Question 65-1 : During the initial alignment of an inertial navigation system ins the equipment ? [ Students VFR ]

Question 65-2 : The average value for the position error of the ins inertial navigation systems according to time is ?

05 to 2 nmh.

Question 65-3 : The output data of an irs are 1 true track2 mach number3 present position lat long 4 true heading5 attitudethe combination regrouping all the correct statements is ?

1 3 4 5.

In their normal navigation mode the irss provide attitude true and magnetic heading acceleration vertical speed ground speed track present position and wind data to appropriate airplane systems irs outputs are independent of external navigation aids such as satellite the adc air data computer will compute the mach number

Question 65-4 : After alignment of the stable platform of an inertial navigation system ins the output data from the platform is ?

Acceleration northsouth and eastwest true heading and attitude.

Question 65-5 : In an inertial reference system accelerations are measured in relation to ?

Question 65-6 : The full alignment of the stable platform of an inertial navigation system ins ?

Is only possible on the ground when the aircraft is at a complete stop.

While the aircraft is stationary during the align mode gravity defines the local vertical and the gyro stabilised platform is placed perpendicular to the vertical ie in the local horizontal the north and east gyros are used to define the direction in which the earth is rotating east in order to define the platform's alignment relative to true north it is only possible on the ground when the aircraft is at a complete stop

Question 65-7 : Which of the following statements concerning the aircraft positions indicated on a triple fit insirs on the cdu is correct ?

Question 65-8 : A pilot accidentally turning off the irs in flight and then turns it back on a few moments later following this incident ?

It can only be used for attitude reference.

Question 65-9 : Concerning the operation of an insirs the nav mode must be selected ?

Prior to movement of the aircraft off the gate.

Question 65-10 : The data that needs to be inserted into an inertial reference system in order to enable the system to make a successful alignment of navigation is ?

Aircraft position in latitude and longitude.

An irs needs to know the latitude only for alignment but needs the starting latitude and longitude for navigation

Question 65-11 : Which of the following statements concerning the loss of alignment by an inertial reference system irs in flight is correct ?

The navigation mode including present position and ground speed outputs is inoperative for the remainder of the flight.

You can only perform a re alignment on the ground the system is inoperative for navigation but it remains usable for attitude reference

Question 65-12 : Mode localizer arm active on flight director means ?

System is armed for localizer approach and coupling will occur upon capturing centre line.

Question 65-13 : A closed loop control system in which a small power input controls a much larger power output in a strictly proportionate manner is known as ?

A servomechanism.

A servomechanism is a type of control system in which a small signal or a small force is used to control a much larger force and in which output accurately follows the input even if it is varying rapidly the system constantly compares the input and the output until the error signal becomes zero

Question 65-14 : The essential components of a flight director are 1 a computer 2 an automatic pilot 3 an auto throttle 4 command bars the combination regrouping all the correct statements is ?

1 4.

Question 65-15 : The control law of a transport airplane autopilot control channel may be defined as the relationship between the ?

Computer input deviation data and the output control deflection signals.

The autopilot control laws determine how the computer interprets a performance demand in terms of a control response

Question 65-16 : In a transport airplane an autopilot comprises in addition to the mode display devices the following fundamental elements 1 airflow valve2 sensors3 comparators4 computers5 amplifiers6 servo actuatorsthe combination regrouping all the correct statements is ?

2 3 4 5 6.

Question 65-17 : A pilot engages the control wheel steering cws of a conventional autopilot and carries out a manoeuvre in roll when the control wheel is released the autopilot will ?

Maintain the flight attitude obtained at that moment.

Question 65-18 : The basic modes of an autopilot consist in ?

Stabilizing the aircraft around its centre of gravity.

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 systemsthe 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

Question 65-19 : On a modern aircraft the flight director modes are displayed on the ?

Upper strip of the pfd primary flight display .

Question 65-20 : In order to know in which mode the auto throttles are engaged the crew will check the ?

Question 65-21 : An automatic landing system necessitating that the landing be continued manually in the case of a system failure during an automatic approach is called 'fail ' ?

'passive'.

Question 65-22 : When an aircraft operating in the vor coupled mode approaches the 'cone of confusion' over a vor station the roll channel of the autopilot ?

Question 65-23 : The command bars of a flight director are generally represented on an ?

Adi attitude director indicator.

