OMB Flashcards
What document takes precedence over all others?
OFP - NOTAM, CREW BULLETIN, CREW ALERTS
What is the maximum bank angle in normal circumstances?
30 Degrees
Take off is not permitted on what runway conditions?
Wet Ice
Water on compacted snow
Dry or Wet Snow over Ice
The RWYCC is 0, can you land or take off?
No
What is the minimum cleared/treated width of a runway?
30m
What technical limitations will prohibit single engine ops for taxi?
Hydraulic
Elec - Gen 1/Apu Gen
Bleed - Eng 1 bleed, APU bleed
Air Con - Pack 1
L/G - NWS, Brakes
What are the operational limitations that will prohibit single engine ops for taxi?
LVPs
Power Push
Less than 3min warmup/cooldown
What are the f/o*** limitations?
20kts
550m RVR
ILS Cat 1
NPA Minima
Circling 5km vis
45m runway
no contamination
no windshear
no tailwind
no autoland (normal ops)
When do you need to perform a RAIM check?
For RNP AR approaches
When do you need to perform a battery check?
When the aircraft has not been electrically supplied for 6hrs or merry
What does the battery voltage of 25.5v or above ensure?
Ensures a charge above 50%
What is the minimum charge from the batteries for the APU Fire Test and APU Start?
50% which equates to 25.5v
If the battery voltage is 25.5v how long is the battery charging cycle?
Around 20mins
How do you perform the battery charge cycle?
Set the batteries to AUTO, check the elec page to ensure that battery contacts are closed and the batteries are charging. After 20mins check the batteries again by turning them off to see if they are above 25.5v
You will be starting the APU on batteries only. What is the maximum time you should wait before turning the APU on?
30mins, as the batteries would have run down. After 35 mins from the batteries being selected to AUTO the charge is only approx 25% of max capacity.
What is the maximum time to press the APU test PB?
3 seconds as any longer than this the APU Extinguisher may discharge.
How long should you wait after selecting the APU Master to on before starting the APU?
3 seconds
Why is the APU bleed left off for 1 minute after APU starts?
To help to allow thermal stabilisation of the APU to help prevent failures
What is the full range of the zone controllers for temperature control?
18-30 degrees
When must you perform a full IRS alignment??
First flight of the day
Crew Change
GPS not available and nav aid coverage is poor on route
GPS not available and the flight time exceeds 3hrs
When is a fast alignment necessary?
If a full alignment does not need to perform and the drift is at or above 5nm
What safety equipment is checked in the flight deck?
10 Items:
Life Jacket
Axe
Gloves
Extinguisher
ELT
Ropes
Smoke Hood
OXY Masks
TORCH
First aid kit
NEO engines do not have fan keys, what do they have?
ECAM Alert - FAN COWL NOT CLOSED
Each aircraft now has its own iPad. What needs to be checked?
Flight mode
Battery above 80%
It is there…
Regarding the EFF, what needs to be checked between crew?
OFP
LIDO
Flysmart+
Why do we press the RCL for 3 seconds or more?
To recall any emer cancelled warnings or cleared ones from the previous flight
You see the OXY Box is in amber. What do you do?
Check FCOM LIMITATIONS for required oxygen
What are you checking on the HYD page?
That the hydraulic fluid is in the normal operating range and if not calling MOC to see if a service is required.
What is the oil required for a ceo?
9.5qts + 0.5qts per flight hour
What is the minimum oil required for a NEO engine?
10.6qts or 8.9+0.5qts per flight hour, which ever is greater
When do you record taxi in time into the tech log?
When OAT is less than +3degrees
What is required from the crew for A/C Acceptance to be completed?
ECAM recall
HYD
DOOR OXY
ENG OIL
TECH LOG
MEL/CDL
EQRH REGISTRATION
EQRH CONFIG SUMMARY
SECTOR STRIP completed
Does AFT or FORWARD C of G provide best performance?
Aft
You calculate RTOW but discover that it is lower than your planned TOW. What can you do?
Try optimum config, choose another runway, or fuel replanning according to OMA and OPS
When must you perform a RLDW calculation?
When the runway is contaminated or if the flight crew cannot ensure that RLDW is not limited by maximum structural landing weight
What are the requirements for A/C Acceptance?
*ECAM RCL pb PRESS 3 s
*ECAM OXY PRESS CHECK
*ECAM HYD QTY CHECK
*ECAM ENG OIL QTY CHECK
TECHNICAL LOG AND MEL/CDL ITEMS CHECK
AIRCRAFT SELECTION (eQRH) CROSSCHECK
OEB CHECK
AIRCRAFT CONFIGURATION SUMMARY CHECK
Does the park brake have to be on before the walk around?
Yes, in order to check the brake wear indicators
What passenger load requires the Pack Flow to be set to low?
A319/320 - Less than 130
A321 - Less than 160
When is “HI Flow” automatically selected?
If the APU is supplying bleed air, regardless of switch position
What are you looking for when performing the ELEC BAT Check?
10seconds after turning batteries back on the charge of the battery is 60amps and decreasing
If the date is incorrect on the internal clock, what do you do?
Set the date manually and then leave the clock switch on internal (INT) for the entire flight
What is the default Idle factor?
-3.5
When is navaid deselection not required?
When GPS Primary
How are the characteristic speeds displayed on the MCDU calculated?
Computed from the ZFW and ZFCG entered by MCDU.
What are the maximum differences between the altimeters?
±20 ft between both PFDs
±100 ft between ISIS and PFDs
Check that the difference between each altitude indication (in the QNH reference) displayed on PFDs and the airport elevation is less than 75 ft.
