Garmin has received supplemental type certification (STC) from the FAA for its GI 275 electronic flight instrument for Bell 407 and Robinson R66 helicopters. It is available for retrofit through authorized dealers and comes with a two-year warranty.
The GI 275 is a direct replacement for legacy primary flight instruments, including the primary attitude indicator, course deviation indicator (CDI), horizontal situation indicator (HSI), and multifunction display (MFD), and is sized to accommodate a standard 3.125-inch flight instrument display. Optional Helicopter Synthetic Vision Technology (HSVT) overlays a 3D topographic view of terrain, traffic, obstacles, power lines, and airport signposts within the GI 275 attitude display.
Among additional features are the display of outside air temperature, groundspeed, true airspeed and wind information on the attitude indicator, and wireless functionality, such as sharing of GPS position to the Garmin Pilot app. Helicopter Terrain Awareness and Warning System also is available on the GI 275, and its electronic flight instrument can be paired with Garmin’s GRA 55 or GRA 5500 radar altimeters or select third-party products.
The GI 275 can double as a digital indicator with MFD-like capabilities such as a moving map, weather, traffic, obstacles, WireAware power lines, SafeTaxi airport diagrams, and five-color terrain shading. A built-in VFR GPS enables direct-to-navigation guidance, displaying aircraft position information on a moving map, and when enabled, offers forward-looking terrain and obstacle-avoidance capability.