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Required Navigation Performance

Required Navigation Performance (RNP) is a specification of performance-based navigation (PBN) that relies on area navigation but strictly requires the aircraft's onboard systems to have performance monitoring and alerting capabilities. This ensures the aircraft stays within highly specific navigational tolerances.

Key Points

  • •Designated by the prefix RNP, such as RNP 2 or RNP APCH.
  • •Differs from standard RNAV due to the mandatory onboard performance monitoring and alerting features.
  • •Allows for precise navigation, including complex instrument approach and departure procedures.

Exam Relevance

Understanding RNP concepts is essential for modern flight planning, particularly when navigating via GNSS and interpreting en route charts.

Related Terms

global navigation satellite systemlowest safe altitude

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Required Navigation Performance | The Pilot Exam