Aviation's Panel Mount Avionics Installation Leader


This self-contained unit provides the required WAAS annunciation for the Garmin GNS 430W/530W series of WAAS receivers. Available in 14V and 28V models, with choice of vertical or horizontal orientation.

  • Compatible with Garmin GNS 430W/530W WAAS Receivers
  • Compact, self-contained GPS Annunciation unit
  • More than 25,000 MD41s currently in service
  • 10,000 hour lamp with automatic photocell dimming and proven daylight-readability
  • Horizontal configuration
  • Reduces installation costs: Single cutout, Panel punches available, Easy-to-wire D-subminiature connector (Requires a 15-pin connector)
  • Designed and built in Wichita, Kansas, USA
  • One year limited warranty

  • Dimensions: 0.75”H x 2.45”W x 2.50”D
  • Certified TSO C129a
  • Meets RTCA DO-160C environmental specs (certified to 55,000 feet)
  • Quality Mil-Spec connector included

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California Residents:

Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.