All Cards Flashcards
What kind of control of the flight controls in ground mode?
Direct control of elevator, ailerons and spoilers.
What does the SIDESTICK command in flight mode in the pitch axis?
A change in G.
What does the SIDESTICK command in the roll axis in flight mode?
A roll rate.
What happens at 50ft during the landing in flare mode?
The aircraft memorizes the attitude at 50 feet and then at 30 feet the system reduces the pitch attitude to -2 degrees over 8 seconds.
What are the protections in normal law?
- Load limit limitation
- Pitch attitude protection
- Bank angle protection
- High speed protection
- High angle of attack protection
- Alpha floor protection
What does the load limitation do?
It limits the load factor automatically.
What are the pitch attitude protection limitations?
+30 NU in conf0-3
(Reduced to +25 low speed)
+25 NU in conf full
(Reduced to +20 low speed)
-15 Nose down
How are the limits of the pitch attitude protection displayed on the PFD?
By green = symbols
What happens to the FD bars when the pitch attitude limit is approaching?
Will disappear and will return after flight path correction.
What happens is a pilot releases the SIDESTICK at bank angles above 33 degrees?
The bank angle automatically reduced to 33 degrees
What is the bank angle limit when angle of attack protection is active?
45 degrees
What is the maximum bank angle when the pilot holds full lateral SIDESTICK deflection?
67 degrees
How is the bank angle limit displayed in the PFD?
By a green = symbol
If high speed protection is active and the pilot maintains full lateral deflection, what is the maximum bank angle?
40 degrees.
What happens to the bank angle when high speed protection is operative and the SIDESTICK is released?
Returns to 0 degrees
What happens when the bank angle exceeds 45 degrees?
- autopilot disconnects
- Flight director bars disappear
When do the flight director bars return after they disappeared during bank angle protection.
When bank angle is reduced below 40 degrees.
What happens as speed increases above Vmo/ Mmo?
SIDESTICK nose down authority is reduced and a permanent nose up order is applied.
As high speed protection becomes active, when will the autopilot disconnect?
Vmo + 6 kts
Mmo + 0.01
How is the speed where the high speed protection starts displayed on the speed tape?
A green = symbol at Vmo+6
What does the sidestick demand between Valpha PROT and Valpha Max?
Angle of attack.
What happens if the pilot pulls the sidestick all the way back to Alpha Max and then releases it?
The speed returns to alpha PROT.
Which protection in normal law has priority over all other protections?
High angle of attack protection.
When will the autopilot disengage with high angle of attack protection?
At alpha PROT +1 degrees.
How can a pilot deactivate the angle of attack protection?
Move the SIDESTICK 8 degrees forward or move the SIDESTICK 0.5 degrees forward for at least 0.5 seconds, when alpha is less than alpha max.
What are the three modes in normal law?
Ground mode
Flight mode
Flare mode
What does the flight management part of the FMGS control?
Navigation Flight planning Performance optimization Predictions Display management
What does the flight guidance part of the FMGS control?
Flight director
Auto pilot commands
Auto thrust commands
What does the flight augmentation part of the FMGS control?
Flight envelope computation Maneuvering speed computation Windshear detection Alpha floor protection Various yaw functions
How is the master FMGC determined?
By autopilot and/ or flight director engagement
If both autopilots are on, which FMGC is the master?
FMGC1
Which FMGC drives the auto thrust?
The master FMGC
Which FMGC drives the flight directors?
The on side FMGC
What happens if the master FMGC fails?
Auto pilot and auto thrust disengage. They can be re-engaged by using the autopilot from the healthy FMGC.
How is the FCU display driven?
By two redundant FCU controllers.
Which FMGC calculates the aircraft position?
Each FMGC calculates independently the position.
Which data is used by the FMGC to calculate the aircrafts position?
ADIRS
Radio navigation aids
GPS receivers
What is mix IRS
The average position of the three IRSs
When is SRS available on takeoff?
As long as slats are extended and V2 is available to the FMS.
What does SRS command during normal take off?
V2+10kts
What does SRS command in N-1?
V2
What will trigger a red AUTOLAND light below 200ft?
- both autopilots trip off
- loss or excessive deviation in LOC (inhibited below 15ft)
- loss or excessive deviation in G/S (inhibited below 100ft)
- disagreement in RA indications
What will trigger the SPEED SPEED SPEED aural warning?
