Radio Navigation - PBN - PBN NAV SPEC

5 important questions on Radio Navigation - PBN - PBN NAV SPEC

Nav Spec defines performance of RNAV systems in terms of

Accuracy
Integrity
Continuity
Availability
Functionality
Choice of navigation sensors
Flight crew knowledge and training requirements

RNAV / RNP prefixes

A: Advanced
B: Basic
P: Precision

Total system accuracy subdivided in

Position Accuracy
  • Expressed in navigation system error (NSE)
Track keeping accuracy
  • Expressed in flight technical error (FTE): afwijking van desired path, piloot of autopiloot heeft hier invloed op
Database accuracy
  • Expressed in path definition error (PDE): afstand geprogrammeerde track en geplande track
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PBN lateral (and vertical) indications

Primary Flight Display (PFD)
Navigational Display (ND)

Navigation data storage

Leg transitions
  • Fly-by and fly-over waypoints
  • Fixed radius transitions (FRT) and Radius to Fix (RF)
  • ARINC-424 Path terminators
Parallel offsets
Holding patterns
Direct to's
SIDs and STARs
Approaches

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