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WIDE‐AREA AUGMENTATION SYSTEM (WAAS)

Pilot/Controller Glossary with JO 7110.65BB, Change 3, effective July 9, 2026 · Official text on faa.gov

The WAAS is a satellite navigation system consisting of the equipment and software which augments the GPS Standard Positioning Service (SPS). The WAAS provides enhanced integrity, accuracy, availability, and continuity over and above GPS SPS. The differential correction function provides improved accuracy required for precision approach.

Also called WAAS.

In the 7110.65

Used in 3 paragraphs of JO 7110.65BB.

  1. 1-2-6Abbreviations
  2. 2-1-10Navaid Malfunctions
  3. 4-8-1Approach Clearance