What Do You Know About Aircraft Maintenance? This trivia quiz has the Hardest Questions that only a qualified and experienced member of the aircraft maintenance team can tackle. Do you think that you have what it take to get the high score, do give the quiz a try and get to refresh your understanding on some topics? All the best!
The airplane is in flight with the landing gear extended.
The airplane is on the ground.
Anytime the airplane is in flight.
When the Ram Door is fully open.
Both b and d are correct.
BLEED TRIP OFF.
PACK
ZONE TEMP.
All of the above.
7.80 psi.
9.10 psi.
8.35 psi.
7.45 psi.
Allows for increased ventilation in the smoke removal configuration.
Serves as backup to the outflow valve if the outflow valve fails.
Is normally open during pressurized flight above 8000 feet.
All the above.
True
False
Approximately 8000 feet.
Slightly less than FL 220.
Approximately 6000 feet.
Cannot be determined by this placard.
The pressure controller is unable to maintain pressurization.
The airplane has descended before reaching the preset cruise altitude set in the FLT ALT indicator.
The pressurization controller has failed and will automatically shift to ALT mode.
All of the above.
Prior to 400 feet above the ground.
After passing through 2000 feet above the ground
At not less than 400 feet, and prior to 2000 first above field elevation.
After the No. 1 engine bleed switch is positioned to ON.
The Right Pack.
The Left Pack.
Both packs.
Ground Air Cart.
Air conditioning/Pressurization, Wing anti-ice, Fuel tanks
Wing Anti-ice, APU, engine starting.
APU, engine starting, Air conditioning/Pressurization.
Engine starting, Air conditioning/Pressurization, Wing and engine thermal anti-ice, Hydraulic reservoirs and water tank pressurization.
Modulating and Shutoff valve.
Related Engine Bleed Air valve.
Isolation valve.
All of the above are correct.
It is ducted into the pneumatic manifold.
It is ducted into the crossbleed manifold.
It is discharged overboard.
It is ducted into the 5th stage compressor.
When the APU bleed valve is open and the No.1 engine bleed valve is closed.
When the APU bleed valve is open and the No.1 engine bleed switch is ON.
When the APU bleed valve is open, the No. 2 engine bleed switch is on and the isolation valve is open.
Both b and c are correct.
The isolation valve is always open.
The isolation valve is always closed.
The isolation valve automatically modulates between open and closed, depending on pneumatic load.
Open when any Engine Bleed Air Switch or Air Conditioning Pack Switch is positioned OFF.
The amber WING-BODY OVHT lights illuminate.
The amber PACK TRIP OFF lights illuminate.
The amber BLEED TRIP OFF lights illuminate.
All of the above are correct.
They are AC activated and pneumatically operated.
They are DC activated and pneumatically operated
They are pressure activated and AC operated.
They are pressure activated and DC operated.
True
False
Reduce pack demand.
Help maintain a constant cabin pressure.
Control zone temperature.
Control pack temperature.
True
False
The closing of the associated Trim Air Modulating Valve.
The illumination of the associated amber ZONE TEMP Light.
Both the closing of the associated Trim Air Modulating Valve and the illumination of the associated ZONE TEMP Light.
The opening of the associated Trim Air Modulating Valve after the TRIP RESET Switch is pushed.
True
False
True
False
Are driven by DC motors.
Increase airflow at greater cabin differential pressures.
Reduce air conditioning pack load.
Provide overheat detection downstream of the packs.
A pack trip off.
Failure of both primary and standby pack control for the same pack.
Turning OFF an engine bleed switch.
Both a and b are correct.
True
False
“T” below the outboard display unit is visible.
Sight along the upper surface of the glareshield with a small amount of the airplane nose structure visible.
An unobstructed view of the displays presented on the bottom of the CDS display.
All of the above.
OFF position prevents emergency light system operation if airplane electrical power fails or is turned off.
Armed position illuminates all emergency lights if AC bus NO. 1 fails.
ON position illuminates only emergency lights in cockpit.
ON position illuminates only flight deck emergency lights.
Release the masks from their stowage boxes.
Activate oxygen and microphone when the stowage box door closes.
Inflate the mask harness when the left lever is squeezed.
Activate oxygen flow momentarily to test regulator.
From an exterior panel of the aft right side of the airplane.
Requires DC power.
Gravity feed from external sources.
From an exterior panel of the aft left side of the airplane.
At the oxygen cylinder.
At the flight crew oxygen shutoff valve.
On the flight crew oxygen pressure indicator on the aft overhead panel.
Behind the Captain’s seat on the P-l8 panel.
10,000 feet.
12,500 feet.
14,000 feet.
17,000 feet.
Passenger oxygen system pressure is low.
Passenger oxygen quantity is low.
Passenger oxygen system is activated.
OVERHEAD annunciator extinguishes on the Master Caution system.
On the lower inboard corner of the stowage bins.
Over the entry/ service and overwing emergency hatches.
In the ceiling.
All of the above.
Activates the emergency light system with APU generator power only.
Illuminates all emergency lights, all the time.
Illuminates all interior and exterior emergency lights if there is a loss of electrical power on DC bus No. 1, or if AC power has been turned off.
Can be reset by going from ON to armed.
Supplies 100% oxygen under positive pressure at all cabin altitudes.
Test positive pressure supply to the regulator.
Provides a mixture of ambient air with oxygen on demand.
Supplies 100% oxygen only at high altitudes.
A permanent rain repellent coating on tile windshields and wipers.
A bottled solution located behind the Captain's seat.
Rain repellent switches located on the forward overhead panel.
All of the above.
An overpressure condition.
