GNSS Library - Documents

This section contains various reference documentation related to the projects of the FAA's Global Navigation Satellite Systems (GNSS) Group.

General SatNav

WAAS and NOTAMS Overview

Phase II of the GNSS Evolutionary Architecture Study, February 2010


GNSS Evolutionary Architecture Study, Phase I - Panel Report, February 2008

GPS and WAAS Concepts Course Material

GPS NavCan Concepts Course Exam Instructor

Federal Aviation Administration’s Flight Plan 2007-2011

Global Positioning System Standard Positioning Service (SPS) Performance Standard, October 2001

2008 Federal Radionavigation Plan

White House Commission on Aviation Safety and Security Final Report, February 12, 1997

U.S. Space-Based Positioning, Navigation, and Timing Policy Fact Sheet, December 15, 2004



Air Traffic Bulletin - What Controller Need To Know About WAAS, June 2008

Maximizing Airport Operations Using the Wide Area Augmentation System

GPS and WAAS Concepts Course Material

GPS NavCan Concepts Course Exam Instructor

WAAS Procurement Specification - Preplanned Product Improvements for Full Operational Capability, September 29,2004 (MS Word, 693 KB)

FAA Statement of Work - WAAS Full LPV Performance - Version 11, September 24,2004 (MS Word, 520 KB)

WAAS Specification FAA-E-2892b (PDF, 1.4 MB)

WAAS Benefits Register, April 23, 2004 (MS Word, 171 KB)

Persistent Problems in FAA's New Navigation System Highlight Need for Periodic Reevaluation, GAO, June 2002 (PDF)

WAAS Independent Review Board Executive Summary (PDF, 32 KB)

WAAS Independent Review Board Report (PDF, 3.1 MB)
This report has been prepared by the Institute for Defense Analyses (IDA) based on an independent assessment performed at the direction of the FAA Administrator. The FAA Administrator has authorized the release of this document to the public through this website.



The Ground Based Augmentation System (GBAS) program is managed by the FAA Aviation NextGen and Operations Planning Service Unit (ANG-C32) at the FAA William J. Hughes Technical Center. More information can be found at


NAS Implementation

Roadmap for Performance Based Navigation, July 2006 (PDF, 1.5 MB)

The Evolution from Area Navigation (RNAV), Required Navigation Performance (RNP), to RNP RNAV (MS Word, 264 KB)



FAA letter to the Director General of Mexico, July 21, 1998 - GIF format

Letter from the Undersecretary of Transportation of Mexico Unofficial Translation, June 22, 1998 -GIF format


Acronym List

Acronym List (MS Excel, 239 KB)