Flight Instruments: Attitude and Heading Indicator

Question 1

What instruments are driven by the vacuum pump?

Answer 1

Attitude indicator and heading indicator

Question 2

What are some of the standby vacuum systems?

Answer 2

Dual-engine driven vacuum pumps that operate continuously, electric backup vacuum pump

Question 3

Describe aircraft acceleration / deceleration on the attitude indicator

Answer 3

Aircraft acceleration causes the horizon bar to move down indicating a false nose up attitude, deceleration causes the horizon bar to move up indicating a false nose down attitude

Question 4

What precession error is shown coming out of a skidding turn?

Answer 4

Attitude indicator will show a 3-5 degree opposite of the direction of the turn

Question 5

What precession error is shown related to bank?

Answer 5

The steeper the bank, the more precession error is shown

Question 6

Where is maximum precession error shown on a bank?

Answer 6

The first 180 degrees of a turn, made up for in the second 180 degrees of a 360 degree turn