Question 65-24 : After having programmed your flight director you see that the indications of your adi attitude director indicator are as represented in diagram n°1 of the appended annexon this instrument the command bars indicate that you must bank your airplane to the left and 1043 ?

Increase the flight attitude until the command bars recentre on the symbolic airplane.

Question 65-25 : An autopilot capable of holding at least altitude and heading mode is compulsory ?

For ifr or night flights with only one pilot.

For a private flight an autopilot is not compulsory but for cplatpl we are talking about commercial air transportationops 1655 additional equipment for single pilot operation under ifr an operator shall not conduct single pilot ifr operations unless the aeroplane is equipped with an autopilot with at least altitude hold and heading mode

Question 65-26 : Among the following functions of an autopilot those related to the airplane guidance are 1 pitch attitude holding2 horizontal wing holding3 indicated airspeed or mach number holding4 altitude holding5 vor axis holding6 yaw dampingthe combination regrouping all the correct statements is ?

3 4 and 5.

The question is asking about the guidance functions of the autopilotthe guidance functions of a autopilot consist in monitoring the movements of the centre of gravity in the three dimensions of space guidance functions are altitude hold heading hold airspeed hold vnav vertical navigation lnav lateral navigation 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

Question 65-27 : The ias or mach hold mode is provided by 1 the autopilot pitch channel in the climb mode at a constant ias or mach number2 the autothrottles in the climb mode at a constant ias or mach number3 the autopilot pitch channel in the altitude or glide path holding mode4 the autothrottles in the altitude ?

1 4.

During climb when ias or mach hold speed mode is engaged speed mode the speed is maintained by the autopilot pitch channel by adjusting the elevator position in order to decrease the climb angle thrust is maintained constant when you are established at your cruising level or when established on the glide path the autothrottles will maintain speed constant by increasing or decreasing thrust the elevator is not adjusted for controlling the speed in alt hold or app mode

Question 65-28 : After having programmed your flight director you see that the indications of your adi attitude director indicator are as represented in diagram n°1 of the appended annex on this instrument the command bars indicate that you must 1044 ?

Increase the flight attitude and bank your airplane to the left until the command bars recentre on the symbolic aeroplane.

Question 65-29 : When being engaged and without selecting a particular mode an automatic pilot enables ?

Aeroplane stabilisation with attitude hold or maintaining vertical speed and possibly automatic trim.

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 systemsthe 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

Question 65-30 : The position of a flight director command bars ?

Indicates the manoeuvres to execute to achieve or maintain a flight situation.

Question 65-31 : In an auto pilot slaved powered control circuit the system which ensures synchronisation ?

Can itself when it fails prevent the automatic pilot from being engaged.

Question 65-32 : An autopilot system ?

Must provide at least aircraft stabilisation functions.

Question 65-33 : During an automatic landing between 50 ft agl and touch down the autopilot maintains ?

A vertical speed according to the radio altimeter height.

The autopilot flares out at this stage by progressively reducing the vertical velocity

Question 65-34 : A flight control system which can in the event of a failure complete automatically the approach flare and landing is called 'fail ' ?

Operational.

Question 65-35 : Command bars of the flight director may be present on the 1 hsi 2 cdu 3 adi the combination that regroups all of the correct statements is ?

3.

Question 65-36 : Considering a flight director of the 'command bars' type ?

The vertical bar is associated with the roll channel.

Question 65-37 : Considering a flight director of the command bars type 1 the vertical bar is always associated with the roll channel2 the vertical bar may be associated with the pitch channel3 the horizontal bar may be associated with the roll channel4 the horizontal bar is always associated with the pitch ?

1 4.

Question 65-38 : During a final approach the flight director system is engaged in the loc mode holding of localizer axis the position of the vertical command bar indicates ?

The correction on the bank to be applied to join and follow the localizer axis.

Question 65-39 : Flying manually during a final approach the flight director system is engaged in the gs mode holding of ils glide slope if the aircraft is above the ils glide slope the horizontal command bar ?

May be centred if the pilot is correcting to come back on to the ils glide slope.

Question 65-40 : Flying manually during a final approach the flight director system is engaged in the gs mode holding of ils glide slope if the aircraft is below the ils glide slope the horizontal command bar ?

May be centred if the pilot is correcting to come back on the ils glide slope.