An overtemperature or overpressure condition.
The related cowl anti-ice valve is open.
The cowl anti-ice valve position disagrees with the respective engine anti-ice switch position.
If amber; an over temperature condition exists in the duct downstream of the engine cowl anti-ice valve.
If green; the cowl anti-ice valve is closed and tile related engine anti-ice switch is OFF.
If green; the cowl anti-ice valve(s) is open.
All of the above.
True
False
When cleared onto the runway.
During taxi out.
After takeoff.
After engine start procedure.
L2, L3, L4, L5.
L1, L2, L3.
L1, L2, L3, L4, L5.
L1 only.
On the ground when icing conditions exist or anticipated.
As a de-icer or anti- icer in flight.
Inflight, prior to ice accumulation.
All the above are correct.
True
False
The right elevator pitot probe is blocked.
Malfunction in the pilot probe system.
The right elevator pilot probe is not heated.
Both a and b are correct.
Each wiper is operated by a separate control.
Windshield wipers are hydraulically operated and electrically controlled.
Windshield wipers may be operated on a dry windshield.
None of the above.
By actuating the LEFT or RIGHT FWD window heat switch.
Whenever wing anti-ice is being used.
Whenever the alternate static ports are heated.
By actuating the A or B PROBE HEAT switches.
Elevator pilot probes.
Static ports.
Captain's pitot probe.
First Officer's pitot probe.
250 KIAS.
280 KIAS.
250 KIAS below 10,000 feet.
280 KIAS below 10,000 feet.
Must be tested before each flight.
Test the window L1 and R1 only.
Verifies operation of the window heat system.
Can be used if all green window heat lights on.
400 feet Radio Altitude.
800 feet Radio Altitude
400 feet Radio Altitude and 18 seconds after lift-off.
800 feet Radio Altitude and 18 seconds after lift-off.
The A/T is OFF and the AFDS is in ALT HOLD.
After G/S capture.
AFDS is in V/S mode.
Both a and b are correct.
True
False
5 degrees or less.
6 degrees or less.
10 degrees or less.
15 degrees or less.
The autopilots flight director system.
Control Display Unit (CDU)
The autothrottle (A/T)
Both a and c.
A/T computer.
AFDS.
FMC.
ADIRUs.
True
False
True
False
True
False
VNAV
VOR/LOC.
APP.
LNAV.
The autopilot disengages.
The A/T (if armed) engages in GA mode.
The A/T (if armed) advances thrust levers to reduced go-around N1.
All the above are correct.
CWS P.
MCP SPD.
VNAV.
V/S
Yes
No
True
False
The CDU.
The MCP.
The A/T computer
Both a and c.
MCP.
FMC.
FCC
GPWS
The autopilot engages in LNAV.
LNAV disengages.
The autopilot changes to CWS P.
LEVEL CHANGE annunciates.
GA and ARM.
N1 and ARM.
THR HLD and ARM.
Only THR HLD.
True
False
300 feet.
200 feet.
150 feet.
50 feet.
Selecting a different pitch mode.
G/S capture.
Reaching the end of an LNAV route.
All of the above are correct.
2000 feet RA.
1500 feet RA.
800 feet RA.
500 feet RA.
True
False
True
False
The autothrottle can move the thrust levers separately
The autothrottle can be manually overridden.
The autothrottle will reduce thrust toward idle at 27 feet RA.
All of the above are correct.
HDG SEL mode is engaged.
Upon VOR or localizer capture.
Reaching a route discontinuity.
All of the above are correct.
Is active anytime 115 AC power is applied to the airplane.
Is powered by the hot battery bus.
Is integrated with the flight deck overhead speakers.
Both a and c are correct.
Integral components of the Flight Mode Alerting System.
Audible through the audio control panel in the degraded mode.
Not heard on an audio system operating in the degraded mode.
Both b and c are correct.
Has an I/C (intercom) position, this position keys the oxygen mask or boom microphones for transmission via the transmitter selector
Has an R/T position; this position keys the oxygen mask or boom microphone for transmission as selected by transmitter selector.
Has an I/C position, this position keys the oxygen mask or boom microphone for direct transmission over the flight interphone utilizing the transmitter selector.
Has two positions for Intercom and Radio-Telephone.
Four independent channels to record flight deck audio for 90 minutes.
Two independent channels for flight deck audio for 120 minutes.
Four independent channels to record flight deck audio for 120 minutes
Recordings older than 120 minutes require manual erase via maintenance personnel.
Captain/VHF-l, F.O./VHF-2, Observer/VHF-2.
Captain/VHF-2, F.O./VHF-1, Observer/VHF-1.
Captain /VHF-1, F.O./VHF-l, Observer/VHF-1.
Captain/VHF-1, F.O./VHF-2, Observer/VHF-1.
Are three-phase, 115 volt, 400 cycle direct current.
Adjust varying generator speeds throughout normal range of operation.
Allow the generator to maintain a constant speed throughout the normal operating range of the engine.
Have an integral electro-mechanical disconnect device that does not provide complete mechanical isolation of the IDG.
Supply power to the 115V AC main busses.
Can not be powered by both external power and APU power at the same time.
Can be paralleling sources of power.
Both a and b are correct.
True
False
A TRANSFER BUS OFF Light and a GEN OFF BUS Light illuminate.
SOURCE OFF, GEN OFF BUS Lights illuminate, and TRANSFER BUS OFF Lights extinguished.
Illumination of the fuel pump, probe heat, hydraulic pump light.
Both b and c are correct.
An engine driven generator drops off line.
The bus transfer switch is positioned to OFF.
