Tech exam Flashcards
MTOW and MLW for A and B model
12700/12340 & 13605/12930
How do you test the Auto Ignition in the A model?
PL above FI with both engines shut down
How do you test Auto Ignition in the B model?
Before engine shut down when CL at Fuel shutoff, as the Ng decreases, the FSP IGN lights must illuminate until Ng decelerates below 62%
What is the ITT Limitation for the B model with No APR 2mins and 5 mins?
927 and 917- FCOM Chpt 2
What is the ITT Limitation for the B model with APR - 2mins and 5 mins?
950 and 940 - FCOM chpt 2
What causes the HP HIGH light to illuminate on the OVRHD panel?
HP valve fails to close after close command is received- FD Panels and lights
What causes the BAT HOT light to illuminate ?
Battery temp over 71 degrees
When does EMERG POWER illuminate on the overhead panel?
Emerg bus not powered,
Emerg battery less than 24v, or
Emerg battery not being charged
When does the INVERTER light illuminate on the Overhead panel ?
If inverter fails or the switch is in the OFF position - FD Lights and panels
“Pitch trim” on the CWP indicates what?
Pitch trim sync is deactivated- Bonus what causes this? 1 unit of disagreement
What is touchdown protection?
It prevents from landing with brakes on
In order to function we need-
Anti skid ON,
Gear level DOWN and
WoW for over 3 seconds, or
PL below FI for over 3 seconds or
Average wheel speed 50KIAS
How do you energise the MAIN START BUS?
Gen bus or GPU online
Bus tie must be closed
What are the functions of the Hydraulic AUTO pump?
Pressurise system in normal operations and shuts off when there is no demand
What does GPU relay do to other relays?
Opens Start/Gen/Battery relays
When is the EMERG Battery charged?
When the L Batt bus is powered by at least one battery switch on
Where does the ignition system get its power from?
1 of the 3 windings in the Alternator
What does DE ICE OVERTMP light indicate?
Either temperature sensor is reading over 150 degrees
When does the Hydraulic system operate in AUTO?
Turns on at 2100psi and off at 2900psi
Also during gear extension and retraction
Extension until left main is down and locked
Retraction until both main are up and locked
If we start the BATT in override, what are we doing?
Overriding the 71 degree battery protection
If the px controller is functioning normally in AUTO, what px will it limit the system to?
7.1psi
When does CABIN PRESS altitude warning illuminate?
10000ft Cabin alt
What does the emergency accumulator do?
Release emergency up-locks and pressurise the main reservoir
What is the accumulator nitrogen precharge pressure?
1650psi
How do we pressurise the brakes if the main accumulator pressure is lost?
Hand pump
What is the first memory item for the HYDR light?
Hydraulic pump off
If the cabin is over pressurising and electro pneumatic valve (primary) is stuck, how can you de-pressurise?
Can do so manually by moving switch to manual and using secondary outflow valve
What is the ancillary system for the Hydraulics system?
The hand pump - FO side
How is the fuel heater operated?
Operated thermostatically- thermostat switch
How is the fuel heated?
Heat exchanger uses PGB oil to heat the fuel before it is transferred to the HMU
To operate the hydraulic pump in override do we need battery on?
L Batt bus and AUTO is preferred
Initial pressure for the main reservoir is supplied by ?
Internal spring pressure and emergency accumulator
What controls propeller blade on ground and in sky?
Power lever below FI (Beta) and Condition levers above FI
What is the SHP on the B model (APR on)
1870
Max prop RPM for take off?
1396 rpm
Engine starter duty limitations
Max start 2 with 3 minutes then 25 between start cycles
Max motoring 3 x 30 second ventilations then 1 hour for subsequent start/motoring cycles
Max start time is 20 seconds
If the Ng is going through 40% and stays there, what do you do?
Abort start- CL off and Ign Off
Max start ITT for a B Model?
965 degrees
What does the ANTI ICE light on the FSP indicate?
Anti Ice switch position is ON
Max starter engaged time?
70 seconds including 30 seconds of motoring
Fuel Conundrum- Left to Right
Battery ON
Power Fuel Panel
Fuel Mid/High
Open de fuel valve
XFEED ON
LH STBY pump OVRD
Pneumatic jet pump connected to WoW switch does what?
Assists the airflow around the precooler on the ground
When is the bottoming governor enabled in the A model?
581 RPM
Normal ground ops = 1040 rpm
Reverse thrust ops = 1200rpm
What is the voltage required for a battery start?
24 Volts
What powers the engine electrical intake mats?
AC Wild generator
If you lose an AC generator airborne, what do we lose?
Ice protection for that side. Cannot fly in icing conditions anymore as it cannot be crossfed
Gas generator overspeed is prevented by what?
