Avionics Report

December 2007 Issue

WSI’s New Datalink: Lots of Display Choices

Given its toe stub with its previous weatherlink system, WSI has fences to mend. A fair trade-in deal for current owners is a good start.

While it’s a stretch to say everyone flies with datalink weather gear, we’re certainly seeing more of it by the month. Garmin, with its XM-based WxWorx systems, dominates the market with others—Bendix/King and WSI—running far behind. It shouldn’t really be this way, however. Despite the current XM hoopla, WSI (Weather Services International) was first out of the gate with reliable satellite-based weather, but was quickly outpaced by XM-based systems for two reasons: WSI ran into unresolvable technical snags with their satellite technology and they fooled with Mother Nature: They reverse-engineered a GNS400/500 interface without Garmin’s cooperation, effectively stunting vibrant growth.

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