calculations relative to DME ground stations.
THE DME SOLUTION FOR TODAY’S FLIGHT DECKS
GDM 4500 DME is a modern digital radio, designed for installation in turbine aircraft and helicopters with an environmentally hardened chassis.
MULTICHANNEL OPERATION
GDM 450R can allow pilots to tune and track up to two separate DME frequencies. With an optional enablement and compatible avionics, the aircraft’s FMS1 can automatically scan and tune up to three additional DME frequencies.
DME HOLD CAPABILITY
For added navigation flexibility, the DME “hold” function lets you maintain your active DME distance indication when tuning the associated NAV radio to a different frequency. This function is particularly useful for instrument approaches where it becomes necessary to tune the localizer or other approach aid while needing to retain your NAV’s referenced DME information.
DME-DME AREA NAVIGATION (RNAV)
With a compatible flight deck or display, the GDM 4500 radio can use the distances from two or more DME ground stations to determine the aircraft’s position. This enables the DME to support RNAV routes, providing an alternative navigation option.
ROBUST INTERFACING WITH ARINC 429
GDM 4500 integrates directly with compatible Garmin displays — no interface adapter is required. Additionally, it supports ARINC 429, RS-232 and King Serial connections. ARINC 429 provides a digital interface for third-party navigation units and displays on the aircraft.
COMPLETING THE SYSTEM
In addition to compatible navigation equipment and flight displays in your aircraft, you’ll need an L-band DME antenna (sold separately) to complete your GDM 4500 system installation. See your Garmin dealer for recommended antenna options and mounting configurations.
Environmentally Hardened
GDM 4500 is designed for high performance turbine aircraft and helicopters.