At glide slope capture, during a F/D or autopilot ILS approach.
Both b and c are correct.
Only in flight
Only on the ground.
Both in the air and on the ground
None of the above.
True
False
The battery is being overcharged.
Excessive battery discharge is detected with the battery switch ON.
Discharging when the DC meter is in the BAT position with the battery switch on.
The battery bus is not powered.
Any TR unit fails.
TR1 fails.
TR2 and TR3 fails.
Both b and c are correct.
A fault exists in the AC or standby power system.
A fault exists in the DC or standby power system.
A fault exists in the AC, DC or the standby power system.
A fault exists in the AC power system only.
IDG failure.
IDG disconnected through generator drive DISCONNECT switch
IDG automatic disconnect due to high oil temperature.
All of the above are correct.
External ground power is connected and meets airplane power quality standards.
External ground power is connected; however, no airplane power quality is assured.
External ground power is connected; however, only AC power quality is assured.
External ground power is connected and ground service bus is automatically powered.
No source has been manually selected to power the related transfer bus.
The manually selected source has been disconnected.
Both transfer busses are being powered if a source has been selected to power the opposite transfer bus.
All of the above are correct.
The related main bus is not powered.
The related transfer bus is not powered.
The IDG is not supplying power to the related transfer bus.
The APU is running and not powering a bus.
Cause AC transfer bus 1 to lose power.
Cause AC transfer bus 2 to lose poster.
Cause both AC transfer busses to lose power.
Not cause either AC transfer bus to lose power.
The AC standby bus.
The DC standby bus.
The battery bus.
All or any combination of the above.
A single IDG on the ground or in flight.
The APU generator while on the ground or in flight.
The APU and external power.
Both a and b are correct.
One transfer bus will disconnect automatically after lift-off
If the APU is either shut down or fails, the engine generators are automatically connected to their related transfer busses.
The generators will NOT automatically come on line if the APU is either shut down or fails.
Both transfer busses will automatically disconnect after lift-off.
Not powered.
Powered by TR #3.
Powered by the Hot Battery Bus.
Powered by the Battery.
Removes previously connected power from DC transfer buses.
Connects ground power to AC Main busses if power quality is correct.
Disconnect ground power from AC transfer busses.
Connects ground power to AC transfer busses if power quality is correct.
All generator bus sources can be automatically connected by the Standby Power System.
There is no paralleling of the AC power sources.
There is no paralleling of any power source.
An AC power source may be used in parallel with a DC power source.
At localizer capture.
At glide slope capture during a flight director or autopilot ILS approach.
When TR 1 and TR 2 fail.
When AC volts meter reaches 26 volts (plus or minus 4 volts).
The STANDBY PWR OFF light will be illuminated.
AC standby bus, static inverter, and DC standby bus are powered.
AC standby bus is powered by battery through static inverter.
The static inverter provides 28 volt DC power to transfer bus 1.
The 115 volt AC Transfer Bus No. l under normal conditions.
The battery bus through the static inverter under normal conditions.
The battery through the static inverter with a failure of both engine driven and APU generators.
Both a and c are correct.
Prevent a single bus failure from affecting both navigation receivers and flight control computers.
Provide more power to the AC Standby Bus.
Ensure that the Standby DC bus is powered.
Isolate DC bus 1 from AC bus 2.
Acceptable, no action is necessary.
Normal, but requires continuous monitoring of the oil temperature.
Permitted only for completion of the flight, preferably at reduced thrust setting.
DO NOT TAKEOFF.
T/O thrust position.
Continuous thrust position.
Idle thrust position.
Any forward thrust position.
ON.
AUTO.
OFF.
HIGH.
The fuel LOW PRESSURE lights extinguish with Nl RPM at 56%.
The ENGINE START switch returns to AUTO at 56% N2 and the START VALVE\OPEN alert extinguishes.
The ENGINE START switch returns to OFF at 36%.
Start switch rotates to FLT, N l 17-20% and N2 rpm stabilized.
Limit engine thrust to idle while the light is illuminated.
Place the APU BLEED AIR switch to OFF.
Pull the engine fire handles,
Both a and b are correct.
System A.
System B.
System A or engine No.1 and system B or engine No. 2.
Standby system
During cruise when the thrust lever is at idle.
When either radio altimeter senses less than 10 feet altitude.
When the air/ground safety sensor is in the ground mode.
Both b and c are correct.
LOW OIL PRESSURE
MAINT
FAULT
OVERSPEED
Whenever the APU is powering AC transfer bus 1.
Whenever the APU is powering AC transfer bus 2
Whenever the APU is supplying power to the AC transfer bus with the BTB Open.
When the APU is running and is not powering a bus.
The battery switch is placed to OFF.
The MAINT light illuminates.
The fuel LOW PRESSURE lights in the right main tank illuminate.
Immediately after moving the APU switch to OFF.
10,000 feet.
17,000 feet.
25,000 feet.
30,000 feet.
10,000 feet.
17,000 feet.
25,000 feet.
35,000 feet.
True
False
True
False
Fuel flow and oil pressure.
Oil temperature and engine vibration.
Oil quantity and engine vibration.
Oil temperature, pressure, and quantity indications.
Only oil quantity and engine vibration are available prior to placing the engine start switch to GND.
Only N1, N2, oil quantity and engine vibration are available prior to placing the engine start switch to GND.
The EEC is not powered until the engine accelerates to a speed greater than 15% N2.
Only digital readouts are visible for engine indications.
True
False
N1 only, in both the normal and alternate mode.
N2 only, in both the normal and alternate modes.
N1 and N2 in the normal mode only.
