Navigation

Question 1

What does the IRS do?

Answer 1

It interfaces with the IRU, the MAU, GPS, and the ADC to provide airplane position, ground speed, heading, and altitude

Question 2

How many IRS does the ERJ 175 have?

Answer 2

2

Question 3

How long does it take for the IRS to align?

Answer 3

Up to 17 minutes

Question 4

How many satellites are required for the GPS to work?

Answer 4

5

Question 5

What is FSBY?

Answer 5

Forced standby mode for the radar, prevents inadvertent radar use on the ground

Question 6

How do you override FSBY?

Answer 6

Both pilots must select FSBY OVRD. Or one pilot must select stab off 4 times in less than 3 seconds

Question 7

What is the radar target function?

Answer 7

It scans 7.5° in front of airplane and warns the crew of hazardous wx beyond the selected range, up to 200 miles

Question 8

What does SECT function do?

Answer 8

Reduces radar sweep to 30° and 24 sweeps per minute (vs. normal at 60° and 12 sweeps per minute)