Between 100ft and 2000ft and in config 2,3 or full, a drop in speed that is significantly below Vls, taking into account deceleration rate and flight path angle.
When is Alpha floor protection available?
Lift off until 100ft RA.
When is reactive wind shear protection available?
Lift off until 1300ft
1300 to 50ft
If a cabin crew want to report a red flag event, what should the commander do?
Contact the duty pilot to seek verification if it is a red flag event.
CSPM 1.18.5
In case the cabin manager is absent during the briefing, who may deduct the cabin crew briefing?
Another qualified cabin manager.
CSPM 2.2.1.1
Is it possible to start boarding without the pilots being present?
No, at least 1 pilot needs to be on the FD.
CSPM 2.2.1.2
What is the purpose of a security search?
To ensure there are no unauthorized persons or prohibited articles on board.
CSPM 2.3.2
When must a security search be done?
- cold aircraft
- turnarounds in UK, Jersey, Russia and Gibraltar OR after flights inbound from non EU countries OR prior to departure to Tel Aviv
- any time crew feel security may have been compromised
CSPM 2.3.2.2
Which areas must be searched if a passenger is offloaded after gaining access to the aircraft?
Three rows forward and three rows back from the seat and any areas the pax had access to.
OMB 2.3.2.6
Which passengers are not allowed to be seated in restricted seats?
CHIPPED
C - children under 16 H - hearing, sight, other disability I - infants on laps P - pregnant and prisoners P - physical size E - elderly if frail D - deportees
CSPM 2.4.5
What must a unaccompanied PRM be able to do?
- unfasten seat belt
- leave a seat and reach emergency exit unaided
- retrieve and fit a life jacket
- don an oxygen mask without assistance
- understand the safety briefing
CSPM 2.4.7.1
What must be done to a plaster cast if it has been fitted less than 48hrs before the flight?
Split to allow for potential swelling.
CSPM 2.4.7.3
From what age may children travel unaccompanied?
14 years
CSPM 2.4.7.4
What is the minimum age for an for an adult to accompany a child?
16 years?
CSPM 2.4.7.4
Is it allowed to ask another passenger to accept responsibility for an unaccompanied minor or to have an infant be seated on their lap during take off and landing?
No
CSPM 2.4.7.4
Will large groups of children be accepted?
Yes, as long as accompanied by the minimum ratio of adults (1 per 10 children)
CSPM 2.4.7.4
From what age are passengers considered adult?
16 years
CSPM 2.4.7.4
Is it allowed to carry any live animals in the cabin?
No except assistance dogs.
CSPM 2.4.10
Is it allowed to use e-cigarettes on board?
No
CSPM 2.4.13
When must the cabin defect log been entered/ signed by the CM and given to the commander for review and singing?
At the end of a sector.
CSPM 2.6.2
What is the call when severe turbulence is encountered and insufficient time for normal procedures?
CABIN CREW AND PASSENGERS BE SEATED IMMEDIATELY
CSPM 2.6.9.5
What will crew do after hearing the PA attention crew at stations in flight?
- interrupt their duty
- stow away any catering equipment
- return to their station and fasten their harness
- await further actions from cm/ pilots
- remain vigilant in cabin
CSPM 3.2.2
What is the CLEAR briefing?
Given by CC to pilots:
C - crew name L - location E - event A - actions taken R - recommendation
CSPM 3.3.1
What is the definition of catastrophic?
The aircraft has suffered serious structural damage and possible death or injury to any of the occupants.
CSPM 3.12.3
What are the restricted seats in the cabin?
Row 1 ABCD
over wing exits
Last row CD
CSPM 5.3.1.1
What is the emergency code for the FD?
0511#
CSPM 5.3.3
How many infants may be carried?
Up to 10% of the total capacity.
CSPM 2.4.12.2
What is the definition of a precautionary landing?
One where under normal circumstances there will be no requirement for the cabin crew to evacuate after landing.
CSPM 3.2
What is the definition of an unplanned emergency landing?
A situation where time is not available to plan for an emergency e.g. on take off or landing.
CSPM 3.2
What is the definition of a pre planned emergency landing?
A situation where time is available to plan for an emergency (NITS brief).
Cabin crew will have all information needed to prepare passengers and secure cabin.
CSPM 3.2
What is the portable oxygen duration?
HI - up to 40 minutes
LO - up to 70 minutes
CSPM 5.14.7
How long does a BCF last?
