Practice question

What is the primary function of Receiver Autonomous Integrity Monitoring (RAIM) in aircraft GPS navigation systems?

To detect and alert the pilot if a satellite is transmitting corrupt navigation signals
To automatically adjust fuel flow based on satellite routing winds
To transmit the aircraft's fuel state to ATC en-route sectors
To calibrate the aircraft's magnetic compass during en-route turns

Answer: A — To detect and alert the pilot if a satellite is transmitting corrupt navigation signals

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