Ch. 12: RNAV Basic Principles

Question 1

Area Navigation definition?

Answer 1

Means of navigation along any path, using station referenced navigation signals or a self-contained navigation system.

Question 2

5 methods on which RNAV horizontal navigation may be based on?

Answer 2

GNSS; IRS; DME/DME; VOR/DME; VOR/VOR

Question 3

Which is the only self-contained navigational system?

Answer 3

IRS

Question 4

On what altimetry may vertical navigation be based on? What may this be processed through?

Answer 4

Barometric; air data computer.

Question 5

What do modern, advanced FMSs contain, and what does this contain? (Think navigation)

Answer 5

Navigation Database (ND) - contains navigation-relevant data.

Updated every 28 days, in line with AIRAC cycle.

Question 6

What does advanced RNAV/RNP equipment permit aircraft to do?

Answer 6

Fly off-airways on ATS routes, navigating BETWEEN waypointd

Question 7

Three principle benefits of RNAV?

Answer 7

Shorter routes

Pre-programmed arrival and departure paths to expedite traffic flow

Instrument approaches at airports, which have no landing aids