Approximately 15 minutes
CSPM 5.14.2
Who’s ultimate responsibility is the safety of the cabin?
The commander
CSPM 1.2
How long is the APU start inhibit when going into emergency electric configuration?
45 seconds
What does the electrical system consist of?
Three phase 115/200V 400Hz AC system
And 28V DC system
How long does RAT extension and coupling take?
8 seconds
What is the minimum offline battery voltage?
25,5V
How long can the batteries provide emergency power
Approximately 30 minutes
What will happen if a single engine driven generator is lost and no APU generator available?
Shed part of the galley load and route power from other engine driven generator.
At what speed will the rat stall?
140kts or 125kts (newer models)
What are the functions of the GCUs? (Generators control units)
Control the output (freq and voltage) of their generator.
Protect the network by controlling the generator line contractor (GLC)
Within how many kts from V1 should a takeoff be continued if a tire fails without significant engine parameter fluctuations?
20 kts
Why is it better to continue a takeoff if a tire fails within 20kts from V1 than to abort?
It is better to get airborne, reduce the load and land with a full runway available.
How will the captain announce his decision to continue the take off after a malfunction?
By calling GO.
How will the captain announce his decision to reject the take off?
By calling STOP
What does calling STOP during the take off roll mean?
Confirms the decision to reject the takeoff and that the captain now has control.
What does announcing DECEL mean during the RTO and the landing?
Deceleration is felt by the crew AND confirmed by the Vc trend on the PFD.
When does the DECEL light come on on the auto take panel?
When the actual deceleration is 80% of the selected rate.
What is the initial pitch attitude for an EFATO?
12,5 degrees
What are the three strategies for dealing with an engine failure in the cruise?
- standard strategy
- obstacle strategy
- fixed speed strategy
Which strategy for an engine failure in cruise refers to ETOPS?
Fixed speed strategy
Which strategy is usually used in the event of an engine failure in cruise?
Standard strategy
Why is the A/THR disconnected when dealing with an engine failure in cruise?
To avoid any engine thrust reduction when selecting speed according to strategy or pulling OPEN DES.
What significant things will you miss during an RTO below 72kts?
Ground spoilers will not deploy and auto brake will not activate.
What is the procedure for an engine failure in cruise?
- set thrust levers to MCT
- disconnect the A/THR
- select speed according to strategy
- if appropriate select hdg
- select appropriate engine inop altitude in FCU window and pull OPEN DES
- request ECAM actions
With the ATHR disconnected, how is the target speed controlled in open descent?
By the elevator
What is the target speed with the standard strategy?
0.78/300 kts
What is the speed target in the obstacle strategy?
Green dot
What is the recommendation of thrust reverser use of one reverser is inoperative?
Select reverse thrust on both engines during RTO or landing
Which ECAM may be triggered when using both reverses with one inoperative?
ENG 1(2) REVERSER FAULT
What is the recommendation regarding reverse thrust if both reversers are inop?
Don’t select reverse thrust
What causes the emergency electrical configuration?
Loss of AC BUS 1 and 2
In the emergency electrical configuration, what happens below 125kts?
The RAT stalls
Emergency generation network transferred to the batteries
AC SHED ESS and DC SHED ESS BUS are shed
In the emergency electrical configuration, what happens below 100kts?
DC BAT BUS automatically connected
In the emergency electrical configuration, what happens below 50kts?
The AC ESS BUS is shed
What is the minimum approach speed for the emergency electrical configuration?
140 kts
What situations might cause abnormal operation of the flaps and/or slats?
- double SFCC failure
- double hydraulic failure
- flaps/ slats jammed (operation of wtb)
According to what is the OVERSPEED warning computed?
The ACTUAL slats/ flaps position
Down to what altitude may the autopilot be used with a slats/ flaps problem?
500ft AGL
What are some of the points which should be briefed following a problem with flaps/ slats?
- tail strike awareness
- go around configuration
- deviation from standard call outs
- speeds to be flown, following a missed approach
- selected speed used at the acceleration altitude
- increased fuel consumption
- different/ unusual attitudes
When diverting with a slats/ flaps problem, what is the max altitude?
20000 feet
When should fuel checks be carried out?
When sequencing a waypoint and every 30 minutes
What kind of approach is preferred with a dual hydraulic fault?
Stabilized approach
What are some of the briefing items for a dual hydraulic failure?
