Complete Collection Flashcards
In a twin engined aircraft with both propellers rotating clockwise, failure of which engine will result in the more critical situation?
Left
Feathering stops are designed to
Prevent feathering during an engine shut-down
Blue line on the ASI represents:
Speed for the best rate of climb when asymmetric
If all factors remain the same, and the height increases, what will happen to VMCA?
Decreases.
Increase in PA means less thrust or more correctly less assymetric thrust. The controlling speed reduces as the thrust reduces
Failure of the left engine in a right hand turn will cause the aircraft to
Yaw to the left and initially roll gently to the left
In the event of an engine failure in a twin engine aircraft, how much bank towards the live engine is recommended to achieve Vmca
5 degrees
The loss of performance due to failed engine with the propeller at maximum rpm is most detrimental
If the propeller continues to windmill
The additional yaw which defines the critical engine is caused by
Asymmetric blade effect
Prior to starting engines, the manifold gauge will read
Ambient atmospheric pressure
Using bank towards the live engine will assist directional control. As bank is increased, what happens to the ball?
The ball will move further away from the central position
When the throttle is closed in the flare on asymmetric landing
The aircraft will yaw towards the live engine
When weighing an aircraft for its BEW, includes
Unusable fuel, full engine oil, movable seats in central position
Why are multi engine aircraft fitted with feathering propellers
Feathering stops a propeller windmilling when it has failed, and so reduces drag
When does over-boosting of an engine occur?
When the manifold pressure is set too high for the RPM being used
What will increase the critical speed of an asymmetric aircraft?
Increasing power on the live engine
Due to gear indication fault an aircraft lands with emergency lowering selected, the indications shown are nose and left main green, and the gear unsafe illuminated.
What is the correct action after landing?
Stop the aircraft at the end of the landing run and have the lockdown mechanism inspected before continuing further
How long is an initial MEP class rating valid for?
12 months from the date of issue.
How do you revalidate your multi engine piston class rating
Proficiency check
The aircraft you are flying has a normal carburetor, variable pitch propeller and CSU, the initial symptoms of carburetor ice are
Drop in manifold pressure
Where is the type of oil to be used in the engine is required to be written
- On the oil filler cap or access panel
When starting the engines on a multi engine aircraft, what indications are expected from the dolls eyes on the vacuum gauge
The right dolls eye should go out when the right hand engine is started and vice versa
What colour is VMCA on the Airspeed indicator?
Red radial line
In an asymmetric climb with 5 deg of bank to the live engine, the balance ball should be
Approximately 1/2 ball width towards the live engine
In the multi engine aircraft when crossing a change of surface during taxiing
The crossing should be made at a shallow angle as possible, in order to optimise the propeller clearance
You decide to abandon take off due to a sudden turn to the left developing which you cannot correct using rudder, you should
Close both engines together and apply brakes as required
In most light twins where do CSU’s obtain their oil from
They use the engine gearbox oil supply
If the mass of a loaded aircraft is within limits when do you need to recalculate the CoG
Must be calculated, or a standard load manifest be used
You are flying straight and level when a vibration suddenly begins to run through the aircraft, you should
Increase power on each engine in turn, feel for any change in amplitude of the vibration
Your aircraft is fitted with turbo charged engines, when shutting down the engines after flight they should
Idled at low power for 2-3 min before closing down
What is the recommendation for shutting down an engine for training purposes
Should be done above 3000ft above the surface and within the reach of a suitable Aerodrome
A typical twin engine aircraft climbs at 1000fpm, when climbing single engine it will be
Anything from a Descent to 300fpm climb
On approach to land you find you can only lower the main wheels, the nose wheel is observed to be up. What should you do?
Land on the grass, because the surface is softer
What will happen to VMCA with increasing altitude?
It will decrease
Speeds for VA, VMCA, VNE, VLE
126kts, 68kts, 194kts, 194kts
How is the propeller coarsened?
Spring and counterweights
How is the propeller unfeathered?
Nitrogen and oil accumulator
What is the correct operation of the engine fire detection system?
Pressing and holding in the test button. Hearing a continuously sounding intermittent audio alert, seeing steady red messages in the PFD annunciation window and a flashing ALERTS soft key
Minimum de-ice fluid level for dispatch
22l, three quarters full tank
What is the function of the red BACKUP DISPLAY button on the audio selector panel
Displays on both the PFD and MFD the flight instruments and essential system parameters
Where are the Aviation Database effective dates displayed
On the MFD power up page
What could happen if the interior instrument lights are put on during the day
The gear and flap indicator lights will dim such that they may not be visibility when illuminated
Define icing conditions as per the DA42 Tdi AFM
As an OAT of +3C or below in visible moisture
At what speed does the transponder automatically change from GND to ALT during take off roll
40 kts
What is the duration of the emergency battery for the standby attitude indicator
90 minutes
State the correct method of shutting down, feathering and securing an engine in flight
Identify and verify failed engine, select inoperative engine master switch off, inoperative alternator off, inoperative engine fuel off
To unfeather the propeller the engine master must be set to
- On, to permit the associated accumulator pressure to move the propeller blades into a low pitch position
Select the correct speeds, aircraft mass 1785kg, Vy, Vx, Vyse
79kts, 79kts, 82kts
Select the correct minimum and maximum oil quantity levels
5.0 - 6.0lts
Starter motor limits
Do not operate the starter motor for more than 10 secs, after operating the motor let it cool for 20sec.
