Question 72-1 : Which of the distances indicated will be shown on a basic vordme based area navigation equipment when using a 'phantom station' at position 'x' 2088 ? [ Analysis topography ]

Question 72-2 : Erratic indications may be experienced when flying towards a basic vordme based area navigation system 'phantom station' ?

When operating at low altitudes close to the limit of reception range from the reference station.

Question 72-3 : Which of the following is one of the functions of the computer in a basic rnav system ?

Question 72-4 : Which one of the following lists information given by a basic vordme based area navigation system when tracking inbound to a phantom waypoint ?

Crosstrack distance alongtrack distance distance to go .

Crosstrack xtk is the aircraft position relative to the pathcrosstrack distance is the shortest distance shortest path between actual aircraft position and an active waypoint selected on the track even if we are not on the planned pathalongtrack distance distance to go is the remaining distance to reach the phantom waypoint while tracking inbound

Question 72-5 : Which of the following lists information required to input a waypoint or 'phantom station' into a basic vor dme based area navigation system ?

Question 72-6 : Which of the distances indicated will be shown on a basic vordme based area navigation equipment when using a 'phantom station' 2086 ?

12 nm.

Brnav equipments are intended to help pilot so you will directly read the distance to reach the station 2392

Question 72-7 : Which one of the following inputs to an area navigation system r nav comes from an external not on board system ?

Vordme radialdistance.

Question 72-8 : Which one of the following sensorssystems is self contained ?

Inertial navigation system.

Question 72-9 : In relation to area navigation systems rnav which of the following is an air data input ?

True airspeed.

Question 72-10 : In the flight management computer fmc of the flight management system fms data relating to aircraft flight envelope computations is stored in the ?

Performance database.

1952

Question 72-11 : In the flight management computer fmc of the flight management system fms data relating to v1 vr and v2 speeds is stored in the ?

Performance database.

1952

Question 72-12 : In the flight management computer fmc of the flight management system fms data relating to flight plans is stored in the ?

Navigation database.

Question 72-13 : In the flight management computer fmc of the flight management system fms data relating to stars and sids is stored in the ?

Navigation database.

1953

Question 72-14 : Under which of the following circumstances does a vordme area navigation system switch to dead reckoning mode ?

The system is receiving information from only one vor.

Navigation computer vordme navigation the vordme area navigation system computer calculates track error in relation to desired track this data can easily be interfaced with the automatic flight control and when done so enables the aircraft to automatically follow the flight plan loaded into the rnav computerthe computer is able to perform great circle navigation when receiving vordme stations if out of range the system reverts to dr dead reckoning mode where it updates the position by means of last computed wind and tas and heading information operation in dr mode is time limited

Question 72-15 : In the flight management computer fmc of the flight management system fms data relating to cruising speeds is stored in the ?

Performance database.

1952

Question 72-16 : Which facility associated with the ils may be identified by a two letter identification group ?

Locator.

Reference data for airports four letter icao identifier vordme station data three letter icao identifier waypoint data five letter icao identifier

Question 72-17 : Under which of the following circumstances does a vordme area navigation system switch to dead reckoning mode ?

Vordme area navigation computer is receiving neither radial nor distance data information from vordme stations.

In navigation 'dead reckoning mode' is the process of calculating one's current position by using a previously determined position or fix and advancing that position based upon known or estimated speeds over elapsed time and coursethe rnav computer on board the airplane will switch to dead reckoning mode when it lost radial or distance data information from vordme stations

Question 72-18 : How does a vordme area navigation system selects the dme stations to be used for positioning ?

The vordme area navigation system has its own nav tuner and the system itself tunes the dme stations providing the most accurate position.

Dme stations that have the best range and geometry for computing the most accurate position on our course are automatically selected by a rnav system which has its own nav tuner

Question 72-19 : Apart from radials and distances from vordme stations what information is required by the vordme area navigation computer in order to calculate the wind ?

Heading from the aircraft compass system and true airspeed from the air data computer.

Question 72-20 : The flight management system fms is organized in such a way that ?

The navigation database is read only to the pilot.

You are not allowed to modify the navigation database imagine that one pilot deleted one or more waypoints by accident or by negligence you are flying after him it could be very dangerousfor this reason the navigational database is read only but additional space exists so that crew created navigational data may be saved in the computer memorysuch additional data will also be deleted at the 28 days navigational update of the database

Question 72-21 : Precision rnav p rnav requires a track keeping accuracy of ?