- use of selected speeds
- landing gear gravity extension (QRH)
- approach config and flap lever position
- approach speed Vapp
- TAILSTRIKE awareness
- braking and steering considerations
- go around call, aircraft config and speed
With which dual hydraulic failure will you remain in normal law?
B+Y
What indication is sufficient to indicate that the landing gear is down and locked?
At least one green triangle on each gear
What ECAM memo is sufficient to confirm that the landing gear is DOWNLOCKED?
LDG GEAR DN
Which procedure must be performed if at least one landing gear is not DOWNLOCKED?
QRH LANDING WITH ABNORMAL L/G
What should be done to the ground spoilers if one or more main landing gears are in abnormal position?
Not to be armed
Why should the ground spoilers not be armed if at least one main gear is in abnormal position?
To keep as much roll authority as possible.
What should be done to the autobrake when landing with abnormal gear?
Not armed.
How long will hydraulic power be approximately available after shutdown of the related engine?
30 seconds
When should the engine masters be switched off with an abnormal nose landing gear?
Before nose impact
When should the engine masters be switched off when landing with one abnormal main gear?
At touchdown
When should the engine masters be switched off when landing with both main landing gear abnormal?
In the flare, before touchdown.
What happens with a dual NAV ADR or NAV IRS fault?
Autopilot and auto thrust lost and flight controls revert to ALTN law
What kind of approach should be flown with an overweight landing?
Stabilized approach
What is the preferred landing config for an overweight landing?
Config full
Is a maintenance inspection required after an overweight landing with a vertical speed below 360ft/min?
No
What happens during ground mode as the aircraft gets airborne?
Ground mode is progressively blended out and flight mode becomes effective.
What does acclimatised mean?
The crew members biological clock is synchronized to the time zone the member is.
Oma 7.1.2.1
When is a duty a night duty?
A duty period encroaching any portion between 02:00 and 04:59 in the time zone where the crew member is acclimatized.
What does duty period mean?
A period starting when a crew member is required for any duty and ends when free of all duties.
Oma 7.1.2.9
What does Flight duty period (fdp) mean?
Starts when crew member is required to report for duty, which includes one or more sectors and ends when the aircraft comes to rest and engines shutdown at the last sector.
Oma 7.1.2.11
What does a ‘local day’ mean?
A 24hour period starting at 0:00 local.
Oma 7.1.2.14
What does a ‘local night’ mean?
A period of 8 hours falling between 22:00 and 08:00 local time
Oma 7.1.2.15
How often and by how much may the maximum FDP be extended?
By up to 1 hour, not more than twice in any 7 consecutive days.
Oma 7.1.5.4.4
What requirements shall be put in place if a max fdp is extended by up to 1 hour?
- min pre and post flight rest periods increased by 2 hours
Or
The post flight period increased by 4 hours
Oma 7.1.5.4.4
What is the max duty time in 7 consecutive days?
60 duty hours
Oma 7.1.6.1
What is the max duty time in 14 consecutive days?
110 duty hours
Oma 7.1.6.1
What is the max duty time in 28 consecutive days?
190 duty hours
Oma 7.1.6.1
What is the maximum total flight time in 28 days?
100 hours
Oma 7.1.6.2
What is the maximum total flight time in any calendar year?
900 hours
Oma 7.1.6.2
What is the maximum flight time in 12 consecutive calendar months?
1000 hours
Oma 7.1.6.2
What does commanders discretion mean?
The commander may, at his discretion, and after taking note of the circumstances of other crew members, extend a flying duty period (FDP) or reduce a rest period provided they are satisfied that the flight can be made safely.
FRMA appendix B
Is it possible for an aircraft commander to reduce an FDP or increase a rest period?
Yes
FRMS appendix B
What are some of the factors that must be taken in consideration when deciding on commanders discretion?
- WOCL encroachment
- weather conditions
- complexity of operation and/ or airport environment
- airplane malfunctions
- training flights
- increased number of sectors
- circadian disruption
- individual conditions of crew member
FRMS appendix B
What should the commander do with all crew members before decisief to extensie a FDP?
Consult their alertness levels.
FRMS appendix B
What is the maximum daily allowed FDP extension?
2 hours
FRMS appendix B
When may the maximum daily allowed FDP extension be exceeded?
When on the final sector, following unforeseen circumstances after take off, the flight may continue to the planned destination or alternate.
