Performance Based Navigation

Question 1

RNAV - PBN

Answer 1

No integrity checking

No warning about loss of accuracy

Question 2

RNP

Answer 2

Req navigation performance
Integrity checking
Warning of downgraded accuracy

Question 3

RNAV 4/RNP 4

Answer 3

Same accuracy within 4 nm but warning only given for RNP

Question 4

RNP AR

Answer 4

Authorisation req
Operator receives approval by training program
Trained pilots
Approval req from aviation national authority

Question 5

3 parts to PBN

Answer 5

Navigation application - flying the procedure

Navigation specification - legislation in place

NAVAID infrastructure- something in place to provide the procedure e.g VOR

Question 6

PDE

Answer 6

Path definition error

Caused by coding errors in the database - can’t do anything about them

Question 7

NSE

Answer 7

Navigation system error

Accuracy of the nav sensors - can’t do much about it - only choose a more accurate system e.g GPS

Question 8

FTE

Answer 8

Flight technical error

Pilot/autopilot inaccuracy

Question 9

TSE

Answer 9

Total system error

PDE + NSE + FTE = TSE

Question 10

ARINC 424 TF

Answer 10

Track fix

Defined track between 2 points

Question 11

ARINC 424 DF

Answer 11

Direct to fix - anywhere to fix

Question 12

ARINC 424 CF

Answer 12

Course to fix - intercept a fix from a given direction e.g from any radial

Question 13

ARINC 424 RF

Answer 13

Radius to fix - constant radius from an imaginary location

Question 14

ARINC 424 CA

Answer 14

Course to alt - typical for a departure

Question 15

2 variants of hold entry - PBN

Answer 15

Direct or offset

Not req to overfly the fix on entry