Performance Based Navigation Abbreviations and Definitions
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Introduced by Sofema Aviation Services (www.sassofia.com) ABAS Aircraft-based Augmentation System – An augmentation system that augments and/or integrates the information obtained from the other GNSS elements with information available on board the aircraft. Augmentation of a global navigation satellite system (GNSS) is a method of improving the navigation system’s attributes, such as accuracy, reliability, and…