GI 275

Garmin GI 275

Replace Analog Gauges with Electronic Displays

The GI 275 is a versatile electronic flight instrument designed to replace a range of legacy cockpit instruments. Suitable for over 1,000 single-engine and multi-engine aircraft models, this 4-in-1 instrument can function as an attitude indicator, CDI, HSI, MFD, or EIS. It seamlessly integrates into the standard 3.125-inch flight instrument size, ensuring quick installation while preserving the existing panel. Additionally, it's compatible with various third-party autopilots without needing an interface adapter. The GI 275 boasts built-in Wi-Fi® and BLUETOOTH® technology, offers up to 60 minutes of backup battery power, and has received FAA approval for immediate installation.

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Introducing G 275, a powerful electronic flight instrument that directly replaces legacy primary flight instruments in the cockpit.

The GI 275 is suitable as a direct replacement for a variety of instruments including, an attitude indicator, attitude directional indicator (ADI), course deviation indicator (CDI), horizontal situation indicator (HSI) and engine indication system (EIS).

Capable of serving as a 4-in-1 flight instrument, the GI 275 can also be installed as a standby to a number of glass flight displays and is available with a 60-minute back-up battery. Lightweight and compact, it is intentionally designed to take advantage of the common 3.125-inch flight instrument size, reducing installation time and preserving the existing aircraft panel.

It’s also compatible with a variety of third-party autopilots and does not require a separate interface adapter, further reducing installation labor.

The GI 275 has received FAA approval and is available immediately for installation in over 1,000 single-engine and multi-engine aircraft models.

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Garmin GI 275 in the Online Shop
  • Out with the old, in with the new. It flush mounts in a standard 3-1/8” round cutout.
  • From piston singles to jets, it’s STC’d for more than 1,000 make/model aircraft.
  • How do you see it? Attitude, altitude, airspeed, CDI, HSI, MFD or EIS.
  • It’s available with precise digital ADAHRS and interface to drive select autopilots.
  • Connect your cockpit with built-in Wi-Fi® connectivity and BLUETOOTH® technology.
  • Know you’ll get home with up to 60 minutes of optional backup battery power.

Fly with an attitude that inspires trust.

BASIC-ATTITUDE-bc9b0c6c-1d04-4d6c-bfbc-c3d3e713e41b
BASIC ATTITUDE
Save weight and maintenance expense: replace that aging vacuum pump-driven attitude indicator — such as the KI-256 — with a reliable solid-state ADAHRS-driven GI 275 electronic display.
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A LESS ARTIFICIAL HORIZON
To add situational awareness, your display can overlay attitude reference on an optional Garmin SVT™ synthetic vision landscape with flight path marker integration.
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INSTRUMENT CONSOLIDATION
As your primary flight reference instrument, GI 275 features an integrated display to support all the essential readouts — attitude, altitude, airspeed and heading.
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EDGE-TO-EDGE DISPLAY
The bright, high-resolution GI 275 touchscreen is sunlight-readable and maximizes the available space within the instrument panel cutout.
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REFERENCE MARKERS

The GI 275 instrument can support display of selectable references to mark your arrival at a preselected altitude, heading or airspeed. Think overshoot avoidance.

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ADI AUTOPILOT INTEGRATION
With optionally available built-in autopilot interface, GI 275 can provide precise attitude information to drive select autopilots (including the GFC™ 500 autopilot) and display flight director command bar cues1.
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STANDBY ADI
For select aircraft and glass cockpit systems2, GI 275 can function as a standby flight instrument with MFD capability3 for mapping, traffic, weather and more.
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KNOB OR TOUCH CONTROLS
The touchscreen on GI 275 makes accessing its functions a breeze. A traditional concentric knob is also available for those who prefer that style of data input.
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COMPATIBLE WITH SMART GLIDE™ TECHNOLOGY
When paired with the GTN™ Xi series navigator, GI 275 enables Smart Glide™ to give you a helping hand during an engine failure — including recommending an airport and creating a Direct-to route so you can land.
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Gain solid direction for primary navigation.

