Nav

Question 1

How long to align the ADIRS

Answer 1

At least 7 min

Question 2

3 methods of tuning NAV AIDS?

Answer 2

Automatic
Manual
Back up

Question 3

The “ON BAT” light illuminate on the ADIRSs

Answer 3

At the beginning of a complete alignment

What at least one ADIRS is battery powered

Question 4

ADIRS 1 usually supplies which PFD/ND?

Answer 4

CPT

Question 5

ADIRS 3 can supply which PFD/ND?

Answer 5

CPT or FO

Question 6

How do you normally tune NAV AIDS?

Answer 6

Via the MCDU in automatic

You can manually tune by overwriting the freq/ident in the MCDU

A change in one MCDU will change both FMCGs

Question 7

What provides data to the ISIS?

Answer 7

SBY pitot
SBY static ports

(Direct barometric feed)

Question 8

CPT TAT 1 supplies with ADIRS?

Answer 8

ADIRS 1&3

Question 9

FO TAT 2 supplies which ADIRS?

Answer 9

ADIRS 2

Question 10

How many RAD ALTs required for a CAT 3 single/dual approach?

Answer 10

2

Question 11

If you lost 1 RAD ALT what approach can you fly?

Answer 11

CAT 2

Question 12

Flashing IR light indicates

Answer 12

Attitude and heading may be supplied in ATT mode

Question 13

Permanent IR fault light indicates

Answer 13

The IR is lost

When turned off the fault light will disappear

Question 14

Max allowable difference between ADIRS 1 & 2?

Answer 14

6 kts

Question 15

What are the consequences of pressing the guarded NAV button on the RMP?

Answer 15

FMCG auto function is removed

Crews cannot manually tune via the MCDU

Only able to tune the inside NAV AIDS