-
What are the material used in the fuselage?
- 1. Aluminium
- 2. Composite materials
- 3. Titanium
- 4. Acrylic plastic
-
What are the 3 x main fuselage sections?
- 1. Cabin
- 2. Main fuselage
- 3. Rear structure
-
Primary function of centre (or control) post?
House vertical pushrods
-
In forward flight, the horizontal stab creates a downforce which will pitch the nose…..
Up
-
Cabin roof structure is a
No step zone
-
The body structure, which Carrie’s flight and landing gear loads is made of what?
Aluminium alloy
-
What do the horizontal stab end plates, vert stab and tail bumper do?
Provide lift IOT counter torque effect produced from the main rotor system
-
Cargo doors can only be operated from
Outside of the acft
-
Cockpit doors can only be place in the spoiler position when?
On the ground
-
What does seating cockpit doors to spoiler position allow?
Increase fwd airspeed with main cabin doors open
-
According to the FM, when can cockpit doors be jettison?
After touchdown
-
All 6 doors are made from
Composite material
-
In an emergency, the entire main cabin sliding door can be jettison? true/false?
False
-
The gas springs in the cockpit and cargo are used to hold the doors
Open
-
Main cabin doors can only be locked in the closed position?
False?
-
Maintenance steps must be…?
Closed IOT prevent damage to the sliding door whilst being opened
-
3 x hand operated access panels on each side of the fairing assembly are?
- Transmission oiler cooler
- Forward engine
- Aft engine
-
What colour will an engine cowling that’s latch left open display?
Red
-
The fuel filler neck access door must be opened with a
Key
-
Open the external power receptacle with your? It also contains what?
Hand and contains and ICS port
-
The landing gear provides mounts for what 3 items?
- Wire deflectors
- EMERG float system floats
- Ground handling wheels
-
The landing skids are structurally attached to the aluminium cross tubes via
Shoes with clamping rings
-
IOT provide additional ground clearance height the acft is fitted with the…?
Intermediate height landing gear
-
Skid plates are installed on the landing gear IOT provide a ….?
Sacrificial wear surface or the landing gear
-
Ground straps electrically connect the fuselage to the cross tubes and the cross tubes to the…?
Skids
-
The purpose of the wire strike protection system (WSPS) is to?
Provide a measure of protection against collision with horizontally strung wires and cable
-
Cockpit seats have how many points?
5
-
Cabin seats have how many points?
4
-
Cabin seats can/can not be adjusted fore/aft and vertically by the crew?
Can not
-
Cockpit seats have a _____ shoulder harness inertia reel unlike the cabin.
Lockable
-
What are the characteristics of the cockpit seats?
- 5 point restraint harness
- Should belts with lockable inertia reel
- Adjustable lumbar support
-
What are the characteristics of the off the Martin baker main cabin seats
- 4 point restraints
- Rotatable 360 degrees
- Shoulder belts with lockable inertia reel
-
Stowage under the seats in the acft is
Prohibited
-
Max floor loading is_____kg/m2
600
-
What is a common characteristic of the cabin and cockpit seats?
Crash attenuating
-
Acft docs must be stored in the_____
Right door pocket as it taken into account for acft weight and balance
-
Each tie down is rated to____?
100kg
-
What are the three instrument panel sections
Left, right, centre
-
Venting lines allow equalisation of_____
Pressure across the tanks
-
Thermal expansion of fuel will cause the excess fuel to flow into the
Expansion tank which can hold 14L
-
The RH supply tank is how many kgs smaller than the LH?
4.5kgs
-
Total fuel in all fuel tanks?
- Main tank - 474.5
- LH supply - 49
- RH supply - 44.5
- TOTAL - 568
- Unusable - 7.6
-
Which supply tank has the foam core and why
RH to allow it to run out 1 min earlier from fuel starvation
-
State the crashworthy adaptions of the EC135 fuel system
- Flexible, impact resistant fuel tanks
- Flexible hoses for supply and ventilation
- Suction type fuel feed to the engines
- Fuel supply shut-off in the case of the engine fire
- Fuselage structure supporting the tanks
-
Fuel is provided from the main tank to the two suppl tanks through the use of?
