Performance Based Navigation (PBN)
Questions with Answers (100% Correct
Answers)
Where is RNP 10 used? Answer: Oceanic and remote areas
What is the difference between RNP and RNAV? Answer: RNP is a navigation
specification requiring on-board performance monitoring and alerting
What is an RNP system? Answer: An area navigation system cable of
achieving performance requirement of an RNP specification
What is currently the only means of achieving on board performance
monitoring? Answer: GNSS
What is a mixed navigation environment? Answer: Where RNAV and RNP
specifications coexist in the same airspace
RNAV is classified by the level of accuracy which must be achieved for what %
of flight time? Answer: 95%
What does RNAV 5 mean? Answer: Aircraft lateral position accurate to within
5nm of intended position for 95% of flight time
What does RNAV 1 mean? Answer: Aircraft lateral position accurate to within
1nm of intended position for 95% of flight time
The purpose of on-board monitoring is to ensure what 2 things? Answer: 1)
Integrity
2) Continuity
What does RNP 10 mean? Answer: Navigation system must be able to verify
its position to within a circle of a radius of 10nm
, 2
What does RNP 1 mean? Answer: Navigation system must be able to verify its
position to within a circle of a radius of 1nm
What guidance is provided during RNAV and RNP procedures? Answer:
Linear and angular guidance
What is the purpose of linear guidance? Answer: Reduces cross-track or along-
track error
What is the purpose of angular guidance? Answer: Reduces angle of error
between required and actual paths
The distance between an aircrafts current and required positions is known as
what? Answer: Cross-track or along-track error
In oceanic/remote, en-route and terminal phases of flight, PBN is limited to
operations with what? Answer: Linear lateral performance requirements and
time constraints
Linear guidance can be used to fly what type of flight path? Answer: Offset
flight path
What is an offset flight path? Answer: Where an aircraft maintains a fixed
distance left/right of defined track
When flying an offset flight path towards a position fix, what is the relationship
between angular deviation and distance from fix? Answer: Angular deviation
increases with decreasing distance from fix
Where is the final approach path encoded? Answer: Final approach segment
data block (FAS DB)
What does FAS DB mean? Answer: Final Approach Segment Data Block
The FAS DB is either predefined or transmitted by what? Answer: Predefined
in navigation database or transmitted by GLS ground station
Questions with Answers (100% Correct
Answers)
Where is RNP 10 used? Answer: Oceanic and remote areas
What is the difference between RNP and RNAV? Answer: RNP is a navigation
specification requiring on-board performance monitoring and alerting
What is an RNP system? Answer: An area navigation system cable of
achieving performance requirement of an RNP specification
What is currently the only means of achieving on board performance
monitoring? Answer: GNSS
What is a mixed navigation environment? Answer: Where RNAV and RNP
specifications coexist in the same airspace
RNAV is classified by the level of accuracy which must be achieved for what %
of flight time? Answer: 95%
What does RNAV 5 mean? Answer: Aircraft lateral position accurate to within
5nm of intended position for 95% of flight time
What does RNAV 1 mean? Answer: Aircraft lateral position accurate to within
1nm of intended position for 95% of flight time
The purpose of on-board monitoring is to ensure what 2 things? Answer: 1)
Integrity
2) Continuity
What does RNP 10 mean? Answer: Navigation system must be able to verify
its position to within a circle of a radius of 10nm
, 2
What does RNP 1 mean? Answer: Navigation system must be able to verify its
position to within a circle of a radius of 1nm
What guidance is provided during RNAV and RNP procedures? Answer:
Linear and angular guidance
What is the purpose of linear guidance? Answer: Reduces cross-track or along-
track error
What is the purpose of angular guidance? Answer: Reduces angle of error
between required and actual paths
The distance between an aircrafts current and required positions is known as
what? Answer: Cross-track or along-track error
In oceanic/remote, en-route and terminal phases of flight, PBN is limited to
operations with what? Answer: Linear lateral performance requirements and
time constraints
Linear guidance can be used to fly what type of flight path? Answer: Offset
flight path
What is an offset flight path? Answer: Where an aircraft maintains a fixed
distance left/right of defined track
When flying an offset flight path towards a position fix, what is the relationship
between angular deviation and distance from fix? Answer: Angular deviation
increases with decreasing distance from fix
Where is the final approach path encoded? Answer: Final approach segment
data block (FAS DB)
What does FAS DB mean? Answer: Final Approach Segment Data Block
The FAS DB is either predefined or transmitted by what? Answer: Predefined
in navigation database or transmitted by GLS ground station