Overspeed shut off valve in the HMU, when the Ng reaches 110% the overspeed shut off valve induces flame out by shutting off fuel. There is no auto relight function– overspeed governer in the HMU (exam)
What is the CTOT T/O function in the B model? How do you switch it on?
CTOT T/O provides constant power at take off to counteract torque bloom caused by RAM air at take off.
Require CTOT and Autocoarsen ON
If the Left aileron system is jammed what trim do we use?
Use the standby trim on the right aileron.
How do we reset torque motor?
By shutting engine down, CL to Fuel SHUT OFF
What is the purpose of the CTOT?
Is to increase engine speed beyond the power lever position
What happens when you pull the fire handle?
Engine fuel shut off
Bleed air OFF
Start/Gen relay open
Silence fire bells
Reset master warning
Squibs armed
How is the power turbine (Np) protected from overspeed?
When Np speed is 25000rpm (1573 prop rpm) is reached, the DECU shuts fuel, after a 5 second delay it initiates ignition for 7 seconds. If the rpm has dropped below overspeed value, the fuel is reintroduced
What is the purpose of the autocoarsen system?
Fast reduction of the windmilling drag experienced at engine failure
How do you feather the propeller?
Move condition lever to the Start detent
What does Duct OVER TEMP light indicate?
ACP compressor discharge temp is above 225 degrees, or
Distribution duct temp is above 82 degrees
Engine fire detection system incorporates what? How is fire detected?
Using a single continuous loop detection circuit
Where does the fire detection system get its power from?
Emergency battery bus
How does the extinguishing system work?
1301 Halon extinguisher in each engine nacelle able to cross-feed
Dual wall 1301 Halon in the cargo with 35 minutes run time, external immediately dispersed and internal slowly to prevent re-ignition
How does the extinguishing system work?
1301 Halon extinguisher in each engine nacelle able to cross-feed, discharged using switch in cockpit overhead
Dual wall 1301 Halon in the cargo with 35 minutes run time, external immediately dispersed and internal slowly to prevent re-ignition, no auto discharge, use switch in cockpit overhead
1211 Halon extinguisher in the lavatory bin, extinguishes automatically when 75 degrees or above is sensed.
Where does the extinguishing system get its power from?
HOT Battery bus
How do you stop the stick pusher from pushing?
Push 1 of 2 “Pusher Disarm” buttons in the cockpit
At what temp will the “Tail Pipe Hot” light illuminate?
235 degrees
What do you do when there is an elevator trim runaway in the nose down position?
Use the standby trim to disconnect or pull circuit breaker (Right is standby)
If you have used the fire extinguisher in the right engine and the fire is still on, what do you do?
AAHHHHH Fuaarkkk!!
Cross feed the left extinguisher into the right nacelle
What is the indication the fire is out?
Fire handle and CWP are not illuminated anymore.
What is the extinguishing agent for the cargo compartment?
1301 Halon
What type of extinguisher in the cargo compartment?
Dual wall with 35 minutes run time
(2 bottles in WT - 60 minute run time)
What is the usable fuel capacity?
2542 kg @ 0.79kg/l
When do the standby fuel pumps operate?
At start up when CL out of fuel shutdown the standby pumps operate until main pumps are fully operative, 10psi differential.
Also on when main pump pressure decreases
At what differential pressure will the “FUEL FILTER” light illuminate?
9 psi
What causes the bleed valve to close?
Fire handle pulled,
bleed air temp at 288 degrees,
regulated pressure 43.5psi,
ACP discharge temp 225 degrees,
Distribution duct at 82 degrees
Bleed closed by pilot
When does the inverter light illuminate in the A model?
Inverter is offline
or
switch is off
When does the oxygen light on the CWP illuminate?
When the pressure is below 800 +/- 35 psi
What does the BLUE FUELLING light onthe overhead panel indicate?
Fuel panel switched ON, or
De-fuel valve OPEN
Fuel indicators calibrated to?
Usable fuel
Apart from the main cabin door warning light, what other door warnings are displayed?
Main door, Cargo door and crew emergency escape hatch
What is the max fuel imbalance?
90 kgs
How is cabin temperature controlled?
AUTO or MANUAL
AUTO- using a knob in cockpit can maintain 18-29 degrees
Manual- by holding the switch in hot or cold position, care must be taken as it can be detrimental to systems, 3-75 degrees
What is the source for low pressure air?
5th stage compressor
How do we get airflow across dual heat exchangers? Battery compartment ventilated?
Internal fan connected to WOW switch and RAM air in flight
What ACP provides air to the flight deck
Right ACP provides 1/3 to the cockpit and 2/3 to the cabin. Left provides entirely to the cabin
What is the max gear extension speed?