FRMS appendix B
The rest period following FDP may be reduced but can never be less than…?
10 hours.
FRMS appendix B
Can an FDP be reduced for individual crew members?
No
FRMS appendix B
What do the engine and APU fire detection systems consist of?
2 fire detection loops (A and B)
A fire detection unit
How are the two engine/ APU fire detection loops mounted?
In parallel.
How many fire/ overheat sensing elements are located in the engine and where?
Three;
- pylon nacelle
- engine core
- engine fan section
How many fire and overheat sensing elements in the APU?
One
What happens when there is a fire in the APU on the ground?
Automatic shutdown and discharge of agent.
How many extinguishing bottles does each engine have?
2
How many extinguishing bottles does the APU have?
One
When does a engine/ APU fire warning appear?
- fire signal in loop A+B
- fire signal in 1 loop, with the other faulty
- brakes on both loops within 5 seconds
- test performed on control panel
When is a engine/ APU fire loop fault caution generated?
- one loop faulty
- both loops faulty
- fire detection unit fails
What happens when pressing the engine fire push button?
- silences aural warning
- arms fire extinguisher squibs
- closes low pressure fuel valve
- closes hydraulic fire shut off valve
- closes engine bleed valve
- closes pack flow control valve
- cuts off FADEC power
- deactivates IDG
What happens when pressing the APU fire push button?
- shuts down APU
- silences warning
- arms squib
- closes low pressure fuel valve
- shuts off APU fuel pump
- closes APU bleed and x bleed
- deactivates APU generator
How many smoke detectors in the avionics ventilation system and where?
One, in the avionics extraction duct.
When does the smoke detector in the avionics duct send a signal?
After detecting smoke for 5 seconds.
How many smoke detectors in the lavatories?
One in each.
Via which system do the lavatory smoke detectors send a warning signal and to where?
Via the CIDS to cockpit and cabin
How many smoke detectors in the fwd cargo hold?
2
How many smoke detectors in the aft cargo hold?
4
Via which system is a cargo smoke warning transmitted to ECAM?
CIDS
When is a cargo smoke warning generated?
- both smoke detectors detect smoke
- one smoke detector detects smoke, the other inop.
How many extinguishing bottles for the cargo areas?
One
How many nozzles does the fire extinguisher for the cargo area have and for which compartments?
Three nozzles;
1 fwd cargo hold
2 aft cargo hold
What is the total capacity of the fuel tanks?
18728 KG
Aircraft technical Dec 12
What is the capacity of the center fuel tank?
6476 kg
Aircraft technical Dec 12
What is the capacity of each inner wing tank?
5435KG
Aircraft technical Dec 12
What is the capacity of each outer wing tank?
691kg
Aircraft technical Dec 12
In which order do the tanks feed the fuel system?
- Inner tanks until 500kg used in each
- Center tank until empty
- Inner tanks until 750kg remaining in each
- Outer tanks by transferring to inner tanks
Aircraft technical Dec 12
What are the functions of the fuel system?
- store fuel in the tanks
- allocate correct quantities to tanks during refueling
- supply fuel to the engines and the APU
- circulate fuel to cool the IDG
- keep fuel in outer wing for wing bending and flutter relief.
Aircraft technical Dec 12
How many main fuel pumps have newer MSN aircraft?
Four main fuel pumps
How many main fuel pumps have the older MSN aircraft?
Six
From which tank do newer MSN aircraft supply fuel from?
The inner tanks
From which tank do older MAN aircraft supply the fuel from?
The center of inner tanks
How can the low pressure fuel valves be closed?
- the engine master switch
- the engine fire push button
How do older msn aircraft ensure correct sequence of fuel delivery?
Via pressure relief valves.
What is the function of the fuel intertank transfer valves?
Fuel transfer from outer to inner tank.
What is the function of the fuel crossfeed valve?
Allows fuel to feed both engines from one side or one engine from both sides.
What is the function of the fuel suction valves?
Allows engines to be fed by gravity if inner tank pumps fail.
How are the fuel suction valves closed in normal operation?
By pumps pressure.
What is the fuel feed sequence on older msn aircraft?
- center tank
- inner tank (to 750kg)
- outer tanks (fuel transfers to inner tanks)
What is the fuel feed sequence on newer MSN aircraft?
