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Bennett Avionics

GNS-430W WAAS IFR GPS / NAV / COMM / MFD / Moving Map / Glideslope


GNS-430W WAAS IFR GPS / NAV / COMM / MFD / Moving Map / Glideslope

Product Information
Part Number: P/N: 011-01060-00 - Black faceplate, 14/28 V
Part Number: P/N: 011-01060-10 - Gray faceplate, 14/28 V
Part Number: P/N: 011-01060-40 - Upgraded from GNS-430, black faceplate, 14/28 V
Part Number: P/N: 011-01060-45 - Upgraded from GNS-430, black faceplate, 28 V-only
Part Number: P/N: 011-01060-50 - Upgraded from GNS-430, gray faceplate, 14/28 V
Condition: Serviceable
Certification: 8130-3
Voltage: 14/28 V or 28 V-only
Included: GPS Antenna, Rack, Connector, Existing Database, 90 Day Warranty
Comments: All GNS-430W (WAAS version) units say "GNS-430" on the faceplate. The difference is noted on the data tag, with a different model number and part number, but not on the faceplate.
Comments: This WAAS Receiver is compatible with the European EGNOS and Asian MSAS precision GPS systems.
Comments: We currently have 1 x 28 V-only GNS-430W (P/N: 011-01060-45) available at a significant discount.

Product Description

This is the GNS-430W, a newer and much-improved version of the popular GNS-430. There are a number of improvements in the GNS-430W, but the primary ones are WAAS Approach Capability and Terrain Information.

WAAS Approach Capability - WAAS, or Wide Area Augmentation System, is a fundamental improvement to GPS accuracy. By adding a series of ground stations and geostationary satellites, WAAS GPS is typically 5 times more accurate than "regular" GPS. This means that it is now possible to fly a complete "Virtual Glideslope" approach into an airport with no local ground-based navigation aids whatsoever. A GNS-430W makes the following approaches available:

  • LNAV (Lateral Navigation): This is a new name for non-precision GPS approaches as we have known them. Like all non-precision approaches, this has a minimum descent altitude (MDA), based on obstructions and terrain.
  • LNAV/VNAV (Lateral Navigation / Vertical Navigation): This class of approach provides Glideslope vertical guidance with a decision altitude (DA) typically 350 feet AGL.
  • LPV (Localizer Performance with Vertical guidance): This is the most precise of the WAAS GPS approaches, the GPS equivalent of a Cat I ILS approach. It also offers Glideslope vertical guidance, but the DA is lower, typically from 200-250 feet AGL.

There are thousands of FAA-approved LPV WAAS approaches, with more being added regularly. The FAA's stated goal is to have a WAAS approach available for every public runway at least 3,200 feet long. To see if the airports you use offer WAAS capability, please click here for the FAA's information about GPS/WAAS Approaches.

Terrain Information - With the GNS-430W, the terrain database is standard (for improved awareness and safety), and it provides this information with greater resolution and precision than the GNS-430. It is possible to add terrain information to a GNS-430, but this is an expensive option.

Other GNS-430W improvements over the GNS-430 include:

  • Faster position calculations and screen updates (5x per second)
  • Improved annunciation
  • Holding patterns
  • Autopilot roll steering
  • Parallel track calculation
  • Dead reckoning (This is a backup if GPS signal is lost)
  • More informative status pages
  • Better, faster communication between dual GNS-430W / GNS-530W installations
  • Configuration for GDL-69 / GDL-69A XM Receivers (if installed)
  • Simplified installation paperwork

The Garmin GNS-430W may be used with any of these Indicators (the Garmin units are the official choices):

If you have any questions about this item, please click Garmin GNS-430W WAAS IFR GPS / NAV / COMM / MFD / Moving Map / Glideslope to send us an email.

Warranty Information

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