Transfer pumps
-
Fuel is supplied under pressure from the supply tanks to the engines during start by the?
prime pumps
-
The F PUMP AFT/FWD caution light will appear if the pumped has not pumped any fuel for…?
3 minutes
-
Another way to shut off fuel to the engines besides the SIF is to
Depress the EMERG OFF switch (FIRE) buttons on the warning panel
-
Once and engine has started the prime pumps will…?
Do nothing to the engine as the engine will draw the fuel up from the tank on its own
-
How much fuel remains when the “FUEL” caution on the CAD appears?
36kgs in system 1 or 32kgs in system 2
-
How much fuel if LOW FUEL Warning light comes on?
32 in system 1 or 28 in system 2
-
How much flight time in LOW FUEL warning light comes on?
10 mins
-
How long will the transfer pump ‘run dry’ for before indicating on the CAD
3 min
-
If both transfer pumps fail, the only fuel you would have access to would be in the ___ tanks
Supply
-
If the CAD lane fails, would you have any remaining indication of fuel quantity
Yes, the “low fuel 1 // 2” warning and chime still works 32/28kg
-
If the CAD displays 300kg of fuel but the LOW FUEL warning is on, which is assumed correct?
LOW FUEL warning has priority always
-
What 2 indications are available in the cockpit as a warning for the detecting system?
Visual on warning label and audio (bell)
-
How many fire detectors are on each engine?
2
-
What is the main purpose of the engine fire wall
Prevent fire from spreading
-
How many fire bottle(s) are there?
1
-
Where are each engines fire detections elements located under?
- Starter generator
- Combustion chamber
-
Pressing the FIRE button will release the fire agent TRUE / FALSE?
False
-
How long does it take to inflate the floats?
4 seconds after buttons pressed
-
Max permissible speed with floats inflated
80kts
-
Where are the floats activated for inflation?
Collective heads
-
Max height for float inflation
5000’
-
Max airspeed with float switch in ARM?
Vne
-
Airspeeds for calm water touchdown speeds
30kts
-
Max RoC with floats inflated?
1500fpm
-
What additional item is fitted to the skids when hoist and floats fitted?
Cable deflector on RHS
-
What is the heel systems purpose?
Guide crew and pax to the exits
-
What is in the fire ext?
HALON
-
What are the ELT transmitted freqs
406 and 121.5mhz
-
Will the ELT transmit a gps signal when removed from the acft?
Yea
-
What band must the portable fire ext be in?
Green
-
First aid kit loc?
On the inside of the clamshell doors
-
Purpose of cockpit camera
Record video and audio to its internal media storage
-
With the EMERG EX LT switch to ARM - activates the exit light, HEELS in the case of the power loss, crash landing or
Ditching
-
CVFRD will record voice info for how many minutes?
120
-
To turn on all the lights in the cabin, the pilot selcts the PAX/CARGO switch to
PAX/CARGO
-
Placing the EMERG EXIT HEEL cockpit switch to ON will activate the EXT and HEEL lights excluding…?
The cabin sliding door HEEL lights
-
3 settings for instrument lights?
Day, night, NVG
-
Can you adjust the overhead panel brightness?
No
-
The HEEL switch when placed to ARM will allow the HEEL system to be activated when…?
- Total power loss
- Contact with water
- Crash landing
-
What lights are NVG compatible
- Position lights
- Anti cols
- Formation lights
-
Can you slew the landing light
No
-
Can you slew the search light
Yes
-
Do both the landing and searchlight have IR operating mode
No just search light
-
When is the cyclic lock used
On the ground only
-
What is the order of the MHAs/EHAs from right to left
- Roll - right
- Collective - centre
- Pitch - left
-
Electro-hydraulic actuators (EHAs) are located on what channel?
