Chapter 15 PBN Flashcards
Define PBN
Area navigation based on perf requirements for aircraft operating on:
- an ATS route
- an instrument approach
- in designated airspace
What are the benefits of PBN?
- performance based
- computed data
- integrated perf monitoring and alerting
What ground and space aids are used by PBN?
VOR, DME, INS/IRS and GNSS
Define total system error (TSE)
The difference between the actual flight path of the aircraft and the flight path required by the navigation application
What are the 3 components of TSE?
Path definition error (PDE), flight technical error (FTE) and navigation system error (NSE)
What is PDE?
Occurs when the path defined in the rnav system nav database doesn’t exactly correspond with the defined path as published
What is NSE?
The difference between the aircrafts estimated and actual positions
What is FTE?
The limitations of the pilots/autopilot cause inaccuracies
What is the integrity of PBN?
The level of trust that can be placed in the nav system
What is the availability of PBN?
The % of time that the system is usable
What is the continuity of PBN?
The capability of the nav system to function with the specified accuracy and integrity
Describe the capability rnav lateral offset function?
Lateral offset of 1nm intervals up to 20nm
When is lateral offset cancelled automatically?
- entering a terminal area
- starting an approach procedure
- at an rnav hold
- during a course change of 90 degrees or more
How often must you fly inside the containment limit?
99.99999% of the time
How often must you fly inside the protection limit?
95%
