Systems NAVIGATION

Question 1

What occurs when the IRS enters Stationary Alignment mode

Answer 1

Aircraft speed < 30 kt
-aligns with local vertical
-estimates current latitude
-finds true north
-counts down the remaining time to NAV mode
approx 5-10 minutes
FCOM 1 16-02-6

Question 2

What is Align In Motion AIM mode

Answer 2

When Aircraft speed is > 30 kts
IRU’s recover full navigation capability if there is an in-flight power interruption
Dynamic conditions 15-25 mins
FCOM 1 16-02-8-10

Question 3

Where is GNSS information displayed

Answer 3

FMS POS GNSS tab
FCOM 1 16-03-5

Question 4

TCAS modes can be selected by

Answer 4

CTP or CNS
FCOM 1 16-04-2

Question 5

What colour does the TAWS display show terrain as 500 ft below to 2000 ft above

Answer 5

Yellow
FCOM 1 16-05-8

Question 6

List the functions available in weather radar AUTO mode

Answer 6

-Multiscan
-Ground Clutter Suppression
-Overflight Protection
-Path Attenuation Correction
-Temp based/Geographic based gain
FCOM 1 16-06-6

Question 7

When below a predetermined level how much Ground Clutter is removed

Answer 7

98%
FCOM 1 16-06-7