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CNS/ATM RNP RNAV

RNP RNAV Definition:

  • RNAV - Navigate between fixes using GPS with integrity as the primary means of navigation
  • RNP- Conforming to Required Navigation Performance of Civil Airspace

Certified Accurate and Repeatable Aircraft Navigation Performance

RNP RNAV Navigation (Example RNP 2)
RNP RNAV = Flight with PPS GPS to NPA + “Containment”


CNS/ATM RNP RNAV Phases of Flight/Performance Requirement

Taxi; Take Off; Initial Climb; Departure RNP 0.3 to 1; En Route - RNP - 2 (Domestic), RNP - 4+ (Oceanic); Terminal RNP -1; Non Precision Approach RNP-1 to 0.3; Precision Approach & Landing - CAT I RNP-TBD, CAT II RNP-TBD, CAT III RNP-TBD; MISSED APPROACH RNP 0.3 TO 1.
Performance Requirement:

  • Lateral Accuracy within RNP Value 95%
  • Integrity 10-5 Per Flight Hour
  • Continuity 10-4/10-3 Per Flight Hour
    (dual thread/single thread)
  • Containment = 2 X RNP

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