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What is the 10/10 rule?
You must be less than 10° NU below 10ft AGL to prevent tail strike.
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What is the engine deck made from and what temperature can it withstand for how long?
It is made of titanium and can survive 1500°C for 15 seconds.
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What are the decking nose and lower shells made of?
The stringers and frames are made from aluminium and the skin is a composite material (Kevlar/glass fiber over nomex honeycomb).
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What is the floorboard made from?
Aluminium honeycomb
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Can you stand on the cabin roof?
Only if the aircraft has been updated per the supplement with reinforced material which looks like black matting.
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What is the cabin structure made of?
- Cabin framework: Carbon composite
- Cabin roof: Composite
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What are the cockpit doors made of?
Carbon fiber with nomex honeycomb
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Describe the main rotor system?
It is called a Bearingless Main Rotor (BMR) which consists of 5 rotor blades, flexbeam inside the control cuff and lead/lag dampers.
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How is lead-lag and flapping accounted for on the rotor blades?
- The flexbeam within the control cuff.
- The flexible neck made of a composite material has a flapping hinge as well as a lead-lag hinge.
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Describe the rotor brake system?
- It is a hydro-mechanical system acting on the tail rotor drive shaft close to the MBG consisting of a:
- Brake lever
- Brake cylinder assembly (Reservoir, Spring damper cylinder)
- Brake bracket
- Brake actuator and disc
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Describe the MGB?
- Wet sump transmission consisting of:
- 1 x oil temp transducer
- 1 x oil temp switch
- 2 x oil pumps
- 2 x oil filters
- 2 x oil cooler fans
- 2 x oil pop-out bypass indicators
- 2 x chip detectors
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What prevents the Main Transmission from moving excessively on the fuselage?
- 4 x vertical load struts
- 1 x side load rod (Preventing tilting or sideways motion)
- 2 x torque rods (Support in longitudinal direction or anti-torque motion)
- 2 x emergency stops underneath each torque rod housing (Holds transmission in place in the event of torque rod or side load rod failure)
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What is the purpose of the MMI?
To monitor the bending moment of the mast.
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Why does the 'DOOR' light illuminate?
A micro switch on either of the cockpit, cabin or clam shell doors has been activated.
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What is the tail boom made of?
- Carbo Fibre Reinforced Plastic - CFRP
- Honeycomb composite
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How many bearings on the long, FWD and AFT TR shafts?
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What type is the TR gearbox?
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Which control's have Force Trim Release?
Cyclic and collective
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How do you operate the trim system?
- Beep trim switches; and
- Push buttons Trim release.
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What HYD system supplies hydraulics to the tail rotor?
Both #1 and #2 hyd systems
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Which HYD system houses the TR SOV?
#1 HYD system
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What occurs when you select SYS 1 on the hyd test switch in the overhead console?
Selecting SYS 1 sends a signal to the SOV in SYS 2, therefore you are testing hydraulic system 1. Vice versa if you select SYS 2.
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What indication will you get on the ML if you have a low pressure identified in the #2 hyd system?
- On master list you will get:
- LOW PRESS HYD 2
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How do you know the 'control spool' may be blocked after conducting an 'override test'?
This can be recognised by increased forces on one side of the control input.
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During normal operations what is the minimum set-up on the MFD's?
- You must have at least 1 selected to the FND.
- This is defaulted to #2 MFD, unless this MFD is not operational, than another will be changed to the FND.
- First warning after 25 sec, than automatic change after 30sec.
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What does the 'BUS TIE's' do?
Connect the #1 and #2 main busses (EMB's) together, as well as the battery bus.
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Why would you see the 'BTY DISCONNECT' caution appear on the ML?
When the EPU is connected and supplying DC power over the battery.
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What is the purpose of the SHED bus bars?
To turn off items to save battery power that are not required in the event of a double generator failure.
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What systems are supplied by the EMERGENCY bus?
- IESI; and
- EM/EX (Emergency lights inc. HEELS)
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Where do you find all of the CB panel locations?
- Overhead panel
- Rear right and left of cabin
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Why do you get a 'BATTERY DISCHARGE' indication on the ML?
- Means that the battery is supplying more power than other power suppliers, eg, generators or EPU.
- Triggered when BTY is less than 24V.
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What does the blue line on the FLI indicate?
30sec topping power limit
If power is above this line and you have an engine failure you will get a rotor droop.
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Why do you get the 'ELEC OVERLIMIT' caution on the ML?
Triggered if any generator / battery / EPU current or bus voltage exceeds a low or a high limit.
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What are your actions if you get the 'GEN1 OVERHEAT' or 'OVERHEAT GEN2' caution on the ML?
Checklist
- Turn off affected generator
- If caution still on after 1 min prep for OEI
- Shut engine down
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Why do you use the Fuel Prime Pumps?
Used to prime the engines for engine start
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What has occurred when you receive a Jet Fuel Nozzle caution on the ML?
The jet fuel nozzle in the AFT main fuel tank has stopped working.
This may result in up to 58kgs less fuel being transferred into the FWD main fuel tank.
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Why are the over-flow channels between the supply and main tanks, between #1 and #2 supply tanks at different heights?
1 engine will flame out slightly earlier than the other.
Rather than having a foam block within the supply tanks to change the quantity per previous versions, the different channel height means a slightly different quantity of fuel is remaining in each tank once the main tank is empty.
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In the event of an engine failure or alternator failure, do you lose you FADEC's?
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- Ch 8 p 164
No. FADEC will be supplied by the ESS BUS if the alternators are not operating.
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What controls the engine start?
Automatically by the FADEC or EECU.
For a hung start the EECU will attempt a re-start.
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What brings on the 'LOW FUEL' caution on the ML?
The 'low fuel sensor' housed on the fuel quantity transmitters on either of the equipment plates in the supply tanks.
This message is sent directly to the Warning Unit (WU).
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If you are flying and you get 'N2 DISAGREE' caution on the ML, what is the outcome?
After the checklist you decrease Vne by 20kts
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Why do you get the 'FUEL QTY DEG' caution on the ML?
Failure of 1 of the FWD main, AFT main or AUX fuel tank transmitters.
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When do you see/hear the ENGINE ONE/TWO FAIL lights/audio?
When N1 for the respective engine has fallen below 45%
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What function does the 'AP/BKUP CUT' button on the cyclic perform?
- 1 press - cuts both AP1 and AP2 off
- 2nd press - cuts the backup SAS as well
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If you have ALT / HDG / IAS upper modes engaged, what functions do the beep trims have on the cyclic and collective?
- Cyclic FWD/AFT - IAS change
- Cyclic sideways - HDG change
- Collective FWD/AFT - ALT change
- Collective sideways - HDG change
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What must occur before a fire bottle is set off in an engine?
- EMER OFF SW 1 pressed
- BOT1 SW pressed
- Bottle discharged when N1 is less than 45%
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At what percentage is the 'MM EXCEEDED' caution activated?
- 90%
- 83% for more than 10 sec
- 75% for more than 60 sec
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When shutting down how long at IDLE before OFF on the Engine Mode Selector?
30 sec at IDLE
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