Avionics Report

September 2007 Issue

Portable Traffic Nags: Zaon, Prox Alert Prevail

Zaonís MRX is an impressive performer and our top-value pick. The Prox Alert had the best overall track-ing performance, but none warned of all the threats.

Although the odds of it happening are higher than, say, getting whacked by an errant comet, midair collisions donít rank as top accident causes. Letís hear it for big sky theory. Nonetheless, enough pilots worry about midairs to have sparked a lively market in both panel-mount and portable traffic alerters. Between the portable and panel mounts, there are at least seven systems available ranging in cost from under $500 to nearly $20,000. But are the portables really worth the investment? We think the answer is yes, if a midair collision rises to the top of your list of personal fears. Even the most expensive alerteróZaonís XRXóis still a relatively modest investment and although it wonít see all of the traffic, it will see enough to earn its keep.

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