200 KIAS
What systems are operated by the hand pump?
Flaps, Landing gear and brakes
How are the main and nose gears held up and down?
Using mechanical uplocks
How much castoring does the NWS GND Handling lockout switch permit?
120 degrees with the lockout (C Clamp)
60 degrees when on tiller
What is the source for EMERG braking?
Hand pump or brake accumulator
Boot de-icing system will not function unless?
Unless there is adequate supply at the boot distribution valve
When do we get a stab or boot indication?
When stabs or boots are inflated. Sequence-
STAB, OUTBOARD, INBOARD, STAB
How does pulling fire handle affect pneumatic system?
Closes bleed valves
How are propellers de-iced?
115 V AC Wild generator
If controls are jammed, how do we permanently disconnect?
Electrically, using PITCH or ROLL handle as required
If one of the stall warning systems fail, will the pusher work?
No requires both systems working
How is asymmetric flap position prevented?
By the use of a mechanical interconnect
What does switching rudder limit switch to override permit?
Full scale rudder deflection at any airspeed
If the L DPU Fails with EFIS in NORM position what will you see ?
Blank screens. Can use the R DPU using drive XFR, but can only adjust the brightness on the screens
How do you know the AHRS has failed? How we we fix ?
RED ATT or HDG Flag. On failure you can use XSIDE Data for data from other Attitude heading computer, should display yellow XATT on screen
What is the source of power for the STBY Pitot ?
28 VDC
Max continuous power in the A Model?
100TRQ, 1396 RPM and 917 ITT
What causes the impending bypass light on the overhead panel?
Fuel filter or Engine Oil
In the event of a tailwind what start what process would you consider?
Introduce fuel at 20% Ng or Battery start instead
What does hydraulic pump do in override?
Continuously pumps at 3000psi
If we use CTOT for TO and what would DECU try to maintain?
Maintain the Torque set while the ITT increases.
CTOT is used to set the TRQ for climb at 1500ft. Passing 10,000ft you notice that the ITT has risen
on both engines by 50°C. All other engine indications are normal. What is the reason for this?
The DECU is trying to maintain the TRQ while the altitude is increasing, leading to increase in ITT
What happens when hydraulic fluid is lost?
Loose all hydraulics except emergency
When does fuel low level caution illuminate?
Fuel level at 135 kgs +/- 30 kgs
If there is no pressure in the emergency accumulator, can the emergency handle release the landing gear?
No it cannot.
If the Hydraulic fluid in the main reservoir is lost, will the HYDR light illuminate on the CWP?
No, only when high temp or loss of pressure
Can the brake accumulators be pressurised by the hand pump?
Yes
What is the SHP for the A model?
1735 and 1800
What is the SHP for the B Model? APR Off and On
1750 and 1870
What is the external power Norm and Engine start amperage?
600 and 1600
How do you un-feather a propeller?
Move Condition Lever to UNF (Unfeather) detent
What power source has priority? External, Battery, Generator
External
How is prop gear box overspeed prevented?
Independent overspeed governor should the governor in the PCU fail
Wing span without wingtips
21.44
Wingspan with extended wingtips
22.75
Define icing conditions
Temp below +5 degrees and visible moisture
When must Icing speeds be observed? FD IAS
When flying in icing conditions or the Blue Ice speed light is ON
When must Icing speeds be observed? FD IAS
When flying in icing conditions or the Blue Ice speed light is ON
Maximum flap extended speed–
7 or 15
20
35
175
165
140
Maximum altitude for flap operation?
FL140
Maximum gear operation speeds
Retraction
Extension
Extended
150 kts
200 kts
200 kts
Minimum control speeds– Vmcl
340A
340B
340WT
103
106
103
Maximum operation speed- Vmo
250kts to 16,000 ft then reduces until 210kts at 25,000 ft
Maneouvering speed- Va
180 kts
Maximum rough airspeed- Vra
190 kts to 21,000 ft then Vmo minus 30kts until 25,000 ft
Max tailwind- Take off & Landing
10kts
Max tailwind landing - AFMS 54/55
15kts
Max crosswind
35kts
Max operating altitude
25000 ft
When can you deviate from ATC assigned altitude?
Only for a TCAS RA
Can you use flight directors during a go-around?
No you cannot
When is use of the autopilot not authorised?
Below 200ft on take off
Below 500ft in cruise
Below 50ft during an approach
Below 100ft during a non-coupled approach
What AP mode can be used for climb in icing conditions
IAS mode only
What do we do to the autopilot when you experience an engine failure?
Disconnect, trim aeroplane and then reconnect
When is Yaw Damper not authorised for use?
During take-off, landing & go-around
When must landing flap be set by?
Should be set by 300ft and asked for by 500ft
What flap to be used for holding?
