Instrument Rating Exam · Mock exam

Performance monitoring and alerting (PMA) in an RNP system means:

• A.ATC monitors the aircraft's position using surveillance radar and alerts the pilot whenever it is off-track
• B.The navigation system monitors its own accuracy and alerts the crew if the required navigation performance cannot be met
• C.The GNSS receiver sounds an audible alert whenever any single satellite signal is momentarily lost
• D.The FMS alerts the crew whenever the loaded route differs at all from the originally filed flight plan