221-240 Flashcards
Before attempting to balance fuel, what does the SOPM require the pilot to check first? What is the reason behind this procedure?
Check for fuel leak. So we don’t use all the fuel from a good tank while not using fuel from a tank that is leaking
What is the pressurization schedule for FL360? FL380?
Up to FL370 7.8psi
Above FL370 8.34psi (plane shows it as 8.4psi)
(AOM 14-02-20, SOPM 02-04.4)
If ATC asks you if you are able FL 410, are you able to accept?
Yes, if we are capable of that altitude at the time
Inflight, you recieve and ENG 1 FAIL caution message. Describe the required actions and callouts?
Announce malfunction.
PF- “CONTINUOUS”
Verify A/T goes to TOGA, then disengage A/T
Set drift down altitude, and press FLCH when you reach green down. Call for QRC PM- set CON, declare emergency, turn seatbelt sign on, read QRC
What generates an ELECTRICAL EMERGENCY EICAS message?
AC main buses are de-energized
What would cause the RAT to deploy automatically in flight?
Whenever AC power sources are not powering AC buses
How long will the RAT take to deploy and latch to the AC Essential Bus?
8 seconds
What is powering the electrical system during an electrical emergency?
AC Essential bus
The RAT deploys automatically and after eight seconds, supplies power to the AC Essential Bus
The batteries power the DC Essential Busses and the AC Standby Bus using an inverter during the eight second RAT deployment.
Once the RAT deploys, the DC Essential Busses are powered through the ESS TRU
What is available in the flight deck to pilots during an electrical emergency?
12 items:
screens 2 and 3
IESS
Compass light
dome light
clock
MCDU 2
CCD 1
Comm 1
Nav 1
ACP 1 and 2
During an electrical emergency, how can you determine if the batteries are being charged?
Batt discharging warning message is not displayed
Does the RAT charge the batteries? Emergency lights?
It charges the batteries. Not the emergency lights. The 4 emergency light batteries are charged through DC bus 1
What items are on the on the AC Essential Bus?
Hydraulic ACMP 3A
AC Fuel Pump 2
Slat channel 1
Flap channel 1
What is the maximum altitude the APU can be started?
FL300
What is the maximum altitude the APU is operational?
FL330
Will the APU automatically shut down for a fire in flight?
NO