Pitch and roll
-
What does the vibration coupling do?
Tilt upper guidance unit fore/aft to prevent control inputs caused by flight load induced transmission movement
-
What components make up the swashplate assembly?
- Sliding sleeve - collective
- Cardan ring - gimbal assembly
- Cardan ring - stationary - cyclic
- Bearing ring - rotating - output to rotating control rods
-
Function of swashplate
Transfer station control to rotating outputs
-
What does the mast moment indicator do (MMI)?
Measures and indicates the rotor mast bending moment
-
By bending and flexing, the main rotor blades flex beam, allows each blade to…..
-
What sort of main rotor head system does the EC135 have?
Bearing-less, hinge-less 4 bladed main rotor head
-
What cable transmits movements from the pilots bell crank to the dual yaw actuators?
Flex ball cable
-
How many blades in the Fenstron
10
-
What flight control will no longer be boosted if the #2 hyd system fails
Tail rotor
-
Both hydraulic pumps are driven by…?
The transmission via the accessory drive
-
They hyd sightglass must display at least…. To be serviceable?
50%
-
With the hyd test switch to sys 2, what cockpit and flight control indications will you see?
- Sys 1 caution
- Nil change to flight control feel
-
When can you test the hyd system?
On the ground only
-
Where no control input is present in a follow up HYD system, which component blocks the pumps pressure from reaching the boost cylinder?
The control spool
-
What AFCS control system can provide an input signal into an EHA?
SAS and autopilot inputs
-
The pitch, collective and roll hydraulic actuators have how many stages?
Two stage / dual
-
What hydraulic system supplies the electro-hydraulic component of the EHAs
System 1
-
What type of hydraulic actuator does the collective have and what’s it location in the pack
Mech-hydraulic Actuator MHA in the centre
-
How many boost post sons are there in a single EC135 EHA/MHA?
1
-
Loss of the #1 hyd system will result in the degradation of the ___ and __ SAS channels
Pitch and roll
-
Hyd systems work on the principle that the liquids do not…
Compress
-
If the pilot ceases control inputs, the hyd system MHA/EHA pivots around the
Control input rod
-
Does the tail rotor Fenestron hyd actuator use the same follow up principle as the MHA/EHA?
Yes
-
How many stages in the tail rotor hydraulic actuator
1
-
What does the engine provide?
Tq, bleed air and electrical power
-
What items does the engine accessory drivetrain drive?
Alternator, starter/gen, oil pump, fuel pump(and n1 speed)
-
How many engine chip burns can you do?
1, if it clears you can do a second IAW checklist
-
What are the engine oil cooler fans driven by?
Main transmission
-
How many oil pumps in the engine?
-
Are the IBFA doors usually open or closed?
Closed to allow filtered air
-
What happens to the IBF doors in an engine failure?
Failed engine stays closed or will close and the normal engine remains open or will open to allow greater airflow
-
Where is the engine fuel pump, what’s it driven by?
Front face of reduction gearbox and driven by n1 heart tan
-
If you see a FUEL FILTA CAD what does this mean?
Fuel filter caution for impending opening of the engine by pass due to clogged filter elements
-
How many fuel injectors and what are their functions
- 1 preference - pilot light
- 9 main injectors
- 2 start injectors (until 50% n1)
-
What are the modes the fuel metering unit can be in
-
What are the differences in the fuel metering modes?
- Auto - eecu controlled
- Manual - controlled manually via the twist grip after eecu failure or manual mode selected
- Mixed - controlled by both eecu stepper motor and twist grip
-
Which twist grips control what engine
- Too - engine 1
- Bottom - engine 2
-
What button is pressed on the collective to manually cut off fuel?
