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Test > maintenance : The vertical command bar of a flight director.1 repeats the position ?

Question 52-1 : 3 1 2 3 1 3 2 3

exemple 152 3.3.

To allow the coupling of a dual channel flight director ?

Question 52-2 : Both autopilot channels must be selected on only one autopilot channel must be selected on both vhf comms channels must be serviceable both vhf nav channels must be serviceable

.coupling of both flight director is necessary to perform a full autoland .when establish on an ils between 3000 ft and 1500 ft above ground you can switch on both autopilot it allows the coupling of a dual channel flight director to realize the full autoland exemple 156 both autopilot channels must be selected on.both autopilot channels must be selected on.

An aircraft flies steadily on a heading 270° the flight director is engaged in ?

Question 52-3 : Deviates to the right and will be centred as soon as you roll the aircraft to the bank angle calculated by the flight director deviates to the right and remains in that position until the aircraft has reached heading 360° disappears the new heading selection has deactivated the hdg mode deviates to its right stop as long as the aeroplane is more than 10° off the new selected heading

exemple 160 deviates to the right and will be centred as soon as you roll the aircraft to the bank angle calculated by the flight director.deviates to the right and will be centred as soon as you roll the aircraft to the bank angle calculated by the flight director.

An automatic ils approach can be flown only ?

Question 52-4 : Within a range of crosswinds and levels of turbulence within a range of crosswinds and no limit for turbulence within a range of levels of turbulence and no limit for crosswinds without limits for crosswind or turbulence

exemple 164 within a range of crosswinds and levels of turbulence.within a range of crosswinds and levels of turbulence.

The 'guidance' functions of a autopilot consist in ?

Question 52-5 : Monitoring the movements of the centre of gravity in the three dimensions of space stabilizing and monitoring the movements around the centre of gravity monitoring the movements of the aerodynamic centre in the three dimensions of space stabilizing and monitoring the movements around the aerodynamic centre

.the basic function of an autopilot is stabilisation the stabilisation of the aircraft around its centre of gravity .basic function is achieved by the inner loop systems .the advanced function is 'guidance' monitoring the movements of the centre of gravity in the three dimensions of space .outer loop systems offer the guidance facilities altitude hold heading hold vnav lnav .outer loops act from an external position on the inner loop and 'fool' the inner loop into manoeuvrig the aircraft into achieving its aim exemple 168 monitoring the movements of the centre of gravity in the three dimensions of space.monitoring the movements of the centre of gravity in the three dimensions of space.

The 'airspeed hold' mode can be engaged and maintained during ?

Question 52-6 : Climbs descents turns and power changes climbs and descents only climbs descents and power changes only turns only

exemple 172 climbs, descents, turns and power changes.climbs, descents, turns and power changes.

The output data of the flight director computer are ?

Question 52-7 : Two channels pitch and roll two channels pitch and yaw three channels pitch roll and yaw three channels pitch roll and sideslipping

exemple 176 two channels: pitch and roll.two channels: pitch and roll.

The initiation of an automatic go around can be ?

Question 52-8 : In a range of approach airspeeds with no limit of approach airspeeds at 70kt +/ 5kt only at vy +/ 5kt only

.a go around will be initiated while established on approach usually between 5 nm and the runway threshold you are in the approach configuration flaps deployed possibly slats deployed and gear down .you will initiate the automatic go around procedure by pressing to/ga switch located on the engine thrust lever

During a final approach if the flight director system is engaged in the g/s ?

Question 52-9 : The correction on the pitch to be applied to join and follow the ils glide slope the position of the aircraft relative to the ils glide slope the instantaneous deviation between the aircraft position and the ils glide slope the pitch attitude of the aircraft

exemple 184 the correction on the pitch to be applied to join and follow the ils glide slope.the correction on the pitch to be applied to join and follow the ils glide slope.

If in the event of a failure there is no significant out of trim condition or ?

Question 52-10 : Fail passive fail operational fail safe fail redundant

.the question specifically states that the failure has occured and the landing was not completed automatically this is 'fail passive' with a three autopilot system the failure of one system still leaves two operating so that is fail operational

If in the event of a failure the approach flare and landing can be completed by ?

Question 52-11 : Fail operational faill passive fail soft fail hard

.with a three autopilot system the failure of one system still leaves two operating so that is fail operational exemple 192 fail-operational.fail-operational.

Considering a flight director of the 'command bars' type ?

Question 52-12 : The horizontal bar is associated with the pitch channel the horizontal bar is associated with the roll channel the vertical bar is associated with the pitch channel the vertical bar may be associated with the pitch channel

exemple 196 the horizontal bar is associated with the pitch channel.the horizontal bar is associated with the pitch channel.

The command bars of a flight director ?

Question 52-13 : May be displayed when flying manually or with the autopilot engaged are displayed only when flying manually are displayed only when the autopilot is engaged are always displayed during take off

exemple 200 may be displayed when flying manually or with the autopilot engaged.may be displayed when flying manually or with the autopilot engaged.