N1 and N2 in both the normal and alternate modes.
True
False
The airplane descends below 15,000 feet MSL.
Flaps are in the landing configuration or engine start switches are placed to CONT or FLT.
Flaps are in the landing configuration and thrust lever angle is above 34 degrees for either engine.
Flaps are in the landing configuration or engine anti-ice is ON for either engine.
25% N2.
46% N2.
Approximately 50% N1
Approximately 56% N2.
17,000 feet.
35,000 feet.
37,000 feet.
41,000 feet.
On the ground only.
In the air only.
On the ground or in the air.
Never.
On the ground only.
In the air only.
On the ground and in the air.
Never.
Enters through the air inlet door.
Enters through the ram air system.
Enters through a cooling air inlet above the APU exhaust outlet.
Is supplied by the air conditioning packs.
The battery bus or the DC ground power receptacle.
Battery power or either AC transfer bus.
Either the AC or DC Standby Bus.
The AC transfer bus 1 if available. If AC power is not available, battery power is used
True
False
90 seconds.
120 seconds.
135 seconds.
60 seconds.
The FAULT' light illuminates.
The MAINT light illuminates.
The APU failed a self test and the OVERSPEED light will illuminate.
There is no light associated with this malfunction.
30 seconds
60 seconds.
120 seconds.
135 seconds
Automatic shutdown protection for overspeed conditions, low oil pressure, and high oil temperature.
Automatic shutdown protection for APU fire, fuel control unit failure, and EGT exceedance.
Automatic control of APU speed through the electronic fuel unit.
All of the above are correct.
In flight, the galley busses are automatically shed.
In flight, the APU attempts to carry the full electrical load.
On the ground, the galley busses are automatically shed.
On the ground, the main busses are shed first if an overload condition is sensed.
15 seconds after the start valve opens during ground starts.
15 seconds after the start lever is moved to idle during ground starts.
10 seconds on the ground or 30 seconds in flight after the start lever is moved to idle
No automatic shutdown is provided for a wet start.
Closes both the engine fuel shutoff valve and the spar fuel shutoff valve.
Closes both the engine fuel shutoff valve and the spar fuel shutoff valve only if the battery switch is ON.
Closes the hydraulic fluid shutoff valve and disables the thrust reverser for the related engine.
Both a and c.
The Fire bell.
A Red ENG OVERHEAT Light illuminates.
OVERHEAT annunciator light.
Both a and c are correct
True
False
True
False
The engine overheat detectors.
The fault detection circuits for both engines and the APU.
The APU DET INOP light, FAULT light and APU BOTTLE DISCHARGE light.
The APU DET INOP light and engine overheat detectors.
True
False
Discharges the APU fire extinguisher.
Trips the generator control relay, and generator breaker, arms the associated extinguisher and closes the bleed air valve.
Closes the fuel shutoff valve and the APU inlet door and allows APU FIRE WARNING Switch to rotate.
Both b and c are correct.
Transfer Bus 1.
The switched battery bus.
The hot battery bus.
None of the above
Two
Three
Four
Six
For lighter than normal forces to be used on the control column for takeoff or landing.
The control columns to be physically separated.
Applying force against the jam will breakout only the Captain's control column.
The elevator feel and centering unit to transfer proper aerodynamic forces to the control columns.
True
False
5 seconds after takeoff.
Ten seconds after release of trim switches.
100 KIAS - Mach 0.68
N1 above 50%.
Main yaw damper functions are available as long as hydraulic system A is providing normal pressure and the yaw damper switch is ON.
Standby yaw damper functions are available as long as hydraulic system A is providing normal pressure and the yaw damper switch is ON.
Main and standby yaw damper functions are inoperative.
Standby yaw damper functions are available if the FLT CONTROL B switch is placed to STBY RUD and the YAW DAMPER switch is reset to ON.
True
False
Only when the yaw damper switch is OFF.
By trim inputs but not rudder pedal inputs
By rudder pedal inputs but not trim inputs.
By either trim or rudder pedal inputs.
Two.
Three.
Four.
Six.
Only when the right main landing gear strut is compressed.
When the air/ground system senses the ground mode (any strut compresses).
When the ground spoilers deploy.
Flight spoilers do not deploy on landing, only ground spoilers deploy.
2
3
4
6
True
False
All flap settings.
Flaps 15, 30, and 40.
Flaps 30 and 40.
Flaps 40 only.
LE skew detection for slats 2 through 7 except during autoslat operation.
TE asymmetry protection.
Uncommanded motion protection for LE devices or TE flaps.
All of the above are correct.
All amber TRANSIT lights illuminated.
All LE devices FULL EXT lights illuminated.
All LE devices EXT lights illuminated.
LE slats EXT lights and LE flaps FULL EXT lights illuminated.
ARMED
FLIGHT DETENT.
UP.
Any intermediate position.
10,000 feet
17,000 feet.
20,000 feet.
23,000 feet.
Fully extends the LE devices using standby hydraulic pressure, and electrically extends the TE flaps.
Closes the Flight Spoiler Shutoff valve.
Activates the standby hydraulic pump and pressurizes the standby rudder Power Control Unit.
Arms the ALTERNATE FLAPS position switch, activates the standby hydraulic pump, and closes the Trailing Edge Flaps Bypass valve.
True
False
Indicates all LE devices are fully extended.
Indicates LE slats are fully extended.
Is inhibited during autoslat operation in flight.
Provides TE flaps asymmetry protection.
Provides for slat deployment above Vmo/ Mmo.
Drives the slats to the full extended position when the TE Flaps 1 through 5 are selected and the airplane approaches a stall.