Zero flaps for holding
What is the Cargo fire extinguisher protection duration for the
B model
WT model
35 minutes with 1 extinguisher
60 minutes with 2 extinguishers
Can you move the aircraft on the ground during AHRS initialisation?
No you cannot
How long after AHRS initialisation is take-off permitted? Any requirements?
Take-off is permitted 2 minutes after initialisation, attitude difference less than 3 degrees and heading is not slewing
MTOW 340B and WT
13605 and 13155
MLW 340B and WT
12930
MZFW 340B and WT
12020
Cabin differential pressure?
Normal
Max
Landing
Negative
7.1psi
7.5psi
0.3psi
-0.5psi
Cabin pressure warning at what psi?
7.5psi
When does the Cabin altitude Cabin press warning activate?
Cabin altitude at 10,000 ft
Voltage of the DC generator? Min
Norm &
Max
27.5
28
29
DC generator Nominal load
400A
DC generator Maximum load for 5 minutes
600A
Main battery voltage
24volts
GPU min and max voltage?
Min 28 and Max 29.5
Battery cart max voltage
29.5
External power Normal ops amperage requirement
600A
External power engine start amperage requirement
Min 1400
Max 1600
Min fuel for take off each tank
135kgs
Max fuel imbalance
90kgs
When does the fuel Low Level light turn on?
135kgs +/- 30kgs
Total usable fuel
2542 @ .079 specific gravity
Windshield heating- Time in NORM before HIGH
7 minutes
Pitot tube- time until full ice protection is obtained once STBY PITOT ON
5 minutes
Windshield wipers operation speeds
LOW
&
HIGH
130 kts
&
160kts
Altimeter accuracy and requirements
Require 3 within+/-60 feet of nominated elevation. One may read 60ft-75ft at departure aerodrome as long as it can be rechecked at next aerodrome
Maximum difference between 2 airspeed indicators?
+/- 8 KIAS
Number of applications on a fully charged brake accumulator
11 applications
Max speed for use of brakes with the anti-skid system inop
40 knots
B model take off power or go-around with APR
TRQ 107 Engine 1396 RPM
ITT 940 degree for 5 minutes and
950 degrees for 2 minutes
B model take off power or go-around - No APR
TRQ 100 Engine 1396 RPM
ITT 917 degree for 5 minutes and
927 degrees for 2 minutes
B Model max continuous power
TRQ 100 Engine 1396 RPM
ITT 944 degrees
B model transient power
TRQ 112 Engine 1572 RPM
ITT 965 degrees
B model transient power
TRQ 112 Engine 1572 RPM
ITT 965 degrees
B model engine start max ITT
965 degrees
Ng limitations for motoring start-
Max Ng for motoring
Min Ng prior to CL to Start
Min Ng in tailwind start
26%
17%
20%
Max ITT for climb and Cruise power
Below FL150
Above FL150
840
875
Memory items-
Hot or hung start
Condition level - Fuel shut off
Ignition - off
Motor to ITT below 175 or 10 seconds
Memory Items-Engine failure at V1
Power level = 20-30%
Condition lever = Fuel shut off
Memory Items- Engine Fire at V1
Power Lever = 20-30 %
Condition lever = Fuel shut off
Fire handle = Pull
Fire Extinguisher = On
after 30 seconds if fire persists, discharge opposite extinguisher
Memory Items- Uncommanded engine operation in flight
Power lever = 20-30&
Condition lever = T/M then SET
Autocoarsen = OFF
Memory Items- Uncommanded engine operation on ground
Shut engine down
Memory Items- Compressor stall
CTOT = OFF
Power lever = 20-30%
Memory Items- Aircon smoke or avionics smoke or fire
Oxygen masks = on and 100%
Goggles = on
comms = establish
Memory Items- Rapid depressurisation
Oxygen = on and 100%
Comms = Establish
transponder = 7700
Seatbelt sign = on
Emergency descent = initiate
Memory Items- Tail pipe hot
Power lever affected side 20-30%
Memory Items- Cargo compartment smoke
Fire extinguisher switch = ON
Memory Items- Hydraulic light
Hydraulic pump = off
Check hydraulic indicators
Speed - under 200kts
Landing gear handle - down
Emergency ldg handle - pull
Memory Items- Hydraulic fluid loss
Hydraulic pump = off
Memory Items- Elevator or Aileron system jammed
AP = Off
Interconnect unit = Overpower
Pitch disconnect handle = Pull
Memory Items- Emergency evacuation
FO Duties
Emerg panel switches = on
Fire handles both = Pull
Fire Extg switches = On
Memory Items- unreliable airspeed
AP= disconnect
Flight path = Stablise
Power setting= maintain attitude and power