After 6 attempts allow 30min cooling
When does the landing gear unsafe light illuminate
The landing gear is neither in the up or down and locked position
The altitude trend vector on the PFD displays the altitude that will be reached at the correct vertical speed in how many seconds
6
In which EU-OPS performance category is the DA42?
B
If the variable elevator backstop pre flight check does not work correctly you should
Not proceed with the flight
In flight cross feeding of both engines simultaneously is
Not permitted
With a failure of the magnetometer the heading indicated on the HSI on the PFD will
Fail
After failure of one engine on a twin engined aircraft, excess thrust
Reduces to less than half
Zero thrust setting on an engine simulates thrust or drag present with
Engine shut down and the propeller feathered
Failure of an engine will result in RPM, manifold pressure and the balance ball
Decreasing, increasing, swing towards the the live engine
Vno
- Maximum structural cruising speed
The rudder is trimmed for balanced flight with similar power and RPM on both engines, if the power setting on the left engine is increased without re-trimming
The aircraft will yaw to the right
Following an engine shutdown, an aircraft is trimmed to continue flight with wings level and the ball centered
The dead engine will lead the live engine along the line of flight
In two engine flight, when recovering from a critical low, but not stalled airspeed situation
The throttles should be opened smoothly to ensure that power is produced evenly on both engines to avoid the possibility of spinning the aircraft
Moving the center of gravity rearwards will result in
A higher Vmc
Feathering stops are designed to
Prevent feathering during an engine shutdown
The term critical engine is used to describe
The engine which when failed will lead to the largest yawing moment for any given set of conditions
If unable to meet the requirements of screen height by 1.25x TORR within the TORA, the take off may still be possible if which conditions can be met
TODR x 1.0 < TORA and TODR x 1.15 < TODA and TODR x 1.3 < ASDA
When increasing power, the order should be
Mixture, propeller, throttle
What effect does a CSU have on engine RPM
Maintains RPM between limiting stops
An aircraft manufacturer plans six seats in a twin piston engine aircraft, therefore
A full mass and balance calculation must be carried out before loading, to ensure that the aircraft is within both weight and cog limits
An asymmetric aircraft is at its most critical at
High power and low airspeed
You have suffered an engine fire, correctly dealt with it and shut down the engine, the fire has gone out, action
Land at nearest suitable airport
How do you operate propeller ant ice mats
Turn them on before entering visible moisture when the temperature is +3C or below
Alternate air in a fuel injected engine is
An alternate source of induction air
Pre flight checks of an aircraft fitted with a variable pitch propeller and CSU should
Include a check of the feathering action and exercise the CSU
Define VLO
Maximum landing gear operation speed
VMC
Is the minimum single engine control speed
When should you calculate the performance when you are flying out of an airfield with an elevation of 13000ft on a hot day
Always
You close the throttle at the end of an approach and hear a warning horn, you should
Smoothly apply full power, prevent further height loss and go around, landing gear up
Your aircraft is fitted with de-icing boots along the leading edges of the wings and the tail. When should you operate the de-icing boots
Wait until you can see an ice build up of approximately 1/4-1/2 inch
Your aircraft has variable pitch propellers with CSUs. after take off climb power you hear a propeller beat, you should
Ease back or forward on a propeller control lever until the beats slows down and then disappears
What is the advantage of a multi-engine aircraft with contra-rotating engines?
- Has no critical engine
The oleo extension of the nose wheel on the ground was designed to be 6 inches, but when the aircraft is correctly loaded it is found to be 2 inches. What has happened?
Nitrogen/air pressure is insufficient
Which aircraft controls are connected by control rods?
Ailerons, elevator, flaps
Which aircraft controls re connected by cable?
Rudder and trim
The cabin heating and ventilation is supplied as follows
RH engine for seats and floor, LH engine for canopy. Fresh air from underside right wing
How does the anti-ice system manage its operations?
System pumps 1 and 2 operate alternately. Each cycling 30 seconds “on” and 90 seconds “off”
Why is the emergency battery for the standby Attitude Indicator wire-locked?
To indicate that is has not been used since last checked
What limitations apply to the engine after start?
RPM must remain at idle for 2 minutes and then a maximum of 1400 RPM until the oil temperature is in the green range
How is the PFD auto ident function for the NAV radios displayed?
Three letter identification shown in green to the right of the active frequency
Can the volume of the DME ident be adusted?
No.
During engine trouble shooting drill following loss of power of an engine, the engine power was restored by selecting ECU B. Which course of action should you take?
Land as soon as possible
When is the fire detection system warning reset?
The engine compartment temperature reduces below a set of temperature of 250C
The flaps fail to lower from approach to landing. What is the correct minimum KIAS for the approach?
