Icao performance based navigation pbn manual
ICAO performance-based navigation ( PBN) specifies that aircraft RNP and RNAV systems performance requirements be defined in terms of accuracy, integrity, availability, continuity, and functionality required for the proposed operations in the context of a particular airspace, when supported by the appropriate navigation infrastructure.[1] Contents 1 Description 2 Impact on airspace planning 3 Transition to PBN 4 Scope 5 On-board performance monitoring and alerting 6 RNAV and RNP specific functions 6.1 Fixed radius paths 6.2 Fly-by turns 6.3 Holding pattern 6.4 Offset flight path 7 Minimum navigation performance specifications 8 Future developments 9 References 10 External links Description[edit] Historically, aircraft navigation specifications have been specified directly in terms of sensors (navigation beacons and/or waypoints). A navigation specification that includes an additional requirement for on-board navigation performance monitoring and alerting is referred to as a required navigation performance ( RNP) specification. One not having such requirements is referred to as an area navigation ( RNAV) specification. Performance requirements are identified in navigation specifications, which also identify the choice of navigation sensors and equipment that may be used to meet the performance requirements. The navigation specifications provide specific implementation guidance in order to facilitate global harmonisation. Under PBN, generic navigation requirements are first defined based on the operational requirements. Civil aviation authorities then evaluate options in respect of available technology and navigation services. A chosen solution would be the most cost-effective for the civil aviation authority, as opposed to a solution being established as part of the operational requirements. Technology can evolve over time without requiring the operation itself to be.
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