The OFF or STOP MIN FUEL button
-
What controls the engine starter sequence
The eecu
-
What N1% does the ignition system shut off on start
50%
-
Other than a FADEC malfunction what 2 other methods take the engine out of auto mode?
Twist grip moves from neutral or engine mode select switch set to MAN
-
If the acft has a double generator fail with the FADEC still work?
Yes,They run off the alternators power by the accessory geartrain
-
With the engines running, will switching the FADEC Switches off affect the FADECs?
No, they remain on as they are power by alternators when N1 is greater than 50%.
-
What happens to fuel flow in Manual mode?
It freezes at the point it entered the mode, no change to fuel flow during mode changes
-
What are the primary FADEC functions
- Fuel supply
- Auto engine control
- Auto torque matching
- Power turbine over speed protection
- Governs Nr
- Engine and power monitoring
-
At what DA will the N2 automatically increase
4500’ to 9500’ increases from 100.5 to 103.5%
-
What 2 things are required to return the engine fuel system to auto mode?
Norm on overhead panel and twist grips neutral
-
What compensates for Nr droop
The LVDT connected to the collective and pedals
-
How do you select Nr HI mode?
Push button, then confirm on if within parameters via the green light
-
Nr HI airspeed activation/deactivation parameters
- On accel over 55KT
- Off Decel below 50kts
-
Where does Nr HI receive its airspeed data from?
ADC2
-
Depressing the NMS2 switch on the slant panel does what?
Turns off power to the GTN750
-
Differences between NMS1 and 2
- Screen size
- NMS2 available prior to avionics switch on via batt power
-
How many flight plans can the GTN store
99
-
How many points in each flight plan?
100
-
How many DME stations can be tracked simultaneously
3
-
How many receivers in the DF system?
6
-
Where is the ADF antenna
Under tail pylon
-
Below what height is the weather radar inhibited
50ft AGL
-
4 methods to activate the ICS
- VOX
- 1st detent on the cyclic trigger
- ICS/TX toggle on the ACP
- PTT switch on cabin drop leads
-
How many ACPs in the ACFT
4
-
What radio is available on battery power
GRN750 VHF2
-
What freqs do the GTNs operate in
VHF…. Hence VHF1/2!!!!
-
What radio is the sat phone connected to?
GTN750/VHF2
-
What radios can transmit in UHF
TAC1/2
-
What radios can transmit on VHF
VHF1/2, UHF 1/2
-
does the IFF have ADBS in/out?
Only out
-
What colour is the last 20’ of hoist cable?
Orange
-
Hoist cable brake strength?
3300?
-
Total length of hoist cable
90m
-
Can both pilots and acmn boom the hoist out?
Yes, both can
-
Hoist boom out time
7.5 seconds
-
Hoist readout display is in…?
Metres
-
How do you power on the hoist?
Set switch the CC-ARM / ON
-
What caution comes in when the hoist is powered on?
CA CUT ARM
-
What can you do with the hoist when the rear hoist button is set to STBY
- Boom out - yes
- Raise / lower cable - no
-
If you lose both Gens can you raise the hoist?
Yes, on battery
-
If there’s a single generator failure can you complete a hoist cycle
Yes, other gen provides 60A, hoist will be slower
-
Max load that can be raised on the hoist
550lbs/249kg
-
Max winch cable angle is….
-
Hoist cycle definition
16ft (5.0m)
-
Maximum speed for hoist
- 600lb - 150fpm
- 300lb - 200fpm
-
Cable length readout
VEMD
-
-
Max AoB cargo hook
30 degrees
-
Where is the hook electrical release
Cyclic, too right
-
Max speed for hook ops
100kt (spoiler config) or Vne whichever is the lesser
-
-
Cargo hook release options
Electrical, mechanical, manual
-
Where is the hook mechanical release?
RHS (pilot) collective
-
When power is applied to the hook and 5kg is applied what light is displayed on the CAD
HOOK UNLD
-
Where does the heating system get its bleed air?
