Question 18-1 : When an aircraft will pass through the level of another aircraft on the same track the following minimum longitudinal separation shall be provided ? [ Diploma registration ]

Question 18-2 : When independent parallel approaches are being conducted to parallel runways and vectoring to intercept the ils localizer course or mls final approach track the vector shall be such as to enable the aircraft to be established on the ils localizer course ?

At least 20 nm prior to intercepting the ils glide path or specified mls elevation angle.

Dario0690 what is the diference in this question who says 20 nm and in other questions says 30 nm you must be first established on the localizer axis before intercepting and descending on the ils glideindependent parallel approaches simultaneous approaches to parallel or near parallel instrument runways where radar separation minima between aircraft on adjacent extended runway centre lines are not prescribedicao doc4444 pans atm chapter 6 separation in the vicinity of aerodromes 67323 when vectoring to intercept the ils localizer course or mls final approach track the final vector shall enable the aircraft to intercept the ils localizer course or mls final approach track at an angle not greater than 30 degrees and to provide at least 2 km 10 nm straight and level flight prior to ils localizer course or mls final approach track intercept the vector shall also enable the aircraft to be established on the ils localizer course or mls final approach track in level flight for at least 37 km 20 nm prior to intercepting the ils glide path or specified mls elevation angle the other question is about separation between aircraft here is the question a minimum radar separation shall be provided until aircraft are established inbound on the ils localizer course andor mls final approach track this minimum is when independent parallel approaches are being conducted 30 nm

Question 18-3 : When radar identification of aircraft has been achieved the radar controller shall ?

Question 18-4 : When 'secondary radar' is used an aircraft may be identified by one of the following procedures ?

Observation of compliance with an instruction to operate transponder from 'on' to 'stby' and back to 'on'.

Question 18-5 : When surveillance radar approaches are to be continued to the threshold of the runway transmission should not be interrupted for intervals of more than five seconds while the aircraft is within a distance of ?

4 nm from the touchdown.

Approach surveillance radar sra is an aviation term for a type of radar instrument approach provided with active assistance from air traffic control the only airborne radio equipment required for radar approaches is a functioning radio transmitter and receiver the radar controller vectors the aircraft to align it with the runway centerline the controller continues the vectors to keep the aircraft on course until the pilot can complete the approach and landing by visual reference to the surfaceicao annex 4444 air traffic management pans atm chapter 8 ats surveillance services 897 final approach procedures 8971 surveillance radar approach89714 when as determined by the appropriate ats authority the accuracy of the radar equipment permits surveillance radar approaches may be continued to the threshold of the runway or to a prescribed point less than 4 km 2 nm from touchdown in which case a distance and level information shall be given at each km each half nm b transmission should not be interrupted for intervals of more than five seconds while the aircraft is within a distance of 8 km 4 nm from touchdown c the controller should not be responsible for any duties other than those directly connected with a particular approach

Question 18-6 : When vectoring an aircraft to intercept the localizer course the final vector furnished shall be such as to enable the aircraft to intercept the localizer course at an angle not greater than ?

30 degrees.

Pans atm doc 4444 chapter 6 separation in the vicinity of aerodromes 67323 when vectoring to intercept the ils localizer course or mls final approach track the final vector shall enable the aircraft to intercept the ils localizer course or mls final approach track at an angle not greater than 30 degrees and to provide at least 2 km 10 nm straight and level flight prior to ils localizer course or mls final approach track intercept the vector shall also enable the aircraft to be established on the ils localizer course or mls final approach track in level flight for at least 37 km 20 nm prior to intercepting the ils glide path or specified mls elevation angle

Question 18-7 : Whenever atis is provided the preparation and dissemination of the atis message shall be the responsibility of ?

The air traffic services.

Question 18-8 : Where a 'secondary surveillance radar' ssr is not available radar identification may be achieved by one of the following procedures ?

To instruct the pilot to execute one or more changes of 30° or more.