82kts
How to use CWS
- Press CWS button and move a/c nose to desired vertical speed and release CWS button
Maximum fuel imbalance
5USG
How is the PFD ident function for the NAV radios displayed as ON?
White ID letters to the left of the active frequency
Minimum RPM to achieve feathering
1300rpm
Maximum permitted propeller overspeed limit
2500rpm
Maximum operating altitude
FL180
Which bus bars are powered with the electric master switch on before engine start?
All bus bars except the avionics bus.
When reducing power below 25% in flight you notice an increase in RPM, you should:
Take no action the engines are functioning normally
Manifold pressure is normally varied in flight using which lever?
Throttle
In the event of an engine failure of one engine on a piston twin above its single engine ceiling, the correct action is to
Drift down to an altitude at or below the aircraft’s single engine ceiling
After an engine failure, roll towards the failed engine is due to
The secondary effect of yaw and loss of lift from the wing
Following an engine failure it is important to select the propeller lever to feather before the RPM drops below approximately 1000RPM
To prevent the feather stops activating
To comply with EU-OPS take-off requirements for Performance Class B from a runway with no stopway or clear way
The TODR x 1.25 must be less than or equal to TORA
What effect does a wet runway have on take off and landing performance
No effect for take off and 15% increase in LDR for landing
When decreasing power, the order should be
Throttle, power, mixture
Why do we run turbo charged engines at the ground idle for 2-3 minutes before shutting them down?
Avoids thermal shock.
To ensure that as the turbine slows it is cooled with the engines ram cooling air.
Engine failure is experienced in the initial climb. Blue line speed is giving a descent of 30fpm, what is the correct action to take?
Maintain blue line speed, accept the Descent and if necessary forced land or ditch
You are in the cruise at FL90, the aircraft yaws without warning, you suspect an engine failure. Do you?
Complete cause of failure check list and if you can cure the problem, do so. If you can’t, shut the engine down
If on engine-driven vacuum pump fails, the effect will be
Minimal, the surviving pump can supply all the required systems, with only a momentary drop in suction if the de-ice boots are operated.
Why should you crossfeed fuel
To keep the fuel laterally in balance and to give access to the failed engines fuel supply following an engine shutdown
How long is differences training valid?
24 months from completion
When is the beta range of a propeller used?
When the reverse thrust is employed
On the walk around, in moderate rain, you notice the nose wheel tyre appears slightly flat, what effect will this have on the take off run?
Increase the takeoff distance required
What are the engine oil quantities, and consumption figures?
5-6lts, 0.1l per hour.
Figures for minimum TOM, MTOM, MZFM and MLM
1250kg, 1785 kg, 1650 kg, 1700kg
The elevator backstop operates under which of the conditions
Both engines exceed 20% power and the flap setting is LAND
Describe the Thielert Engines
4 cylinders, in line, liquid cooled, turbo charged, common rail direct injection diesel engines
Describe the fuel tank arrangement
- 3 aluminum tanks in each wing, 25 usg usable fuel, 2 capacitance type probes in each wing
The maximum usable de-ice capacity
30 litres
What does a WARNING annunciation displayed on the PFD indicate
That immediate attention is required
What color is used to display the active comm frequency?
Green
Following a PFD failure, the PFD will auto-revert to the MFD screen and both comm 1 windows will show a Red Cross. Under these circumstances
Both pilots will be able to transmit and receive on comm 2
When operating under asymmetric power, the AFM limits banking to
60 degrees
How is a failure of the attitude indicator on the PFD displayed
Red X cross across the indicator and a fail caption
How is the MFD reset to the default Navigation Map Page from any other page
Press and hold CLR key
Loss of VOR reception is shown to the pilot on the CDI by
The CDI bar disappearing from the HSI
What is the procedure for balancing fuel
Fuel lever of side with lower fuel content selected to cross feed
Select the correct combination limiting speeds for gear and flap selection
Vlor 156kts Vfe ldg 111kts
The fuel calculated indicated on the MFD, after selecting FUEL, indicates
Indicate a value derived from the last fuel quantity set by the pilot and computed fuel flow data
The nominated aircraft grounding point for the earth on the aircraft is
Metal section if the a/c steps
You are performing an ILS approach, what additional heights increments are added to the published decision altitude for pressure error correction?
0ft
To convert US gallons to kilos, multiply by
3.03
The maximum fuel unbalance is
5 usg
When should the emergency switch be tested
The switch should not be tested by the flight crew
In an emergency gear extension which of the following is true
The gear free falls and three greens will indicate that the gear is down
Wingspan
13.42m
Maximum ramp mass
1793kg
What is the maximum elevator deflection with and without the elevator backstop active?
15.5deg, 13deg
State the 3 flap position angles
Cruise (up) 0deg
Approach (app) 20deg
Landing (ldg) 42deg
If both alternators fail, what is the endurance of the battery supply for the ECU’s?
30 minutes
Minimum radius of turn on the ground
6m
Maximum nose wheel deflection
52 degrees
Maximum nose wheel deflection by rudder pedals
30 degrees
