Garmin GNS 430 WAAS Nav / com

GNS 430W comes with built-in WAAS navigation capabilities. It is 

approved to fly LPV "glideslope" approaches without reference to 

ground-based navaids of any kind. Featuring an advanced 15-channel 

receiver capable of 5 position updates per second, GNS 430W meets 

stringent TSO C146a FAA standards for WAAS "sole means" navigation - 

providing vertical and lateral approach guidance into thousands of  

airports previously inaccessible in IFR conditions.