Pans atm doc 4444 8624 psr identification procedures psr = primary surveillance radar 86241 where psr is used for identification aircraft may be identified by one or more of the following procedures d by ascertaining the aircraft heading if circumstances require and following a period of track observation instructing the pilot to execute one or more changes of heading of 30 degrees or more and correlating the movements of one particular radar position indication with the aircraft's acknowledged execution of the instructions given or correlating the movements of a particular radar position indication with manoeuvres currently executed by an aircraft having so reportedprimary surveillance radar psr a surveillance radar system which uses reflected radio signalssecondary surveillance radar ssr a surveillance radar system which uses transmittersreceivers interrogators and transponders

Question 18-9 : Which action shall be taken by an aircraft in the traffic pattern of an aerodrome experiencing radio failure to indicate difficulties which compel it to land without requiring immediate assistance ?

The repeated switching on and off of the landing lights.

Question 18-10 : Which condition is requested so that an aerodrome may be considered controlled ?

The aerodrome shall be provided with a control tower.

Icao requirement to be a controlled aerodrome an aerodrome must have a control tower

Question 18-11 : Which does atc term 'radar contact' signify ?

Your aircraft has been identified on the radar display and radar flight instructions will be provided until radar identification is terminated.

Question 18-12 : Which of the following statements regarding alerting service is correct ?

Alerting service and flight information service may be provided by the same ats unit.

Annex 11 air traffic services definition alerting service a service provided to notify appropriate organizations regarding aircraft in need of search and rescue aid and assist such organizations as requiredflight information service a service provided for the purpose of giving advice and information useful for the safe and efficient conduct of flights annex 11 air traffic services 22 objectives of the air traffic services the objectives of the air traffic services shall be to a prevent collisions between aircraft b prevent collisions between aircraft on the manoeuvring area and obstructions on that area c expedite and maintain an orderly flow of air traffic d provide advice and information useful for the safe and efficient conduct of flights e notify appropriate organizations regarding aircraft in need of search and rescue aid and assist such organizations as required

Question 18-13 : Which provisions on a vfr flight in class e airspace are correct ?

Service provided traffic information as far as practical atc clearance not required.

Question 18-14 : Which statement is correct ?

The lower limit of a tma shall be established at a height of at least 700 ft agl.

A terminal control area tma is a control area normally established where airways andor departure and arrival routes meet in the vicinity of one or more major aerodromes 757annex 11 air traffic services2103 control areas21031 control areas including inter alia airways and terminal control areas shall be delineated so as to encompass sufficient airspace to contain the flight paths of those ifr flights or portions thereof to which it is desired to provide the applicable parts of the air traffic control service taking into account the capabilities of the navigation aids normally used inthat areanote in a control area other than one formed by a system of airways a system of routes may be established to facilitate the provision of air traffic control21032 a lower limit of a control area shall be established at a height above the ground or water of not less than 200 m 700 ft

Question 18-15 : Which statement regarding approach control service is correct ?

If it is anticipated that an aircraft has to hold for 30 minutes or more an expected approach time will be transmitted by the most expeditious means to the aircraft.

An expected approach time shall be transmitted to aircraft by the most expeditious means if it is anticipated that the aircraft will be subjected to a delay of ten minutes or more or will have to enter the holding pattern for 30 minutes or more

Question 18-16 : While on ifr flight a pilot has an emergency which causes a deviation from an atc clearance what action must be taken ?

The appropriate atc unit shall be notified of the action taken as soon as circumstances permit.

Question 18-17 : Communications failure flight proceduresyou are on a flight in accordance with ifr in imc exactly on the current flight plan routeat 18 36 utc you receive and acknowledge the following instruction from the radar controller 'turn immediately fly heading 050° until further advised'at 18 37 utc you ?

Question 18-18 : You receive an ifr enroute clearance stating 'clearance expires at 0920' what does it mean ?

If not airborne until 0920 a new clearance has to be issued.

Question 18-19 : Air traffic controle serviceair traffic control units issue clearances for the purpose of ?

Question 18-20 : The purpose of the ntz is to ?

Protect aircraft that are carrying out independent parallel approaches.

Pans atm doc 4444 definitions no transgression zone ntz a corridor of airspace of defined dimensions located centrally between the two extended runway centre lines where a penetration by an aircraft requires the intervention of a monitoring radar controller to manoeuvre any threatened aircraft on the adjacent approachpans atm doc 4444 6732 requirements and procedures for independent parallel approaches67321 independent parallel approaches may be conducted to parallel runways provided that g a no transgression zone ntz at least 610 m 2 000 ft wide is established equidistant between extended runway centre lines and is depicted on the situation display

Question 18-21 : When datalink communication are used accuracy of clock should be ?