+ 10nm for 95% of the flight time.

Area navigation rnav icao annex 11 is a method of navigation permitting aircraft operations on any desired track within the coverage of station referenced navigation signal or within the limits of a self contained navigation system precision rnav prnav systems require rnp 1 + 10nm for 95% of the flight time for information basic rnav b rnav systems require rnp 5 required navigation performance 5 b rnav requires only a track keeping accuracy of + 5nm or better for 95% of the flight time

Question 72-22 : On what data is a vordme area navigation system operating in the dead reckoning mode ?

Tas from the air data computer heading from the aircraft compass the last computed wv.

navigation computer vordme navigation the vordme area navigation system computer calculates track error in relation to desired track this data can easily be interfaced with the automatic flight control and when done so enables the aircraft to automatically follow the flight plan loaded into the rnav computerthe computer is able to perform great circle navigation when receiving vordme stations if out of range the system reverts to dr dead reckoning mode where it updates the position by means of last computed wind and tas and heading information operation in dr mode is time limited

Question 72-23 : In the flight management computer fmc of the flight management system fms data relating to waypoints is stored in the ?

Navigation database.

2400

Question 72-24 : A fms with only a multiple dme sensor operating shall have a position error 95% probability in a non precision approach equal or less than ?

03 nm.

Icao doc 8168 departure procedures are normally based on rnp 1where necessary and appropriate they may be based on rnp 05 or rnp 03departures are not associated with an rnp less than rnp 03 non precision approach procedures are normally based on rnp 05 initial approach only or rnp 03 initialintermediatefinal approach non precision approach procedures are not associated with an rnp less than rnp 03

Question 72-25 : What is the cross track deviation xtk indicated on an rnav system area navigation system ?

The distance between the actual position and the great circle track between two active waypoints.

Xtk is the aircraft position relative to the pathxtk distance is the shortest distance shortest path between actual aircraft position and an active waypoint selected on the track even if we are not on the planned path

Question 72-26 : In what piece of fms equipment will the pilot enter the waypoint information for the route ?

The control display unit cdu .

flight management system the flight management system fms is comprised of the following components flight management computer system fmcs autopilotflight director system afds autothrottle at inertial reference systems irs global positioning system gps each of these components is an independent system and each can be used independently or in various combinations the term fms refers to the concept of joining these independent components together into one integrated system which provides continuous automatic navigation guidance and performancemanagementthe integrated fms provides centralized flight deck control of the airplane's flight path and performance parameters the flight management computer or fmc is the heart of the system performing navigational and performance computations and providing control and guidance commandsthe primary flight deck controls are the afds mcp two control display units cdu's two electronic flight instrument system efis control panels and an fmc source selector switch the primary displays are the cdus outboard display units inboard display units and upper display unitthe fmc uses crew entered flight plan information airplane systems data and data from the fmc navigation database and performance database to calculate airplane present position and pitch roll and thrust commands required to fly an optimum flight profile the fmc sends these commands to the autothrottle autopilot and flight director map and route information are sent to the respective pilot's navigation displays the efis control panels are used to select the desiredinformation for navigation display the mode control panel is used to select the autothrottle autopilot and flight director operating modes the final preparation of the flight via the cdu are being completed by the captain 2401

Question 72-27 : 3d rnav fixing gives you ?

Horizontal and vertical profile guidance.

Area navigation rnav icao annex 11 is a method of navigation permitting aircraft operations on any desired track within the coverage of station referenced navigation signal or within the limits of a self contained navigation system a 3d rnav system is able to navigate in the horizontal plane and in addition has a guidance capability in the vertical plane

Question 72-28 : Which of the following are stored in the navigation database of the flight management system fms 1 waypoints 2 details of radio navigation aids3 optimum altitudes4 company routes5 landing reference speedsthe combination regrouping all the correct statements is ?

1 2 4.

2402

Question 72-29 : From which of the following combination of navigational sources provide enough information to the rnav equipment to calculate the wind vector ?

Irs and air data computer.

Tothdaniel the right answer seems to be close but i cannot figure out how wind can be calculated without heading information the output data of an irs include present position acceleration and true heading ground speed is calculated by integrating measured acceleration air data computer will provide tas

Question 72-30 : The flight management system fms is organized in such a way that the pilot can ?

