Navigation & APU

Question 1

IRS ground alignment has been demonstrated to be satisfactory up to …

Answer 1

73° North and 73° South

Question 2

If all ADIRU have the same magnetic variation table, then, in NAV mode, IRS will not provide valid magnetic heading and magnetic track angle …

Answer 2

North of 73° North, and south of 60° South

Question 3

If one ADIRU has a different magnetic variation table, then, in NAV mode, IRS will not provide valid magnetic heading and magnetic track angle …

Answer 3

• North of 60° North, between 30° West and 160° West
• North of 73° North
• South of 55° South

Question 4

APU may be started, even with LOW OIL LEVEL ECAM. Maintenance is required within …

Answer 4

10 hours

Question 5

Maximum N (ECAM DISPLAY) for APU is

Answer 5

107%

Question 6

Maximum APU EGT when running is

Answer 6

675° C

Question 7

Max APU EGT when starting below 35.000’

Answer 7

1090° C

Question 8

Max APU EGT when starting above 35.000’

Answer 8

1120° C

Question 9

Max FL for APU restart and operation

Answer 9

41.000’

Question 10

Max FL for APU BATTERY start (ELEC EMERG. CONFIG)

Answer 10

25.000’

Question 11

Max FL for bleed air & electrical power

Answer 11

22.500’

Question 12

Max FL for ground starting and operating

Answer 12

14.500’