- center tank (fuel transfers to inner)
- inner tanks (to 750kg)
- outer tanks (fuel transfers to inner tank)
How does fuel flow from the center tank to the inner tanks on newer MSN aircraft?
The transfer valve is open, fuel from inner tank flows through jet pump and creates suction. The suction moves fuel from the center tank to the inner tank.
What is used to cool the IDG?
Fuel
Where does the fuel which is used to cool the IDG go?
Returns in the outer tank.
What is the function of the fuel tank inerting system?
Reduce flammability
What system reduces the flammability of the fuel tank?
Fuel inerting system.
Where is the fuel inerting system installed?
Center tank only.
How does the fuel inerting system reduce flammability?
It produces oxygen depleted air to replace ambient air in the center tank.
What is the oxygen percentage of the oxygen depleted air produced by the fuel inerting system?
Less than 12%
When do the center tank pumps run?
- at engine start for 2 minutes
- if slats are retracted
- stops 5 minutes after center tank low level
What does it mean if the last two digits of the fuel indication have an amber line across?
FQI inaccurate
How many hydraulic systems?
3; G B Y
How are the hydraulic reservoirs pressurized?
By bleed air
Why are the hydraulic reservoirs pressurized?
To prevent cavitation
What is the normal bleed air source for reservoir pressurization?
Engine 1 bleed air
If bleed air pressure gets low for hydraulic reservoir pressure, what will happen?
Bleed air will be taken from the cross bleed duct
What are the hydraulic reservoirs monitored for?
Low level
Low pressure
Overheat
How is the green system usually pressurized?
By engine driven 1 pump
How is the yellow system usually pressurized?
By the engine driven pump 2.
How is the blue system usually pressurized?
By an electric pump
Which electrical system drives the blue electric pump?
AC1
Which pumps may pressurize the yellow system?
Engine driven 2 pump
Electric pump
Hand pump
PTU
Which electric systems drive the Y electric pump?
AC2 and external power
What pressure do the engine driven pumps and electric pumps supply?
3000 PSI
What pressure does the PTU supply?
2500 PSI
When does the PTU activate?
Automatically when differential pressure between the two systems is greater than 500 PSI.
What does the PTU during the second engine start sequence?
A self test
What is the purpose of the priority valve?
To cut off heavy users (flaps, slats, gears, emergency generator) if system pressure gets too low to operate flight controls
What hydraulic system is used for normal braking?
Green
What hydraulic system is used for alternate braking?
Yellow
When does the RAT deploy automatically?
Loss of AC BUS 1 and 2
Where/ when can the RAT be stowed?
On the ground
What is the function of the hydraulic leak measurement valves and how are they operated?
Measure the leakage in each circuit and are closed by operation of the push buttons on the maintenance panel.
Is it possible to use APU bleed air for wing anti ice?
No
By what means are the slats anti iced?
Hot bleed air from pneumatic system
What happens to the wing anti ice valve in case of a hot air leak?
Automatically closes
What happens of the wing anti ice button is pushed on?
30 seconds self test
What is the function of the anti ice system?
Protect critical areas by hot air and electrical heating
Which slats are anti iced?
Three outboard slats
Which parts are anti iced/ de iced by hot air?
The three outboard slats and engine intakes.
Which parts are anti iced/ de iced by electrical heating?
- flight deck Windows
- sensors, pitot probes, static ports
- water waste drain mast
What happens with the wing anti ice valves when electrical supply fails?
They automatically close
What happens to the thrust when wing anti ice is selected on?
N1 limit is reduced and N1 increased
What happens with the engine anti ice valve when air is unavailable?
Closes automatically
What happens to the engine anti ice valves when electrical supply fails?
Engine anti ice valves open.
What happens to the thrust when engine anti ice is selected on?
N1 limit reduced, N1 increased (if necessary)
When is window heating automatically on?
- at least one engine running
- aircraft in flight
Which aircraft parts are electrically heated?
- pitot heads
- static ports
- angle of attack probes
- total air temperature probes
When are the protected probes automatically heated?
- one engine running
- aircraft in flight
Based on data from which component do the DUs generate and display the images?
From the DMCs
Aircraft technical Dec 12
How many DMCs?
Three
Aircraft technical Dec 12
How many channels and what kind of channels per DMC?
Two, EFIS channel and ECAM channel.
Aircraft technical Dec 12
How many SDACs (system data acquisition Concentrators)?
2
Aircraft technical Dec 12
How many FWCs?