Insert additional temporary navigation data between two database updates.

The navigational database is read only but additional space exists so that crew created navigational data may be saved in the computer memorysuch additional data will also be deleted at the 28 days navigational update of the database

Question 72-31 : A pilot is flying between two waypoints defined by suitably located vordmes equipped with a simple 2d rnav system this pilot ?

Reads cross track error and the distance to go on cdi or hsi.

The navigation computer of the simple 2d rnav system computes the navigational problems by simple sine and cosine mathematics solving the triangular problemsoutput data from the navigation computer are desired magnetic track to the next waypoint shown on the cdi or hsi at the course pointer distance from present position to the next waypoint deviations cross track error from desired track as follows in enroute mode full scale deflection on the cdi or hsi is 5 nm in approach mode full scale deflection on the cdi or hsi is 125 nm in vordme mode full scale deflection of the cdi or hsi is 10°

Question 72-32 : The control and display unit cdu on an fms is ?

Used by the crew to input data into fmc.

Question 72-33 : A 2 dimensional rnav system has a capability in the ?

Horizontal plane.

A 2d rnav system is able to navigate in the horizontal plane only a 3d rnav system is able to navigate in the horizontal plane and in addition has a guidance capability in the vertical planea 4d rnav system is able to navigate in the horizontal plane has a guidance capability in the vertical plane and in addition has a timing function

Question 72-34 : A fix obtained by rho rho navigation is based on information from two ?

Dmes.

Rho rho navigation uses distance from two sources for position informationrho rho navigation is quite a bit more complicated than either theta theta vor vor or theta rho vor dme and requires an onboard computer to do all but the easiest calculations however it is very accurate much more than any system that uses theta vor for simple reason that dme is so much more accurate than any other azimuth based navigation system 2394

Question 72-35 : The fms navigation data base usually contains 1 airport reference data2 atc frequencies3 company routes4 navaid frequenciesthe combination regrouping all the correct statements is ?

1 3 and 4.

Question 72-36 : The inputs of information used to achieve the rnav required accuracy may be 1 ndb2 irs3 vordme4 gnssthe combination regrouping all the correct statements is ?

2 3 4.

Question 72-37 : Benefits of area navigation include 1 shorter flight distance2 reduction in fuel and flight time3 no radio contact within rnav airspace4 reduction in the number of ground tracking facilities5 pilot choice of vertical and horizontal separationsthe combination regrouping all the correct statements is ?

1 2 and 4.

Area navigation rnav icao annex 11 is a method of navigation permitting aircraft operations on any desired track within the coverage of station referenced navigation signal or within the limits of a self contained navigation systemrnav can be used in all phases of flight and when implemented correctly can result in improved situational awareness for the pilot reduced workloads for both controller and pilot reduced environmental impact from improved design of routes and procedures reduced fuel consumption from shorter more direct routes

Question 72-38 : A phantom station as used in a 2d rnav system is ?

A waypoint defined by a radial and a dme distance from a vordme station.

Basic vor dme based area navigation system is a 2d rnav system the navigation computer of the simple 2d rnav system computes the navigational problems by simple sine and cosine mathematics solving the triangular problemsinput data to the navigation computer is actual vor radial and dme distance from selected vor station radial and distance to phantom waypoint desired magnetic track inbound to the phantom waypoint thus a phantom station is a waypoint defined by a radial and a dme distance from a vordme station a 2d rnav system is able to navigate in the horizontal plane only

Question 72-39 : Which of the following nav aids will provide an rnav system with position ?

Vordme.

Area navigation rnav can be defined as a method of navigation that permits aircraft operation on any desired course within the coverage of station referenced navigation signals or within the limits of a self contained system capability or a combination of thesethe computer in a basic rnav system transfers the information given by a vordme station or two or more vor or two or more dme stations into tracking and distance indications to any chosen phantom stationwaypointthis is one of the rnav's computer main functionsa vdf is not an rnav nav aids systemndbadf will only provide a direction angle information whitout any distance from the ground station

Question 72-40 : On a modern commercial aircraft the fms provides ?

Lateral and vertical navigation and guidance and performance management.

The two functions common to all fms systems automatic navigation lnav lateral navigation flight path management vnav vertical navigation furthermore flight management system has the ability to monitor and direct both navigation and performance of the flight