Engine
-
What does the HTG OVTP caution indicate
Heater has overtemped and bleeds shut off
-
To defog the windscreen set the distribution knob to..?
Defog
-
When the PAX/BLW switch is set to ON the PAX blower runs at …?
100% (enable allows manual control)
-
the CPDS OVHT caution will appear at ….?
55 deg
-
When does the cockpit blower automatically activate
45 deg, no CAD indication
-
Circulation air knobs posn?
- Out = ambient flow
- In = recirculated air
-
What drives the aircon compressor
The main gear box
-
What’s additional in the air con system?
Evaporator
-
What happens to the aircon when ….. switch is actuated
CABLE CUT - ARM
-
Max windscreen wiper airspeed
80KIAS
-
How king should the ice sensor cool for before conducting the test during the pre flight?
10 mins
-
Flight in icing is
Prohibited
-
How many oil pumps in the transmission system
2 in lower gearbox casing
-
What does a popped oil filter button indicate
Oil filter pre clogging indicator
-
Where are the transmission oiler coolers?
Abeam the main transmission
-
What draws air into the transmission oil cooler
Cooler fans driver by the transmission accessory drive
-
How many chip detectors in the transmission system
1 fifties in the common suction line for both pumps
-
Below what RPM can you operate the rotor brake?
50%
-
How much time between rotor brake applications
10 mins
-
What 2 parameters bring on the ROTOR BRK CAD
- rotor turning
- Brake lever engaged
-
How is the transmission mounted?
By 4 x ARIS mounts
-
Whats the purpose of ARIS?
Anti resonance isolation
Spring/mass damper to isolate vibrations between the rotor and fuselage
-
What is the emergency stop above each ARIS for?
Supports trans if the primary bellows of the ARIS fails
-
What is the mass/spring dampener?
Below cockpits feet to compensate for lateral vibes
-
Purpose of the tail rotor gearbox
- Drive tail rotor
- Reduce speed from shaft
- Divert the direction
-
Does the tail rotor gearbox have a chip detector?
Yes
-
What powers the essential bus bar during AEO
generators and the battery(as a backup)
-
What electrical items remain in a power loss
“Essential” items on their bus
-
Where does the starter get its power
Battery and EPU or other generator
-
What’s the purpose of a busbar
Receive and distribute power to systems
-
In normal AEO ops where do the shedding busbars get power from
Generators through primary busbar
-
Battery provides …?
24 VDC
-
What type of battery is in the acft?
Nickel cadmium (20 cell)
-
What does the battery master box do(BMB)
Controls and monitors operation of the battery
-
The avionics master connects power to which buses?
Essential 1 / 2 and shedding 1/2
-
If a bus tie is opened or a generator fails what busbar is automatically disconnected
High load
-
Where are the Gen switches
Engine switch assembly
-
Does the battery need to be connected before external power is applied?
Yes
-
How many gems have to fail before shedding buses are automatically disconnected
2
-
What cockpit switch allows you to reconnect the shedding busses afte they have been disconnected
Shed bus
-
DC power is converted to AC by
An inverter
-
Where does the inverter get its name and power from
inverter 2 as it gets it from essential Busbar 2
-
What is the output(s) of the inverter
26 and 115VAC @400hz
-
What components run on AC power
- AHRS 1
- Pitch and Roll SAS
- WX radar
- Ice detector
-
-
-
3 operating modes of CPDS
- Normal - 3 screens
- Derivative - 2
- Backup - 1
-
What 3 systems make up the AFCS
3 axis SAS, autopilot and pitch dampener
-
What two components make up the YAW SAS
- SEMA 1
- FOG (fibre optic gyro)
-
Where does yaw SEMA 1 get its info?
YAW FOG
-
how are the 3-axis SAS and pitch dampener deselected
AP SAD cut bottom on cyclic
-
3 major components of the P & R SAS
- AHRS 1
- SAS computer
- P and R EHAs
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