Garmin’s New GPS 175 and GNX 375 Offer WAAS/LPV Approach Capability

Owners get to keep many of their legacy flight instruments.

Garmin GNX 375
This GNX 375 includes ADS-B Out for aircraft not already equipped.Courtesy Garmin

Garmin just added a pair of new WAAS GPS navigators to its lineup, the GPS 175 and the GNX 375, which will allow pilots to use WAAS or SBAS to fly LPV instrument approaches. The GPS 175 is a standalone certified IFR navigator offers a color touchscreen display with advanced features and capabilities, while the GNX 375 has all the capability of the GPS 175 but adds Automatic Dependent Surveillance-Broadcast (ADS-B) Out, as well as dual-link ADS-B In via a built-in transponder. These two new units are perfect replacements for earlier-generation products like the GPS 150/155 series, the GX 50/55, as well as the KLN 89/90/94 series.

Importantly, aircraft owners won’t have to make significant panel modifications to accommodate the new GPS 175/GNX 375. Both are certified for aircraft weighing under 6,000 pounds including experimental and amateur-built machines and have received Supplemental Type Certification (STC) for installation in more than 700 aircraft makes and models.

The GPS 175/GNX 375 includes a color touchscreen display and a familiar Garmin user interface that enables quick and intuitive entry of flight plan information, with a dual concentric knob and dedicated home button for added versatility when interfacing with the touchscreen. Dedicated pages within the GPS 175 include a moving map, flight plan, nearest, procedures, waypoint information and terrain pages while the GNX 375 adds traffic and weather pages. The addition of a dedicated direct-to button on the touchscreen offers quick access to direct-airport or waypoint navigation. Customizable data fields and short cuts on the moving map to pilot-selectable pages such as the nearest airport allow for quick, one-touch access to important information in-flight.

Pilots can also leverage the touchscreen and moving map to generate customized holding patterns over an existing fix in the navigation database or a user-defined waypoint and easily insert it into a flight plan. The GPS 175/GNX 375 also offers visual approaches to provide lateral and vertical approach guidance in visual flight conditions. Aircraft owners can retain many of their existing flight instruments, audio panels and many legacy CDI/EHSI indicators such as the KI 209, or easily pair it with a new or existing flight display like the G5 electronic flight instrument.

The GPS 175 and GNX 375 are expected to be available in April and can be purchased through the Garmin Authorized Dealer network starting at a suggested list price of $4,995 and $7,995 respectively. A free Garmin GPS 175/GNX 375 trainer app is available for download to Apple mobile devices, to allow customers to experience the feature set of these navigators.