1 second of utc.

Annex 11 air traffic services 226 time in air traffic services 2263 air traffic services unit clocks and other time recording devices shall be checked as necessary to ensure correct time to within plus or minus 30 seconds of utc wherever data link communications are utilized by an air traffic services unit clocks and other time recording devices shall be checked as necessary to ensure correct time to within 1 second of utc

Question 18-22 : When in air space where vfr is permitted the pilot in command of an ifr flight wishes to continue his flight in accordance with visual flight rules until the destination is reached 1 he must informs the control unit 'cancel ifr' 2 he must request and obtain clearance3 he may request his ifr ?

1 and 4.

Doc 4444 icao 45 traffic control clearances 48 change from ifr to vfr flight481 change from instrument flight rules ifr flight to visual flight rules vfr flight is only acceptable when a message initiated by the pilot in command containing the specific expression cancelling my ifr flight together with the changes if any to be made to the current flight plan is received by an air traffic services unit no invitation to change from ifr flight to vfr flight is to be made either directly or by inference482 no reply other than the acknowledgment ifr flight cancelled at time should normally be made by an air traffic services unit483 when an ats unit is in possession of information that instrument meteorological conditions are likely to be encountered along the route of flight a pilot changing from ifr flight to vfr flight should if practicable be so advised

Question 18-23 : An ats route designator ?

Has a maximum of six characters.

Ecqb04 october 2017icao annex 11 air traffic services 2 composition of designator 21 the ats route designator shall consist of a basic designator supplemented if necessary by a one prefix as prescribed in 23 andb one additional letter as prescribed in 24211 the number of characters required to compose the designator shall not exceed six characters

Question 18-24 : Define the term 'psr' ?

Primary surveillance radar.

Ecqb04 october 2017secondary surveillance radar ssr a surveillance radar system which uses transmittersreceivers interrogators and transpondersprimary surveillance radar psr a surveillance radar system which uses reflected radio signals

Question 18-25 : 'traffic to which the provision of atc is applicable but which in relation to a particular controlled flight is not separated therefrom by the minima set forth' is called ?

Essential traffic.

Ecqb04 october 2017pans atm doc4444 510 essential traffic information5101 general51011 essential traffic is that controlled traffic to which the provision of separation by atc is applicable but which in relation to a particular controlled flight is not or will not be separated from other controlled traffic by the appropriate separation minimum51012 essential traffic information shall be given to controlled flights concerned whenever they constitute essential traffic to each other

Question 18-26 : In class f airspace advisory service may be provided to ?

Ifr flights only.

Ecqb04 november 2017annex 11 air traffic services official table 740

Question 18-27 : Transition altitude 3000ft qnh 990 hpa calculate the transition level ?

Fl40.

Ecqb04 november 2017first calculate difference between 990 and 1013 = 23 hpa23 x 27 fthpa= 621 ftat the transition layer we need to round to the highest 1000ft3000 + 621 = 3621 ft closest level rounding 1000ft is fl40

Question 18-28 : Clearance limit is a point ?

To which a specific clearance is valid.

Ecqb04 november 2017

Question 18-29 : A special air report shall be made ?

When experiencing severe icing or severe turbulence.

Question 18-30 : A controlled flight operating under ifr passes a designated compulsory reporting point on the route in accordance with icao annex 2 rules of the air the pilot shall report to air traffic control the… ?

Time and level.

Icao doc 8168chapter 4 general provisions for air traffic services4112 contents of voice position reports41121 the position reports required by 41111 and 41112 shall contain the following elements of information except that elements d e and f may be omitted from position reports transmitted by radiotelephony when so prescribed on the basis of regional air navigation agreements a aircraft identification b position c time d flight level or altitude including passing level and cleared level if not maintaining the cleared level e next position and time over andf ensuing significant point

Question 18-31 : What is the vertical separation minimum between fl290 and fl410 in rvsm airspace ?

300 m 1000 ft.