Is normally powered by hydraulic system A.
Is normally powered by Power Transfer Unit (PTU).
A loss of hydraulic system A pressure is sensed.
The hydraulic system A engine driven pump is inoperative.
The Alternate Flaps position switch is momentarily held down.
Pressure from the hydraulic system B engine driven pump drops below limits.
System A standby rudder Power Control Unit.
System B standby rudder Power Control Unit.
Standby rudder Power Control Unit.
Main rudder Power Control Unit.
Altitude and elevator position.
Elevator balance tabs position.
Only system A hydraulic pressure.
Airspeed and stabilizer position.
Excessive differential pressure exists in the elevator feel computer.
Flaps are not up and a hydraulic pressure imbalance is detected or one of the elevator feel pilot systems fails.
Flaps are up or down and a hydraulic pressure imbalance is detected or if one of the elevator pitot systems fails.
No correct answer is provided.
The primary flight controls are powered by hydraulic systems A and B, with backup from the standby hydraulic system for the rudder and manual reversion for the ailerons and elevator.
Flight spoilers are used both for roll control, descent and deceleration.
The trailing edge flaps can be both extended and retracted using the alternate flap drive system.
All statements are correct.
True
False
Automatically when the approach is selected.
Independently by each pilot using his EFIS control panel.
By entering the desired DH on the FMC CDU APPROACH REFERENCE page.
By using the DH selector knob on the forward instrument panel.
The altimeter is receiving inputs from a source other than the ADIRU and should be considered unreliable unless verified by another source.
A single DEU has been manually or automatically selected to drive all six display units.
A non-dispatchable CDS fault has occurred.
A single EFIS control panel has been manually or automatically selected as the source for all six display units.
Control of the Captain's and First Officer's display switches to a single EFIS control panel.
Both pilot's displays are using the No. 2 symbol generator.
DEU 2 controls all six display units.
ADIRU inputs for both the L and R ADIRU are being received from the First Officer's pilot probe.
The flight recorder operates anytime electrical power is available.
The flight recorder operates when electrical power is available and either engine is operating.
The flight recorder operates whenever the Battery switch is ON.
Both a and b are correct.
The airplane stalls.
The airplane will experience initial stall buffet.
Stick shaker activation for existing flight conditions.
The stick nudger pushes the control column forward.
True
False
A prediction of the airplane's position at the end of 30, 60, and 90 second intervals.
A presentation of the airplane's pitch attitude.
An indication of the airplane's true airspeed.
All of the above.
Displayed if wind magnitude is greater than 6 knots.
Blanked if wind speed becomes less than 5 knots.
Displayed in only the EHSI MAP mode.
Displayed only when flying an ILS approach.
Both the Captain's inboard and outboard displays are functional.
The Captain's inboard and First Officer's outboard displays are functional.
Only the Captain's outboard display functions.
Only DEU No. 2 is powered until the battery is discharged.
The airplane has exceeded 40 degrees of bank.
No F/D or autopilot roll mode has been engaged.
The Captain's roll attitude is more than 3 degrees in error.
The Captain's and First Officer's roll angle display differ by more than 5 degrees.
The autopilot has defaulted to CWS pitch.
Glide slope is not being tracked.
The Captain's and First Officer's pitch angle displays differ by more than 5 degrees.
The First Officer's pitch display is more than 3 degrees in error.
Radio altitude data is unreliable.
The airplane has descended below the selected minimum altitude.
A windshear has been encountered.
The airplane has descended below 1000 feet.
70 degrees 15'N to 70 degrees 15'S
73 degrees N to 60 degrees S.
82 degrees N to 82 degrees S.
78 degrees 25'N to 78 degrees 25'S.
Above 78 degrees 15'N or below 78 degrees 15'S.
Above 73 degrees N or below 60 degrees S.
Above 82 degrees N or below 82 degrees S.
The airplane is certified for operations at all altitudes.
VNAV disengages and VNAV operation is not possible.
The scratchpad message "USING RSV FUEL" may be displayed.
The pilot is responsible for periodic entry of fuel weight in order to keep gross weight value current.
Both b and c are correct.
Engage if the airplane is within 3 nm of the LNAV course, regardless of heading
Arm if the airplane is on an intercept heading of 90 degrees or more regardless of distance from the LNAV course.
Engage if the airplane is on an intercept heading of 90 degrees or less and the intercept will occur before the active waypoint.
Both a and c are correct.
10/30/45.
10304.
10/30.5.
103045Z.
Execution of the ENGINE OUT page disengages VNAV and all subsequent performance predictions are blanked.
Execution of the ENGINE OUT page disengages VNAV and all performance data must be reentered before VNAV can be reengaged.
The MOD ENGINE OUT CRZ page is information only. The execute light does not illuminate.
VNAV immediately disengages and cannot be reengaged.
FMC calculated speed and altitude data for each waypoint.
Manually entered speed and altitude restrictions for each waypoint.
ETA and forecast wind data for cruising points.
All of the above are correct.
True
False
Rotate the MSU switch from OFF to ALIGN.
Alignment time will vary from 5 minutes to seventeen minutes depending on airplane latitude.
The alignment process begins when the ON DC light illuminates and the ALIGN light extinguishes.
Airplane present position is not a required entry.
Should not exceed actual navigation performance.
With RNP exceeded, the message FMC appeals on the scratch pad.
Is shown on the POS SHIFT page 3/3 only.
Is used for takeoff, enroute, oceanic, terminal, and approach phases of flight.
Provides a DES NOW display in ACT or MOD mode.
Execution allows early initiation of a SPD descent at 1000 FPM until intercepting the computed path.
