Instruments CBT's

Question 1

How many pitot tubes?

Answer 1

4 total.

2 left 2 right (divided into upper and lower)

Question 2

How many static ports?

Answer 2

4 total. static left, static right, and alternate left, alternate right.

Question 3

How many AOA vanes?

Answer 3

2

Question 4

How many TAT probes?

Answer 4

2

Question 5

How many ADC’s (Air data computers)

Answer 5

2

Question 6

How many IRU’s? (IRS)

Answer 6

3

Question 7

What is an EIU and how many are there?

Answer 7

EIU- EFIS/EICAS interface unit. They take information and convert it to display on the screens. There are 3 of them.

Question 8

When do the PLI’s display on the PFD?

Answer 8

Whenever the flaps are not up

Question 9

How long does the integrated standby flight display (ISFD) take to initialize?

Answer 9

90 seconds

Question 10

For aircraft equipped with steam gage standby instruments, what powers the attitude indicator?

Answer 10

The main battery

Question 11

On aircraft equipped with steam gage standby instruments, what powers the airspeed and altimeter?

Answer 11

Airspeed: Pitot tube 1 and alternate static source

Altimeter: Alternate static source