DUAL ENGINE FAILURE

Question 1

What is the purpose of the ENG ALL ENGINES FAILURE ECAM procedure?

Answer 1

• Secure automatic extension of the RAT
• Secure the automatic connection of the emergency generator.
• Guide the flight crew to apply the ALL ENGINES FAILURE QRH procedure.

Question 2

If one or more engines relight:

Answer 2

• Apply the corresponding ECAM procedure instead

Question 3

If none of the engines relights:

Answer 3

• Continue to apply the ALL ENGINES FAILURE paper procedure. If there is sufficient time, clear both the ECAM alerts and the ECAM STATUS page.

Question 4

If there is sufficient time to attempt an engine relight:

Answer 4

• Apply the ALL ENG FAIL QRH procedure.

Question 5

If there is not sufficient time to attempt an engine relight:

Answer 5

• apply the EMER LANDING QRH procedure.

Question 6

What is the total flight time on batteries?

Answer 6

• 30 minutes

Question 7

By how much time does an APU start attempt reduce battery life?

Answer 7

• about 3 and a half minutes

Question 8

What may the PF do in order to balance out a roll moment from hydraulic pressure lost?

Answer 8

• PF may use the rudder trim to generate sideslip and therefore compensate for this upfloating aileron.

Question 9

Key things about DUAL ENG FAIL?

Answer 9

• AP, FD, and A/THR are lost
• Aircraft operates in alternate law
• F/O PFD and F/O ND are lost.

Question 10

While descending and flying closer to the windmilling speed, what should you consider?

Answer 10

• In alternate law, the overspeed protection is lost and the aircraft speed and Mach upper limits are reduced.

Question 11

Is there a limitation for windmilling start attempts?

Answer 11

• Regardless of the relight procedure (Windmill, or using the APU bleed), engine master levers must be set to OFF for 30 s in order to ventilate the combustion chamber of the engine between two relight attempts.

Question 12

What should you do if the first windmilling relight attempt is unsuccessful?

Answer 12

• Repeat windmill relight attempts on all engines until successful.

Question 13

Is there a limitation for bleed assisted start attempts?

Answer 13

• If the APU bleed is used, the flight crew can attempt a relight on only one engine at a time.