Execution allows early initiation of a SPD descent at the specified speed (ECON or manual).
Arms the DES NOW function and extinguishes the EXEC light
A significant difference between previous and entered position.
An unreasonable present position.
A related IRS operating in the ALIGN mode.
Both a and b are correct.
Displays 10,000 feet at FMC power up.
Changes after selecting a departure procedure with a different altitude.
Cannot be manually changed by the crew to a new altitude.
Is automatically entered when the TRIP/CRZ altitude is entered in the FMC
A valid fuel entry is xxx.xx.
Airplane zero fuel weight is not a required entry.
When FMC is not receiving the required fuel data, displayed dashes and manual fuel weight entry is not possible.
Normally the ZFW is entered from the airplane dispatch papers and the FMC calculates the airplane gross weight.
Nothing. This is a normal indication once both IRS's have entered the NAV mode.
Re-enter PPOS LAT/LONG into the FMC.
The alignment was not performed Cycle the IRS's to OFF and start a new alignment, then re-enter PPOS LAT/LONG.
Return to ALIGN, then NAV, and enter the PPOS LAT/LONG into the left or right IRS unit.
True
False
GROSS WEIGHT
COST INDEX
ORIGIN
RESERVES
The route is MODem and up-to-date.
A modification is made to the active route or performance mode.
The destination is MODESTO IAP.
MOD is the name of the company route goes between BFI and MWH.
True
False
True
False
Airways and company routes which do contain the VIA waypoint of the previous line.
Airways and company routes that are in the navigation database.
Airways or company routes that are in their performance database.
Airways or company routes which do not contain the TO waypoint of the previous line.
True
False
True
False
True
False
Wing tank fuel only.
Center tank fuel only.
Total fuel quantity remaining direct Born the feel summation unit.
Total feel used since engine start, based on fuel inputs to the FMC.
Adding new waypoints.
Removing existing waypoints.
Resequencing existing waypoints.
All of the above are correct.
Identify waypoint fixes for display on the navigation display.
Copy fix information into the route, if desired.
Allow page access via the INFO key.
Both a and b are correct.
True
False
CRZ.
PROG.
CLB.
PERF.
Entering a higher CRZ ALT on line 1L of the CRZ page.
Pressing the CLB Mode Key during cruise.
Entering a higher cruising altitude in the STEP TO line on the CRZ page.
All of the above are correct.
Is line selected to the scratch pad on the Cruise page and transferred to the N1 LIMIT page for activation and execution.
Is executed on the Cruise page.
Displays proper N1 for turbulence penetration. Value is for reference only. It not commanded to the autothrottle.
Is the minimum speed commanded by tile autothrottle during all flight conditions to ensure safe penetration when it is encountered.
True
False
True
False
Beginning of a flight plan waypoint
Discontinuity.
PPOS holding pattern.
Course change greater than 90 degrees.
RTE LEGS, PROGRESS, CRZ, and INTC CRS.
FMC NAV, PROGRESS, CRZ.
RTE LEGS, PROGRESS and CRZ.
NAV STATUS, PROGRESS, and RTE LEGS.
True
False
True
False
Current conditions result in a maneuver margin less than specified.
Clear air turbulence has been detected in the immediate flight path.
The airplane is in a partial or full stall.
The crew's dinner is being prepared in the galley.
RTA mode has been discontinued due to sequencing of the RTA waypoint.
The RTA time does not fall within the earliest and latest takeoff time.
RTA mode has been discontinued because the RTA waypoint has been removed from the Flight Plan.
Both a and c are correct.
Current ETA based on the active flight plan
Performance parameters at the time of waypoint entry.
Desired RTA and may not be overwritten.
Both a and b are correct.
Destination airport speed minus 5 knots.
Waypoint speed restriction if greater than 200 knots.
Minimum flaps up maneuvering speed.
Minimum flap restriction speed.
FPA-actual flight path angle based on flight plan ground speed and vertical speed.
V/B vertical bearing direct from present position of the WPT/ALT line.
V/S-the required vertical speed to fly the displayed FPA.
Blank if there is no entry on the FPA/VS line.
Flashing.
Blank.
Box prompts.
INVALID".
Only attitude information.
Only heading information.
Only attitude and heading information.
Only altitude information.
ALIGN.
NAV.
ATT.
ON.
Attitude and true and magnetic heading.
Acceleration, vertical speed, and ground speed.
Track, present position, and wind data.
All of the above
30 seconds.
1 minute.
5 minutes.
10 minutes.
The mode selector is moved from OFF to ALIGN and 10 minutes have elapsed.
The mode selector is in NAV, present position entered, and alignment is complete.
The mode selector is moved from ATT to NAV and alignment is complete.
When all of the information is available for normal operations in the ALIGN mode.
Air data inertial reference units (ADIRU).
Inertial system display unit (ISDU).
Instrument Display Unit (IDU) transfer switch.
Mode select unit (MSU)
The IRS is NOT in ALIGN mode.
An entry of an invalid present position.
A system fault affecting the related IRS ATT and/or NAV mode has been detected.
That DC power for the respective IRS is not normal.
Switch to OFF, wait for ALIGN tights to extinguish, then perform full alignment procedures.
Switch directly to NAV from the ATT position.
Switch to the ALIGN position then to NAV.
Switch to the OFF position for 1 minute and then to ATT.
PROGRESS page 1.
CRUISE.
POS REF page 2/3.
POS INIT page 1.
Change the descent mode to a M .720 SPD DES.
Change the page title to display M .720 PATH DES.
Result in VNAV disengagement.
Result in VNAV and LNAV disengagement.
