May 2010 Issue

Investing In WAAS

Will a pricey WAAS add-on to the average aircraft up the ante on safety and performance?

The FAA’s Wide Area Augmentation System (WAAS) has been widely hyped as a boon to safety because it offers more precise approach guidance with vertical capability. While that’s true on some approaches, it can also cost an aircraft owner a bundle of money. Worse, the market offers limited choices in equipment—Garmin’s GNS430/530W and G1000 are among the short list. There are plenty of reasons to buy WAAS, and for many new installations WAAS comes standard. There’s also ADS-B, which relies on a WAAS-enhanced GPS position. But is the safety enhancement worth the upgrade costs for the typical pilot? And what exactly are you getting out of the WAAS deal?

To continue reading this entire article you must be a paid subscriber.

Subscribe to Aviation Safety

The monthly journal of risk management and accident prevention, is packed with useful, timely information on basic and advanced technique, accident analysis and, most important, practical articles on how you can develop the judgment that will keep you in the air and out of the NTSB's files.

Already subscribe but haven't registered for all the benefits of the website? Click here.

Subscriber Log In

Forgot your password? Click Here.