Skip to content
Define AviationCFI lesson plans to teach aviation lessons

WAAS

Navigation

All definitions
« Back to Glossary Index

Wide Area Augmentation System

The Wide Area Augmentation System augments GPS with correction and integrity data, enabling vertically guided approaches such as LPV.

Source FAA Aeronautical Information Manual · checked 2026-08-25

« Back to Glossary Index

More in Navigation

Enjoying Define Aviation ad-free?

Chip in and ads disappear right away in this browser — cancel anytime, no account needed.

Secure checkout via Stripe — Apple Pay, Google Pay, and cards.