The availability of Wide Area Augmentation System (WAAS)-capable approach procedures is a significant enabler of WAAS benefits in the United States. View the latest status of U.S. WAAS approach procedures.
Airports with Global Positioning System (GPS) or WAAS-enabled LPV/LP approach
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Publication Dates for New Procedures
New procedures are published for use in the National Airspace System (NAS) every 56 days through the Terminal Procedures Publication (TPP) process. However, procedures can also be published during the interim months through the Operations Change Notice (OCN) process.
28 and 56 day schedule
Download schedule (PDF)
Note: Data on this page, including the attached spreadsheets, is derived from Aeronautical Information Services (AIS) Flight Information Publications. Data is for informational purposes only and should not be used as official information in any capacity related to flight operations. For official information, please consult the current Flight Information Publications.