Aircraft-based augmentation system (ABAS) definition

Aircraft-based augmentation system (ABAS) means a system that augments and/or integrates the information obtained from the other GNSS elements with information available on board the aircraft. The most common form of ABAS is receiver autonomous integrity monitoring (RAIM).

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Aircraft-based augmentation system (ABAS) means [...] (ba) ‘Airport moving map display (AMMD)’ means [...]