Center tank check valves open at a lower differential pressure than main tank check valves.
Center tank check valves open at a higher differential pressure than main tank check valves.
Center tank fuel pumps produce higher pressure than main tank pumps.
Main tank pumps cannot produce pressure until the center tank LOW PRESSURE lights illuminate and center tank pumps are turned OFF.
Is controlled by both the Engine Fire Warning switch and the Engine Start Lever; however, the spar fuel shutoff valve is controlled only by the Engine Start Lever.
Is the only fuel shutoff with an associated blue light on the forward overhead fuel panel.
And the spar fuel shutoff valve requires AC power to operate.
And the spar fuel shutoff valves close whenever their respective Engine Fire Warning switch is pulled or Engine Start Lever is placed to CUTOFF.
Both Center Tank Fuel Pump switches are turned off.
The No. 1 main fuel tank is about 1/2 full and the main tank No. 1 forward pump is operating.
The center fuel tank is about 3/4 full.
Either engine is operating.
True
False
True
False
Fuel quantity low in the main tank, impending fuel filter bypass, excessive fuel flow difference between engines.
Fuel quantity low in the main tank, both center tank fuel pumps producing low or no pressure with fuel in the center tank, excessive fuel quantity difference between main tanks.
Fuel quantity low in center or main tank, either center tank fuel pump producing low or no pressure with fuel in center tank, excessive fuel flow difference between engines.
Any fuel pump producing low or no pressure with the pump switch on, impending fuel filter bypass, excessive fuel quantity difference between main tanks.
A LOW indication.
A CONFIG indication.
A pump LOW PFESSURE indication.
None of the above.
A LOW indication below main tank No. 1 accompanied by a Master Caution light and system annunciation for fuel.
An IMBAL indication below main tank No. 1 accompanied by a Master Caution light and system annunciation for fuel.
An IMBAL indication below main tank No. 1 with no Master Caution light and no system annunciation for fuel.
The fuel quantity arc and digits on main tank No. 2 turn amber.
It receives fuel from the No. 2 tank automatically.
It will shut down due to fuel starvation.
It receives fuel from the No. 1 tank through the fuel pump bypass valve.
It continues to operate using fuel through the center tank bypass valve.
1000 lbs. (453 Kgs.).
1100 lbs. (500 kgs.).
1300 lbs. (590 kgs.).
1500 lbs. (680 kgs.).
Center tank.
Both main tanks.
All tanks.
None.
Low fuel pressure in the affected tank.
Low pressure in the fuel manifold.
Low fuel pump output pressure.
The fuel pump switch is OFF.
Both c and d are correct.
Illuminated dim blue.
Illuminated bright blue.
Illuminated amber.
Extinguished.
The Hot Battery Bus.
The Battery Bus.
The DC Standby bus.
The AC Standby Bus.
Left side of the fuel manifold.
No. 2 main tank.
Center tank.
Aux tank
Automatically when the hydraulic quantity is below 88% in either system A or B.
At all times.
When hydraulic quantity is below 76% in either system A and/or B and the airplane is on the ground with both engines shutdown or after landing with flaps up during taxi-in.
Only during MASTER CAUTION system recall.
True
False
Zero.
64%
72% full.
A leak in the standby system has no effect on the reservoir quantity for system B.
Trailing edge flaps.
Landing gear.
Autoslats and leading edge flaps and slats.
Outboard spoilers.
Is normally powered by Hydraulic System B
Uses Hydraulic System A pressure
Uses Hydraulic System A fluid.
Uses standby hydraulic system fluid.
Electric pump in System B
Engine driven pump in System B.
Electric pump in System A.
Engine driven pump in System A.
Outboard spoilers, rudder and thrust reversers.
Leading edge devices, rudder, thrust reversers, and standby yaw damper.
Inboard spoilers, rudder and thrust reversers.
Alternate brakes, rudder, thrust reversers, and standby yaw damper.
Decrease in System A quantity.
The LOW QUANTITY light illuminates.
Illumination of the System A LOW PRESSURE lights.
Illumination of the System B LOW PRESSURE lights.
At all times.
Only when either FLT CONTROL switch is moved to STBY RUD.
Only when the ALTERNATE FLAPS switch is moved to ARM.
Only when standby pump operation has been selected or automatic standby function is activated.
Flaps are extended from 15 to 30.
Landing gear is extended.
Leading edge devices are extended.
Both b and c are correct.
Position the hydraulic pump switch to off.
Pull the No. 1 engine fire warning switch.
Disconnect the No.1 CSD.
Monitor System A and B pressures.
1000 lbs. (453 kgs.) in the related main tanks.
1600 lbs. (726 kgs.) in both main tanks.
1676 lbs. (760 kgs.) in the related main tanks.
1676 lbs, (760 kgs.) in the center tank.
Allow landing gear retraction if hydraulic system A is lost during takeoff.
Automatically use hydraulic system B for landing gear retraction if hydraulic system A engine driven pump fails and the landing gear lever is positioned up.
Allow the use of nose wheel steering in the event hydraulic system A fails.
Automatically use hydraulic system B pressure for gear retraction if the No 1 engine RPM drops below a limit value, with the landing gear lever up and either main gear not up and locked.
Manual landing gear extension is possible with landing gear lever in any position,
Normal landing gear extension is still possible if hydraulic system B pressure is available.
Landing gear retraction is enabled.
Normal landing gear extension is not possible with the loss of system A.
Are intended to provide automatic braking to main gear wheels during retraction.
Provide positive uplock during main gear retraction.
