Avionics Report

January 2001 Issue

The Case for ADS-B

Itís not here-and-now just yet but shows promise. The hard sell will be getting owners to equip on a large scale.

[IMGCAP(1)] As we sailed down final at an uncontrolled airport near Louisville, Kentucky recently, it was clear that company was coming. Another light aircraft was approaching at traffic pattern altitude.

Back in the air for another touch and go, we turned downwind as the other airplane tucked in behind us, out of sight in the downwind. But we never lost track of the Cessna 210. Its altitude, speed and direction were neatly displayed in the cockpit of our Bonanza.

Better yet, a delta-shaped symbol showed the position of the Cessna and an extended vector line showed where the airplane would be a minute later. No guesswork required.

Welcome to the revolutionary world of ADS-B, or Aut...

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