Satellite Navigation - NAS Implementation - Procedures

The Global Positioning System (GPS) and other satellite navigation systems enable greater flexibility in the design of instrument approach procedures. This increased flexibility provides benefits to pilots, airlines, air traffic controllers, aviation service providers, and others.

Satellite Navigation Instrument Approach Procedures (IAP) Overview

In the U.S., satellite navigation systems used for aviation include GPS, the Wide Area Augmentation System (WAAS), and the Ground Based Augmentation System (GBAS). There are several types of Instrument Approach Procedures (IAPs) associated with these systems.

Procedure Development Process

Procedure development includes meeting airport survey requirements; developing procedures; conducting flight inspections, environmental surveys, official rule-making; and designing and developing instrument flight procedure, and publishing those in databases and charts. More information is available in the documents noted below.

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Last updated: Monday, March 06, 2023