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NAVIGATION GUIDANCE
In addition to primary magnetic heading reference, GI 275 can accept inputs for VOR/LOC and/or GPS course guidance — along with distance and groundspeed indications.
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TRACK IN ALL DIMENSIONS
For climb/descent profiles and approaches, GI 275 can display both vertical and lateral GPS/VOR/LOC course deviation cues, when available.
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ENHANCED HSI
With appropriate Nav inputs, GI 275 can optionally add HSI course guidance overlaid on a moving map display with flight plan legs, terrain, weather and more.
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COMPLETE CDI SOLUTION
When paired with select VHF Nav/Comms or GPS navigators, GI 275 can serve as your primary indicator for making, adjusting and tracking course selections.
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DUAL ADVANTAGES
With dual GI 275 displays4 as your primary flight instrumentation, reversionary backup capability retains attitude and heading data5 on the remaining HSI or MFD if an outage should occur6.
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DIRECT-TO
For backup or nonprimary Nav reference, built-in VFR GPS capability5 enables convenient Direct-to guidance with position depicted on the moving map display.

See more information, not more instruments.

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MULTIFUNCTION DISPLAY
When configured as an MFD, GI 275 can serve multiple roles, supporting displays for moving map, traffic, lightning, weather, terrain, radar altimeter, CDI and more.
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MOVING MAP
Within the MFD configuration, a dynamic moving map page offers views of terrain features, airports, airspace boundaries, navaids, flight plan routings and more.
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TRAFFIC AND WEATHER
With select ADS-B “In” datalinks, GI 275 MFD pages will support subscription-free U.S. weather and traffic displays, including TargetTrend™ and TerminalTraffic™ technologies.
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ANIMATED NEXRAD
When paired with an optional GDL® 69 SiriusXM® receiver, the MFD-configured GI 275 offers display capability for satellite weather coverage with graphical NEXRAD imagery.
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RADAR ALTIMETER
For applications that require precise tracking of aircraft altitude above the terrain, GI 275 can provide display capability for select radar altimeters, including the Garmin GRA™ altimeter series.
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WIRELESS DATA STREAMING
Use built-in wireless connectivity to share data between GI 275 and compatible mobile apps. Import databases. Stream weather, traffic, attitude information, EIS and more5.
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TRANSPONDER CONTROL
In addition to ADS-B display capabilities, GI 275 can control GTX™ 345/GTX 345R and GTX 45R series transponders. This allows pilots to control settings — such as squawk code, ident and flight ID — directly from the instrument’s touchscreen display.
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See integrated engine, fuel and systems data.

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ENGINE INFORMATION SYSTEM
With optional interface module and sensors, GI 275 can serve as a primary EIS display for piston engine, fuel, electrical and other data. Display space is optimized with bar graphs, bar gauge indications and numerical readouts. Use dual GI 275 displays to monitor twin-engine aircraft.
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EGT/CHT MONITORING
Graphical display of cylinder head and exhaust gas temperatures allows you to pinpoint the optimal fuel/air mixture for efficient power management.
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LEAN ASSIST MODE
This function of the Garmin EIS automatically checks the EGT of all cylinders and identifies your preferred rich/lean setting to balance efficiency and performance. Normalized mode is also available.
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INTEGRATED FUEL COMPUTER
In addition to fuel quantity, the Garmin EIS monitors fuel flow and GPS information to estimate how much fuel, range and flight time you have left to go at current settings.
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EXCEEDANCES ALERTING
With EIS on your GI 275, color-coded pilot alerts/advisories help maintain engine performance and safety. Flashing cues quickly identify out-of-limit exceedances.
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FLIGHT SUMMARY DATA
See aircraft timers, max RPM/temperatures as well as fuel and lean data updated dynamically throughout each flight on the flight summary page — then review after landing.
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USER-SELECTABLE FIELDS
Customize the auxiliary page with the additional EIS information relevant to your flight — including fuel used, UTC time, ground speed, range and more.
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AUTOMATIC DATA LOGGING
EIS data on the GI 275 electronic display is automatically logged and available for wireless Connext® streaming to your mobile device — with automatic cloud storage in the flyGarmin.com® website.