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Private Pilot Airplane practice question 51
If Receiver Autonomous Integrity Monitoring (RAIM) capability is lost in-flight,
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Correct answer: B. the pilot has no assurance of the accuracy of the GPS position.
RAIM is how the receiver checks the integrity of the satellite signals. Without RAIM there is no assurance that the GPS position is accurate.
References
- Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), p. 16-31, Navigation · search it in our library
- AIM 1-1-17
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Question 51 from the FAA document Private Pilot-Airplane (PAR) Sample Questions (U.S. Government work, public domain) · ACS/LSC code PA.VI.B.K2. The FAA does not publish an answer key; the answer and explanation are ours, with references. Verify against the current regulations and handbooks.