The GI 275 Base variant can be utilized as a CDI/MFD with features such as traffic, weather, terrain, SafeTaxi® airport diagrams, and more. When installed as a CDI, the GI 275 flight instrument, when paired with select VHF Nav radios or GPS navigators, can serve as your primary indicator for making, adjusting and tracking course selections. It is designed to accept a variety of GPS or navigation inputs, allowing up to two GPS sources and two VHF navigation sources. The GI 275 features an Omni Bearing Resolver that allows the flight instrument to interface to a variety of legacy navigation sources without the need for an expensive adapter. CDI source selection can be accomplished through the touchscreen interface, while course and heading selection is completed by using either the touchscreen or dual concentric knob. When pilots replace an older mechanical CDI, the GI 275 doubles as a modern digital indicator and adds MFD-like capabilities such as a moving map, weather, traffic and terrain.
Multifunction Display Functionality
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|GPS Source||Garmin||Internal VFR GPS|
|GNS 430W/530W Series|
|GTN 650/750 Series|
|GTN 650Xi/750Xi Series|
|GTX 335/345||Requires Integrated GPS Variant|
|GPS 175/GNC 355/GNX 375|
|Database Updating||Garmin||GSB 15|
|Garmin Pilot App|
|Navigation Receiver||Garmin||GNC 255|
|GNS 430W/430AWGNS 530W/530AW|
|GNS 480 (CNX80)|
|Honeywell (Bendix/King)||KX 155/155A/165/165A|
|Radar Altimeter||Garmin||GRA 55/5500|
|Honeywell (Bendix/King)||KRA 405B|
|Traffic Source||Garmin||GTS 800/820/825/850/855|
|GTX 33/330/335||TIS-A Only|
|Avidyne (Ryan)||TAS 6XX/TCAD|
|Weather Source||Garmin||GDL 69A||GTN Series, GTN Xi series or TXi Series must also be connected|
|L-3 Communications||WX-500 Stormscope||GTN Series, GTN Xi series or TXi Series must also be connected|
Please note, Pilotshop.com's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Pilotshop.com assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Although there is a version that is approved for CLASS III aircraft. This particular part number, part # 11-17861, is not.
Per Garmin: The installation manual can be released after the purchase of the unit. You can send your request to firstname.lastname@example.org after completing the sale.
The list of applicable interfaces is posted on the web page. The KLN90B is not a compatible unit.
Per Installation Manual Rev3/Pag 1-5: The GMU 11 is compatible with the GI 275.
Yes, per the Manufacturer installation manual Rev 1 , Page C-11 this unit is compatible with the STEC 30 and 50.
Versions of the GI 275 that we sell are able to be installed by an A&P or Avionics Installer. Other versions will require a Garmin Installer. This CDI / MFD model and the EIS models can be installed by an A&P.
Simply adding the magnetometer does not made it the HSI version. As it must be programmed by the manufacturer to include the internal ADAHRS. However, the magnetometer will be needed when purchasing that configuration.
Per Garmin, it will not provide annunciations for the GNS430W.
The GI275 only accepts a backup GPS antenna.
This version of the unit does not have support for interconnection to an Autopilot.