Satellite Based Navigation (SatNav)
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The FAA plans to transition the U.S. National Airspace System (NAS) navigation infrastructure to enable performance-based navigation (PBN) as part of the Next Generation Air Transportation System (NextGen). The FAA plans to transition from defining airways, routes and procedures using VHF Omni-directional Range (VOR) and other legacy navigation aids towards a NAS based on Area Navigation (RNAV) everywhere and Required Navigation Performance (RNP) where ben-eficial. Such capabilities will be enabled largely by the Global Positioning System (GPS) and its augmentations such as the Wide Area Augmentation System (WAAS) and Ground Based Aug-mentation System (GBAS). As a result of this transition, the need for ground-based navigation services will diminish, and the number of federally provided ground-based facilities will be re-duced accordingly, but with sufficient time for users to equip with SATNAV avionics.
Type of Operation | Guidance Materials | Overview Presentations | Approval Mechanism | Additional Information |
---|---|---|---|---|
GLS Ground Based Augmentation System (GBAS) Landing System | AC-120-29A | OPSEC / MSPEC / LOA Guidance C052 | FAA GBAS NAS Resource Guide |
|
RNAV Visual Flight Procedure | Order 8260.60 | NAS Resource Guide | ||
RNAV Systems on Conventional Routes | AC 90-108 | OPSPEC / MSPEC / LOA guidance B034 | NAS Resource Guide | |
B-RNAV and P-RNAV | OPSPEC / MSPEC / LOA guidance B034 | NAS Resource Guide |
Last updated: Friday, July 28, 2023