Two
Aircraft technical Dec 12
How do the FWCs generate red and amber messages?
Directly from sensors or systems to generate red
Through the SDACs to generate amber cautions.
Aircraft technical Dec 12
What are the EIS components?
- Display units (DUs)
- Display Management Compiters (DMCs)
- System Data Acquisition Concentrators (SDAC)
- Flight Warning Computers
- Attention getters
Aircraft technical Dec 12
When does the landing gear system automatically switch from LGCIU?
At the end of each retraction and automatically if a failure is detected.
What is the function of the safety valve in the landing gear system?
Shuts off hydraulic pressure to the actuators when the aircraft speed exceeds 260kts and restores pressure with the landing gear lever down and speed below 260kts.
By which means does the landing gear extend when using the gravity gear extension?
Combination of gravity, aerodynamic force and locking springs
By which LGCIU are the lights on the landing gear indicator controlled?
LGCIU 1
What do the LGCIUs use to supply air/ ground data?
The shock absorber position.
When does the master BSCU automatically change over?
At each down selection of the landing gear lever or when a fault is detected.
By what are the landing gear and doors controlled?
Two LGCIU’s
How does the anti skid system determine wheel slip ratio?
By comparing aircraft speed from the ADIRUs to the tire speed from tachometers
What is the deceleration rate and when does the autobrake start with LO selection?
4 seconds after spoilers deploy. Rate 1.7m/s2
What is the deceleration rate and when does the autobrake start with MED selection?
2 seconds after ground spoilers deploy. Rate is 3m/s2
What is the deceleration rate and when does the autobrake start with MAX selection?
As soon as ground spoilers deploy, max braking applied.
If flight is conducted with the L/G down, and a failure happens that causes the aircraft to revert to alternate law, what will happen?
The aircraft will revert to direct law immediately.
After how many seconds must the landing gear retraction or extension sequence complete before a warning comes up?
30
Which warning comes up if the gear retraction sequence has not been completed in 30 seconds?
Gear not UPLOCKED
Which warning comes up if the landing gear extension sequence is not completed in 30 seconds?
Gear not DOWNLOCKED
When do you get the brakes hot message?
If at least one brake is >300C
Why must the brake temperature be below 300 degrees prior to takeoff?
To prevent ignition of any hydraulic fluid that leaks on the brakes.
When does the BSCU do a self test?
When normal braking is active and at least one engine is running and the BSCU receives a gear DOWNLOCKED signal from the LGCIUs.
How are the landing gear and doors controlled and actuated?
Electrically controlled and hydraulically actuated
When is maintenance to the brakes required?
- one brake >600C and other brake on same gear 150
- Average temp of one gear is 200C more than the other
- Any brake temp >900C
- a fuse plug has melted
What is the function of the LGCIUs?
- control extension/ retraction of the gear and operation of the doors
- supply information about gear to ECAM
- sends signals aircraft in air or ground to other systems
What information of the landing gear is send to the LGCIUs?
- locked down/ up
- shock absorbers compressed/ extended
- landing gear doors open/ closed
Which information about the cargo doors is send to the LGCIUs?
Position of manual selector valves, locking shaft, locking handle, safety shaft, door sills.
Which information about the flaps is send to the LGCIUs?
Signals from 4 flap disconnect proximity switches
Which LGCIU is connected to the landing gear panel?
Lgciu1
When does the red arrow on the landing gear selection panel come on?
When the landing gear is not locked down and the aircraft is in the landing config and a red warning appears on ECAM.
What controls the nosewheel steering?
Bscu
What is the nosewheel steering angle from the rudder pedals?
+/- 6 degrees
What is the nosewheel steering angle from the handwheel?
+/-75 degrees
Between which speeds does NWS angle reduce with rudder pedals?
0-130kts
Between which speeds does NWS angle reduce with the handwheel?
0-80kts
By which system is normal braking controlled?
BSCU
By which system is alternate braking controlled?
ABCU
What are the secondary functions of the BSCU?
- check residual pressure in brakes
- monitor brake temperature
- wheel speed info to other systems
What are the load acceleration limits in clean config?
-1G to 2.5G
LIM 10
What are the load acceleration limits with the slats and/ or flaps extended?
0G to +2G
Lim 10
What is the lowest permittable temperature for the A320?
-70 degrees
LIM 12
What is the maximum (mean) runway slope?