What are the fuel discrepancy limits after refuelling?
<6 = 400
>6<12 = 500
>12 = 600
What is the maximum difference in flex between PF and PM?
1 Degree
What is the maximum difference in Speeds between PF and PM?
1kt
What do you say to PAX if there is Low Vis?
“Due to low visibility conditions, it is a requirement that all Portable Electronic Devices are switched off until after takeoff”.
If the ground crew confirms the pin is installed and the NWS disconnect does not display on the memo what should you do?
Push back but do not start engines in order to avoid gear damage when the yellow system pressurises. Check the MEL for dispatch items.
What should you do in the event of a Shear Pin Failure during pushback?
1) If the pushback stops immediately after failure of the shear pin, inspection is not necessary.
2) The nose gear must be inspected if after the failure of a towbar shear pin (during the forward or rearward towing) with subsequent separation and overrun of the towbar by the aircraft, or Push-turn operations, when the towbar arm touches the tractor after a failure of the turning towbar shear pin only.
How many KGs of fuel is saved per OETD?
30kgs approx
The ground crew report a fuel leak during the engine start, what do you do?
Run engine at idle for 5 mins
If leak disappears after 5 mins then aircraft can be dispatched without maintenance action, if not, call MOC and shutdown the engine.
The engine does not start at the first attempt, what do you do?
Leave it, FADEC automatically manages additional attempts
During the engine start sequence you get an ECAM - ENG 1(2) START FAULT. What do you do?
Do the ECAM and then refer to the FCOM for additional guidance.
What are the conditions that have to be met before the engine master switch can be turned on?
All AMBER crosses and messages have disappeared on the EWD and Engine SD page
Approximately how long will DRY CRANKING on a NEO last?
May last up to 1 minute
What is the N2% limit when dry cranking?
30%
You lose electrical power during the start sequence - what do you do?
Abort start and perform a dry crank for 30 seconds.
What is the CEO start sequence?
16% Igniter A/B activates
22% Fuel Flow increases
50% Start valve closes
Igniter Off
What is the NEO start sequence?
> 20% Igniter starts (when dry cranking finished)
20% FF Increases
55% Igniter off
63% Start valve closes
How many seconds after the second engine started will the pack valve reopen?
30 seconds
What temperature must the oil be above for the NEO engine prior to T/O?
19degrees
What temperature should you perform ice shedding?
+3degrees or less
What is the CEO ice shedding procedure?
Park brake on/or brakes on
70% N1 for 30 seconds at intervals not greater than 30mins
What is the NEO ice shedding procedure?
Park/Foot brake on
50% for 5 seconds at intervals not greater than 60mins
If take off not performed within 120mins then an engine inspection is required
What happens if you select WING ANTI ICE on ground?
Performs a 30seconds self test and then closes as long as the aircraft is on the ground.
You are in icing conditions of slush/snow or freezing rain - what should you think about when taxiing?
Keep flaps retracted until at holding point to prevent contamination of the mechanism.
What is the rudder trim tolerance on ground?
±0.3°
You perform single engine taxi. When starting the second engine, when the Yellow pump is turned off, you lose NWS, what do you do?
Stop, set parking brake and wait for the second engine to start.
When should you set IGN for T/O?
Heavy rain
Heavy Turbulence
Standing water on RWY
How long does it take for the WX radar to fill the screen?
Approx 30 seconds
How many degrees of flex are required to be reduced if you need anti ice?
5 degrees
How much should you reduce flex for a QNH reduction?
1 degree per 2HPA
What are the TREF values for the aircraft?
A319 = ISA+30
A320 (CEO/NEO) = ISA+29
A321 = ISA+15
IF TREF or OAT temp is reached, what should you do?
Run a new EFB perf
What is the max brake temperature for take off?
300degrees
You use brake fans before take off, what is the maximum brake temp before take off?
150degrees
What is the take-off technique for tail wind or x-wind >20kts?
50%
70% until 15kts then flex or toga by 40kts
At what speed is directional control removed from NWS and pedals?
130kts
When is a rolling takeoff not permitted?
RWY/OBS limitation or if TOGA
What speed does the target become at acceleration altitude?
It will change from V2+10 to First CLB speed (managed or preselected)
MAX REC FL in the MCDU PROG Page gives what buffet margin?
0.3g, this can be overridden to a value of 0.2 by the crew.
When must you monitor navigation accuracy?
GPS PRIMARY LOST appears on the ND.
IRS only navigation.
The PROG page displays LOW accuracy.
“NAV ACCUR DOWNGRAD” appears on the MCDU.
How often should you check RVSM tolerances?
once every hour
What is the maximum value that VAPP can be increased to for gusty conditions?
VLS+15
What speed does EXPD DESCENT give?
340kts or 0.80M
How long do the speed brakes take to retract if used above 315kts/M.75?
Around 25 seconds and will display in amber until they are retracted.
What is the correct vertical path criteria?
ILS - Within 1 dot g/s
within 3/4dot on V/DEV bar for NPA
PAPI not showing 4 whites or 4 reds
When many the PAPI show incorrect indications?
Difference between FAP and PAPI angle
OAT is significantly higher above ISA which may give 4 whites - follow vertical guidance on FMS
What is the correct lateral path?
LOC - within 1 dot
XTRK lower than 0.3nm for NPA using FINAL APP
L/DEV within 1RNP for RNP approaches
Within 30 degrees of final approach track for visual or circling
What is the stable approach criteria by 1000ft?
Landing config
<+30KTS Vapp