Practice question

In Performance-Based Navigation (PBN) under ICAO Doc 9613, what performance criteria does the designation 'RNP 1' require of an aircraft's navigation system?

  1. The navigation system must maintain position accuracy within 1.0 NM lateral distance from route centerline for at least 95% of total flight time
  2. The aircraft must complete 1.0 NM turns without exceeding 15 degrees bank angle
  3. The aircraft must receive ground updates from 1 VOR station every 10 minutes
  4. The navigation system accuracy must not exceed 100 meters horizontal error

Answer: A — The navigation system must maintain position accuracy within 1.0 NM lateral distance from route centerline for at least 95% of total flight time

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