The purpose s of the flight director system is are to.1 give the position of ?

Question 52-14 : 3 1 3 2 3 1 2 3

exemple 204 3.3.

Concerning the command bars of a flight director ?

Question 52-15 : It is possible to remove them by switching the flight director off it is not possible to remove them on some types of flight director systems autopilot must be first disengaged to remove them autopilot must be first engaged before removing them

exemple 208 it is possible to remove them by switching the flight director off.it is possible to remove them by switching the flight director off.

The lateral flight path modes of an autopilot system are .1 speed hold.2 ?

Question 52-16 : 2 3 4 1 2 3 4 1 3 5 2 4

.autopilot lateral mode . roll attitude. heading. vor mode. navigation mode gps/fms/ins.autopilot longitudinal mode . altitude hold and capture. speed hold and capture with a/t ias and/or mach . thrust hold and capture with a/t. pitch attitude exemple 212 2, 3, 4.2, 3, 4.

The purpose of the autopilot control wheel steering cws mode is ?

Question 52-17 : To consider as target parameters the current pitch and roll angles at the time the mode becomes active to control the nose wheel steering during automatic landing to control the nose wheel steering during low visibility take off and landing to capture and hold the altitude selected with the control wheel on the mode control panel

.pushing a cws engage switch engages the a/p pitch and roll axes in the cws mode and displays cws p and cws r on the fmas .with cws engaged the a/p maneuvers the airplane in response to control pressures applied by the pilot the control pressure is similar to that required for manual flight .when control pressure is released the a/p holds existing attitude exemple 216 to consider as target parameters, the current pitch and roll angles at the time the mode becomes active.to consider as target parameters, the current pitch and roll angles at the time the mode becomes active.

When engaged in the fms lateral navigation mode lnav the autopilot uses the ?

Question 52-18 : Fms track selector vor receiver vor or localizer receiver

exemple 220 fms.fms.

In an autopilot system the flight path modes are .1 pitch attitude hold.2 ias ?

Question 52-19 : 2 3 4 1 2 3 4 3 4

exemple 224 2, 3, 4.2, 3, 4.

The lateral flight path modes of an autopilot system are .1 heading hold.2 ?

Question 52-20 : 1 3 5 1 2 3 5 1 3 4 2 5

.autopilot lateral mode . roll attitude. heading. vor/ils mode. navigation mode gps/fms/ins.autopilot longitudinal mode . altitude hold and capture. speed hold and capture with a/t ias and/or mach . thrust hold and capture with a/t. pitch attitude exemple 228 1, 3, 5.1, 3, 5.

The vertical flight path modes of an autopilot system are .1 pitch attitude ?

Question 52-21 : 2 4 1 2 4 1 2 3 1

.the question is about the vertical flight path modes only .pitch attitude holding horizontal wing holding yaw damper are parts of the 'basic' function of the autopilot the stabilisation of the aircraft around its centre of gravity .'track hold' is a function of the horizontal flight path modes exemple 232 2, 4.2, 4.

The automatic synchronisation function of an autopilot control system . 1 ?

Question 52-22 : 3 1 3 1 2 1 2 3

.before the autopilot can be engaged certain conditions must be met these conditions vary with aircraft type eg no force is being applied to the control wheel .it must also be ensured that on engagement the 'take over' is affected smoothly and without 'snatching' of the aircraft's control system in other words the aircraft must be trimmed for the desired flight attitude before engagement and the automatic control system must be synchronised to maintain that attitude on engagement the automatic synchronisation operates before the autopilot is engaged exemple 236 3.3.

The components of an autopilot system are the .1 actuators.2 mode control ?

Question 52-23 : 1 2 3 4 1 4 1 2 1 2 4

Ashahabpour .hi .there is another question that looks like this i think it's exactly the same but the answer is different the mode annunciator panel is not in the combination that regroups all of the correct statements do you have an explanation..the question you are talking about is n°882 .'the computer of the autopilot system uses among others input signals from the .1 attitude reference system.2 mode annunciator panel.3 adc.4 mode control panel.answer 1 3 4.as you can see the question is slightly different it talks about the computer of the autopilot only exemple 240 1, 2, 3, 4.1, 2, 3, 4.

Concerning a fail passive flight control system in the event of a failure.1 ?

Question 52-24 : 2 3 2 4 1 3 1 4

. fail passive flight control system .a flight control system is fail passive if in the event of a failure there is no significant out of trim condition or deviation of flight path or attitude but the landing is not completed automatically for a fail passive automatic flight control system the pilot assumes control of the aeroplane after a failure. fail operational flight control system .a flight control system is fail operational if in the event of a failure below alert height the approach flare and landing can be completed automatically in the event of a failure the automatic landing system will operate as a fail passive system exemple 244 2, 3.2, 3.

Concerning a fail passive flight control system in the event of a failure. ?

