Avionics Report

February 2015 Issue

Deal Carefully on a Used GNS530W

While Avidyne’s IFD540 plug-and-play GPS navigator is opening the flood gates for removed Garmin GNS530W systems, don’t look for steal deals. Private sellers and reputable retailers—which we define as established avionics shops with Garmin and Avidyne dealerships—sell the units for $8000-$9000, on average. This price should include a mounting rack, connector kit, connector backplate and GPS antenna. It likely won’t include a navigational indicator, the preferred standalone choice being Garmin’s GI106A. It’s a high-quality OBS resolver-style indicator equipped with integral nav source mode annunciation. Add $2500, on average, to the project for a new one, although there are some on the used market for a bit less. The King KI209A indicator will work, too. The KI209A is often paired with the BendixKing KX155A/KLN-series GPS package found in early 2000-vintage Cessnas and in some later Piper models. Most analog and electronic HSI systems will work, too. Use caution, however, with Sandel SN3308 EHSI displays that have older software. Budget $2000 to have it upgraded so it can display the WAAS GPS glideslope signal from a GNS530W/430W.

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