Civ Nav

Question 1

What function does the Civil Radio Navigation Unit (CRNU) provide?

Answer 1

Guidance to an aircraft approaching and landing on a runway by utilising a series of ground based beacons

Question 2

Which inputs other than the Global Positioning System (GPS) does the Civil Radio Navigation Unit (CRNU) receive signals from?

Answer 2

VHF Omnidirectional Range (VOR) and Instrument Landing System (ILS)

Question 3

What is the minimum number of satellites required for the Civil Radio Navigation Unit (CRNU) to perform Fault Detection and Exclusion (FDE)?

Answer 3

6

Question 4

Which Civil Radio Navigation Unit (CRNU) functions are fed for display on the Primary Flight Display (PFD)?

Answer 4

Radio Navigation (RNAV) VHF Omnidirectional Range (VOR) and Glide Slope (G/S)

Question 5

What information does the Jeppesen Navigation Data (NavData®) card provide to the Civil Radio Navigation Unit (CRNU)?

Answer 5

Aeronautical information

Question 6

How often is the Jeppesen Navigation Data (NavData®) updated?

Answer 6

On a 28-day cycle

Question 7

Where are the two Civil Radio Navigation Unit (CRNU) loop antennas located on the aircraft?

Answer 7

Both located on the tail cone of the aircraft

Question 8

What power supply is employed by the Civil Radio Navigation Unit (CRNU)?

Answer 8

28 Vdc, general busbar

Question 9

How are any new information or status messages (MSG) highlighted on the Civil Radio Navigation Unit (CRNU)?

Answer 9

Via a flashing MSG annunciator, located at the bottom of the CRNU screen

Question 10

What indication appears in the upper right corner of the VHF Omnidirectional Range (VOR) Localiser (LOC) (VLOC) window to show that VLOC Morse identification is enabled?

Answer 10

ID

Question 11

Where can Civil Radio Navigation (Civ Nav) Global Positioning System (GPS) information be viewed other than on the Civil Radio Navigation Unit (CRNU) display?

Answer 11

On the Cockpit Display System (CDS) variable window (1) or variable window (2) area of the Navigation Display (ND)

Question 12

When does the rising runway symbol appear on the Attitude Indicator (AI) as the aircraft makes an Instrument Landing System (ILS) approach using Civil Radio Navigation (Civ Nav)?

Answer 12

As the aircraft descends to land and reaches an Above Ground Level (AGL) radar altitude of 200 ft

Question 13

What does the Civil Radio Navigation (Civ Nav) INTEG annunciator indicate?

Answer 13

Satellite coverage is not sufficient to pass built-in Receiver Autonomous Integrity Monitoring (RAIM) tests

Question 14

Whats the maximum number of waypoints that can be allocated to a flight plan?

Answer 14

200