OMB Flashcards
When is full/fast IRS alignment needed?
Full
Cold a/c, crew change, no GPS available, flying over areas with poor radio coverage
Fast
IRS Drift exceeds amounts in table in OMB or GS is more than 5kts during turnaround
When should you select and deselect probe/window heat on?
When frosty windows or icy probes
Off after 1st engine start
What position should pack flow be selected to?
A319/A320: Pax less than 130 LOW
A321: Pax less than 160 LOW
Hot and humid HIGH
All other times MED
How is cockpit door test completed?
Set cockpit door switch to UNLOCK position, check door opens and OPEN light comes on
With door open, release switch and check it goes to NORM position. Close door and check it is locked
Check the door opens with handle
What is the pre flight altimeter check?
Between PFDs and ISIS = 100ft
Between PFD and airfield = 25ft
Between PFDs = 20ft
When is a new load sheet required?
Change in pax number of +10/-20
Which OEBs are currently in circulation?
99
What should you do if batts are showing 25.5V or less during cockpit set up?
Switch on external power and turn off batteries for 20 mins
Can APU fire test be done with APU running?
Yes
What is the minimum oil qty for flight?
9.5qts + 0.5qt per hour of flight
What should you do if ACCU pressure is below green range?
Use yellow electric pump to recharge it
When does NWS DISC appear on EWD and when is it amber?
When ground crew inserts the hydraulic bypass pin
Amber after 1st engine start
If NWS DISC is not displayed but pin has been inserted can push be completed?
Yes, delay engine start until after pin removed
Min runway width for a 180* turn?
30m
What happens if you select wing anti ice on on the ground?
Valve opens for 30s then shuts until airborne