Are intended to provide protection to wheel well components during gear retraction by preventing a gear with a spinning tire and loose tread from entering the wheel well.
Allows the landing gear transfer unit to use hydraulic system B pressure to raise the gear if hydraulic system A fails.
Normal pressure of 3500 psi.
Maximum pressure of 3500 psi.
Normal precharge of 2800 psi
Normal precharge in the brake accumulator of 1200 psi.
Skid, locked wheel, touchdown and hydroplane.
Skid and hydroplane only.
Skid, locked wheel and hydroplane only.
None of the above.
Automatic braking action occurs at the RTO level.
Automatic braking occurs at the MAX level.
AUTO BRAKE DISARM light illuminates three seconds after touchdown.
AUTO BRAKE DISARM light illuminates two seconds after touchdown.
However, the AUTO BRAKE DISARM light will illuminate and autobrake application will not occur.
However, autobrake action will occur only when both thrust levers are retarded to reverse thrust range.
Prior to decelerating through 30 knots groundspeed.
After decelerating through 60 knots groundspeed.
Moving the SPEED BRAKE lever to the flight detent position.
Advancing the forward thrust lever(s), except during the first three seconds after touchdown for landing.
Applying manual brakes.
Both b and c are correct.
The altimeter.
The cabin pressure controller.
Six sensors, two on each landing gear.
The F'MC position updating from the GPS.
System A.
System B.
Standby System.
Nose wheel steering accumulator
Bypasses System B pressure.
Depressurizes both System A and B pressure.
Allows airplane pushback or towing without depressurizing the hydraulic systems.
Both a and c are correct.
Antiskid protection.
Parking brake
Brake accumulator.
Nose wheel brakes.
AUTO BRAKE select switch positioned to ON.
Wheel speed greater than 60 knots.
Forward thrust levers positioned to IDLE.
Position ANTISKID switch to RTO.
AUTO BRAKE select switch OFF.
A system fault has been detected by the antiskid monitoring system.
Brake accumulator pressure is in the red band.
System B pressure is low.
Observe extend limit speed (280K/.72M).
Retract landing gear speed of 245 knots maximum.
Maintain 235 knots maximum for 20 minutes.
Observe extend limit speed (270 knots/.82M)
Maximum braking when thrust levers are retarded to idle.
Automatic braking when reverse thrust selected.
Automatic speed brake deployment when thrust levers are retarded to idle.
AUTO BRAKE DISARM light will illuminate.
True
False
When System A pressure is low and the landing lever is positioned up
When the ALTERNATE NOSE WHEEL Switch is positioned ON
When the No. 1 engine RPM drops below a limit value with the landing gear still down and the landing gear lever is positioned up.
After a failure of the No. 1 engine hydraulic pump with the landing gear still down and the landing gear lever is positioned up.
Takeoff/landing configuration warnings.
Landing gear.
Air/ground sensing.
All of the above.
Leading edge flaps in the extend position and trailing edge flaps at flaps 5.
Leading edge flaps in the full extend position and trailing edge flaps at flaps 15.
Spoilers not down with the speed brake lever in the DOWN position.
SPEED BRAKE lever in the DOWN position.
Landing gear is in disagreement with LANDING GEAR lever position.
Landing gear is not down and locked (with either or both forward thrust levers retarded to idle, and below 800 feel AGL).
Landing gear is up and locked with the LANDING GEAR lever UP or OFF
Both a and b are correct.
A normal condition.
A fault is detected in the landing gear locking system or the air/ground sensing system.
The landing gear configuration warning horn will sound upon landing.
A problem exists in the PSEU light, because this light should be inhibited in flight.
True
False
Anti-ice controls.
ADIRU output.
FMC outputs.
All of the above.
Reduce the airplane speed to below Vmo/Mmo.
Press the Mach/airspeed warning test switch.
Reduce the airplane speed to minimum maneuvering airspeed.
Press the Mach/airspeed override switch.
Correct the flight path back to the glide slope.
Push either pilot's BELOW G/S P-INHIBIT light while in alerting area only.
Push the BELOW G/S light when below 1,000 feet.
All the above are correct.
Only on the ground
From lift-off to 1000 feet radio altitude.
Momentarily on the ground, or above 1000 first radio altitude in-flight.
Anytime.
Stabilizer trim is not set in the takeoff range.
Leading edge flaps and trailing edge flaps are not configured for takeoff.
SPEED BRAKE lever is not in the DOWN position.
All of the above are correct.
True
False
Cannot indicate external air pressure.
Indicates both temperature and pressure in the bleed air duet.
Shows duct pressure in both the left and right bleed air ducts.
Requires DC power for operation.
The airplane is in flight with the landing gear extended.
The airplane is in flight, with the packs in HIGH.
Anytime the airplane is in flight.
The Ram Door is fully open.
Prior to 400 feet above the ground.
After passing through 2000 feet above the ground.
Reaching 1500 feet or until obstacle clearance height has been attained.
After the No. 1 engine bleed switch is positioned to ON.
Temperature in the pack air cycle machine has exceeded limits.
Selecting MANUAL with the related pack control.
Temperature downstream of the related pack has exceeded limits.
Both a and c are correct.
Reduce cabin air outflow.
Reduce the workload on the other pack.
Reduce the workload on the affected air conditioning pack.
Reduce the air flow through the air mix valves.
Are driven by DC motors.
Increases airflow at greater cabin differential pressures.
Reduces air conditioning pack load and engine bleed air demand.
Provide overheat detection downstream of the packs.
The air mix valves to drive to full cold.
The air mix valves to drive to full hot.
An automatic shutdown of the pack.
A BLEED TRIP OFF condition.