Question 52-25 : 2 3 2 4 1 3 1 4

. fail passive flight control system .a flight control system is fail passive if in the event of a failure there is no significant out of trim condition or deviation of flight path or attitude but the landing is not completed automatically for a fail passive automatic flight control system the pilot assumes control of the aeroplane after a failure. fail operational flight control system .a flight control system is fail operational if in the event of a failure below alert height the approach flare and landing can be completed automatically in the event of a failure the automatic landing system will operate as a fail passive system exemple 248 2, 3.2, 3.

For a fms designed with the lateral navigation lnav capability coupled to the ?

Question 52-26 : A roll angle or a heading target a longitudinal acceleration and a roll rate a lateral acceleration a calibrated airspeed cas and a cross track distance xtk

exemple 252 a roll angle or a heading target.a roll angle or a heading target.

The cs 25 gives the following definition 'where the pilot has the ability to ?

Question 52-27 : Control wheel steering cws alternate wheel steering aws nose wheel steering nws automatic wheel steering aws

exemple 256 control wheel steering (cws).control wheel steering (cws).

When engaging the autopilot the function providing a smooth 'take over' is the ?

Question 52-28 : Automatic synchronisation function automatic pitch trim function mach trim function automatic cws control wheel steering function

.when engaging the autopilot automatic synchronisation function.when disengaging the autopilot automatic pitch trim function exemple 260 automatic synchronisation function.automatic synchronisation function.

When disengaging the autopilot the function providing a smooth 'hand over' is ?

Question 52-29 : Automatic pitch trim function automatic synchronisation function mach trim function automatic cws control wheel steering function

.when engaging the autopilot automatic synchronisation function.when disengaging the autopilot automatic pitch trim function exemple 264 automatic pitch trim function.automatic pitch trim function.

During an autocoupled ils approach followed by an automatic landing the ?

Question 52-30 : Radio altitude barometric altitude with the altimeter set to the qfe barometric altitude with the altimeter set to the qnh barometric altitude with the altimeter set to the 1013 25

exemple 268 radio altitude.radio altitude.

The computer of the autopilot system uses among others the following parameters ?

Question 52-31 : Cas altitude vertical speed heading attitude cas altitude temperature inertial position attitude altitude vertical speed heading attitude gps position altitude heading temperature fuel flow attitude

exemple 272 cas, altitude, vertical speed, heading, attitude.cas, altitude, vertical speed, heading, attitude.

The flight director computer continuously ?

Question 52-32 : Compares the current attitude with the computed attitude compares the computed attitude with the egpws signals compares the computed attitude with the acas signals computes the required attitude for the autopilot synchronization

exemple 276 compares the current attitude with the computed attitude.compares the current attitude with the computed attitude.

In the event of a failure a fail operational flight control system will operate ?

Question 52-33 : Fail passive system fail safe system fail operational hybrid system fail redundant system

exemple 280 fail-passive system.fail-passive system.

When engaged in the pitch hold mode the autopilot uses data issued by the ?

Question 52-34 : Attitude reference system flight management computer fmc adc inertial vertical speed indicator

exemple 284 attitude reference system.attitude reference system.

During a final approach the flight director is engaged in the loc mode holding ?

Question 52-35 : Must be rolled to the left is left of the loc axis must be rolled to the right is right of the loc axis

.the flight director computes and displays the proper pitch and bank angles required in order for the aircraft to follow a selected path we can be left or righ from the axis . 1022.and if the vertical command bar is deviating to the left it means that the aircraft must be rolled to the left exemple 288 must be rolled to the left.must be rolled to the left.

In an autopilot system the basic stabilisation modes are.1 pitch attitude ?

Question 52-36 : 1 and 3 1 2 3 and 4 1 2 and 3 1 and 4

exemple 292 1 and 3.1 and 3.

Concerning a fail operational flight control system in the event of a failure.1 ?

Question 52-37 : 1 3 1 2 2 3 3

.a fail operational autoland system can withstand one failure it becomes now a fail passive autoland system it can continue to autoland automatically .in case of a second failure the landing cannot be completed automatically exemple 296 1, 3.1, 3.

The position of the command bars of a flight director enables the pilot to know ?

Question 52-38 : The direction and the amplitude of the corrections to apply on the controls only the direction of the corrections to apply on the controls the position of the aircraft the attitude of the aircraft

exemple 300 the direction and the amplitude of the corrections to apply on the controls.the direction and the amplitude of the corrections to apply on the controls.

The components of an autopilot system are the .1 actuators.2 mode control ?

Question 52-39 : 1 2 4 1 2 3 4 1 2 3 3 4

.the components of an autopilot system are the actuators the mode control panel the mode annunciator panel and the computer .an efis electronic flight instrument system control panel permits to display different informations on the nd navigation display and the pfd primary flight display exemple 304 1, 2, 4.1, 2, 4.

The computer of the autopilot system uses among others input signals from the ?

Question 52-40 : 1 3 4 1 2 3 4 1 4 2 3

exemple 308 1, 3, 4.1, 3, 4.

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