Brakes Limitations

Question 1

Maximum Brake temperature for Take-Off

Answer 1

300°C

Question 2

Maximum nose wheel steering angle

Answer 2

+-85°

Question 3

Maximum taxi speed with one tire deflated per gear

Answer 3

7kts during turns

Question 4

Maximum taxi speed with 2 tires deflated per gear

Answer 4

3kts

Question 5

Maximum NWS angle with deflated tires

Answer 5

+-30°

Question 6

Rate of Brake temperature reduction

Answer 6

5°C per minute

Question 7

How many brake applications can be performed when using the alternate braking?

Answer 7

7 brake applications below 1000 PSI to avoid wheel locking

Question 8

For how long is maintained park brake pressure through the accumulator?

Answer 8

For at least 12h

Question 9

When should flight crew use the brake fans?

Answer 9

When the temperature of the brakes is likely to exceed 500°C or either 5 min after landing or when approaching the gate whichever occurs first

Question 10

When maintenance action is due on the brakes?

Answer 10

When temperature exceeds 900°C