Weekly tips, technique and training from IFR.

Features September 2015 Issue

What’s In a Route?

In the not-too-distant past, routes were so simple, weren’t they? It seemed like all you had to know was the difference between low-altitude Victor airways, and high-altitude Jet routes. These VOR-based routes shaded in black on enroute charts were joined by blue-shaded RNAV-based routes over a decade ago. Low altitude T-routes, high altitude Q-routes, and low altitude helicopter TK-routes have become quite common, and will likely eventually outnumber VOR-based routes. (Where an RNAV route is co-located with a VOR-based route, it is sometimes called a joint route.)

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