Features April 2012 Issue
Stalking the Elusive LP
The plate says itís an option. Your GPS software and database are up-to-date. Yet that new LP approach refuses to load. That could be a plus if you like vertical guidance.
With the advent of WAAS, the FAA developed approaches that provided vertical guidance while offering the lateral accuracy that previously was only available with an ILS or localizer approach. It was named LPV for Localizer Performance with Vertical and now sports decision heights as low as 200 feet.