+/- 2%
LIM 12
What is the maximum runway altitude?
9200ft
Lim 12
What is the maximum demonstrated crosswind for landing?
38kts (gusts included)
Lim 12
What is the maximum tailwind?
10kts
Lim 12
What is the maximum wind for passenger door operation?
65kts
Lim 12
What is the maximum wind for cargo door operation (and what when the nose is oriented into the wind, or the cargo door is on the leeward side)?
40kts (50 kts)
Lim 12
Before which speed must the cargo doors be closed?
65kts
Lim 12
On what runway conditions is take off not recommended?
- wet ice
- water on top of compacted snow
- dry snow or wet snow over ice
Lim12
What is the maximum speed for flaps1?
230kts
Lim13
What is the maximum speed for flaps 2?
200kts
Lim13
What is the maximum speed for flaps 3?
185kts
What is the max speed for flaps full?
177 kts
Lim 13
What is the max speed with landing gear extended? Vle?
280kts/M.67
Lim13
What is the max speed at which the landing gear may be extended? (Vlo)?
250kts
Lim13d
What is the maximum speed at which the landing gear may be retracted? (Vlo)?
220kts
Lim13
What is the max altitude at which the landing gear may be extended?
25000ft
Lim13
What is the maximum tire speed?
195 kts
Lim13
What is the max speed for the windshield wipers?
230kts
Lim13
What is the max speed for cockpit window open?
200kts
Lim13
What is the pressure level limit to open the ram air inlet?
Differential pressure lower than 1PSI
Lim21-21-10
What is the maximum positive differential cabin pressure?
9.0 PSI
LIM21-21-20
What is the maximum negative differential cabin pressure?
-1 PSI
LIM21-21-20
What is the pressure for the safety relief setting?
8.6 PSI
LIM21-21-20
Up to what temperature is there no time limitation for the avionics ventilation system?
OAT 49 degrees
LIM21-21-30
What is the max continuous load per generator?
100% (90KVa)
Lim24
What is the max continuous load per TR?
200A
Lim24
What is the max operating altitude with flaps and/or slats extended?
20000ft
Lim27
Is it allowed to exceed the maximum fuel imbalance values?
Yes, in exceptional conditions (I.e. Fuel system failures) it is allowed without affecting the aircraft handling.
Lim28
What is the minimum fuel quantity for takeoff?
1500Kg
Lim28
Which fuel ECAM message may not be displayed for take off?
WING TK LO LVL
lim28
Is it possible to mix the various types of fuel?
Yes, in all proportions.
Lim28
What is the normal operating pressure for the hydraulic system?
3000 PSI +/- 200
Lim29
What is the maximum brake temperature for take off?
300degrees
Lim32
What is the max speed in a turn during taxi if 1 tire is deflated on one or more gears?
7kts
Lim32
What is the max speed during taxi and max steering angle if two tires are deflated on the same main gear?
3kts and Max steering angle 30degrees.
Lim32
What is the nosewheel steering limit when using the handwheels?
75 degrees.
Lim32
What is the nosewheel steering angle limit for towing and pushback?
95 degrees
Lim32
What is the nosewheel steering angle limit for towbarless towing and pushback?
85 degrees.
Lim32
Within how many hours op operation is maintenance action required when the ECAM LOW OIL LEVEL is generated for the APU?
Within 10hours of APU operation
Mel 49-10
How long must be waited for the APU starter after 3 starter cycles have been done before attempting another 3 cycles?
60min
Lim49-10
What is the max APU EGT?
675degrees
Lim49-10
What is the max APU EGT for start below 35000ft?
1090degrees.
Lim49-10
What is the max APU EGT for start above 35000ft?
1120 degrees
Lim49-10
Below which altitude may the APU be used for electrical power?
At or below 25000ft
Lim49-20
Up to what altitude may the APU be used for engine start?
Up to 20000ft
Lim49-20
Is air bleed extraction from the APU for wing anti ice allowed?
No
Lim49-20
Up to what altitude can the APU be used with one pack?
22500ft
Lim49-20
Up to what altitude can the APU be used with two packs?
15500ft
Lim49-20
What is the EGT limit for TOGA thrust?
950 degrees
What is the EGT limit for MCT thrust?
915 degrees
Lim70
What is the EGT limit for starting?
725 degrees
Lim70
What is the max continuous oil temperature?
140 degrees.
Lim70