Technical

Question 1

When start the auto brake application on landing?

Answer 1

• Both thrust levers are retarded to idle AND
• Main wheels spin-up.

Question 2

Which hydraulic pressure uses the parking brake?

Answer 2

• Uses either A or B pressure
• when engines are shutdown, the pressure is maintained by the brake accumulator.

Question 3

What does the “DES NOW” prompt do in the FMC?

Answer 3

When we push, the aircraft will use a descent speed as if it reached the Top of Descent point. If we do not use this prompt, and we start descending more than 50NM from the T/D, then the descent speed will be the ECON cruise speed of the Flight Level we are descending to.