Descriptiona program was initiated by icao in 1982 involving worldwide studies to assess the feasibility of a reduction of the vertical separation minima vsm above fl290 from 2000 feet to 1000 feetthe principal benefits which the implementation of the reduced vsm were expected to provide were a theoretical doubling of the airspace capacity between fl290 and fl410 andthe opportunity for aircraft to operate at closer to the optimum flight levels with the resulting fuel economiesseparation standards within rvsm airspacewithin rvsmairspace between fl290 and fl410 inclusive the vertical separation minimum is 1000 ft 300 m between rvsm approved aircraft and2000 ft 600 m between non rvsm approved state aircraft and any other aircraft operating within rvsm airspace2000 ft 600 m between non rvsm aircraft operating as general air traffic gat and any other aircraft within rvsm airspacelearning objective 01007021206 state the required vertical separation minimum

Question 18-32 : According to icao doc 8168 pans ops consecutive flight levels are separated by a pressure interval that corresponds to at least 1 ft in the standard atmosphere what is the correct value at 1 ?

Question 18-33 : When shall the number of the transition level be obtained by the crew of a flight intending to land ?

Before starting the initial approach to an aerodrome.

Important note based on reports received before starting the initial approach to an aerodrome is considered correct while before descending below the transition level is incorrect we apologize for not being able to provide an explanation as to why easa favors this answer as both answers could be correct based on the regulation below we will keep you informed if we receive any further information on this mattericao doc 4444 chapter 4 general provisions for air traffic services4104 provision of altimeter setting information 41041 appropriate ats units shall at all times have available for transmission to aircraft in flight on request the information required to determine the lowest flight level which will ensure adequate terrain clearance on routes or segments of routes for which this information is requirednote— if so prescribed on the basis of regional air navigation agreements this information may consist of climatological data41042 flight information centres and accs shall have available for transmission to aircraft on request an appropriate number of qnh reports or forecast pressures for the firs and control areas for which they are responsible and for those adjacent41043 the flight crew shall be provided with the transition level in due time prior to reaching it during descent this may be accomplished by voice communications atis broadcast or data link41044 the transition level shall be included in approach clearances when so prescribed by the appropriate authority or requested by the pilot

Question 18-34 : What is the minimum radius a control zone shall extend from the aerodrome reference point ?

5 nm.

Icao annex 11295 control zones2951 the lateral limits of control zones shall encompass at least those portions of the airspace which are not within control areas containing the paths of ifr flights arriving at and departing from aerodromes to be used under instrument meteorological conditionsnote— aircraft holding in the vicinity of aerodromes are considered as arriving aircraft2952 the lateral limits of a control zone shall extend to at least 93 km 5 nm from the centre of the aerodrome or aerodromes concerned in the directions from which approaches may be madenote— a control zone may include two or more aerodromes situated close togethernote control zone a controlled airspace extending upwards from the surface of the earth to a specified upper limitaerodrome reference point the designated geographical location of an aerodrome

Question 18-35 : For an aerodrome in controlled airspace class c atc provides separation… ?

Between flights under ifr and between ifr and vfr flights but does not provide separation between flights under vfr.

Ifr flights only are permitted all flights are provided with atc services and are separated from each otherclass b ifr and vfr flights are permitted all flights are provided with atc service and are separated from each otherclass c ifr and vfr flights are permitted all flights are provided with atc service and ifr flights are separated from other ifr flights and from vfr flights vfr flights are separated from ifr flights and receive traffic information in respect of other vfr flightsclass d ifr and vfr flights are permitted and all flights are provided with atc service ifr flights are separated from other ifr flights and receive traffic information in respect of vfr flights vfr flights receive traffic information in respect of all other flightsclass e ifr and vfr flights are permitted ifr flights are provided with atc service and are separated from other ifr flights all flights receive traffic information as far as is practical class e shall not be used for control zonesclass f ifr and vfr flights are permitted all participating ifr flights receive an air traffic advisory service and all flights receive flight information service if requestedclass g ifr and vfr flights are permitted and receive flight information service if requested

Question 18-36 : In which airspace classes shall an air traffic control service for all vfr flights be provided ?

B c and d.

Classification of airspaces class a ifr flights only are permitted all flights are provided with atc services and are separated from each otherclass b ifr and vfr flights are permitted all flights are provided with atc service and are separated from each otherclass c ifr and vfr flights are permitted all flights are provided with atc service and ifr flights are separated from other ifr flights and from vfr flights vfr flights are separated from ifr flights and receive traffic information in respect of other vfr flightsclass d ifr and vfr flights are permitted and all flights are provided with atc service ifr flights are separated from other ifr flights and receive traffic information in respect of vfr flights vfr flights receive traffic information in respect of all other flightsclass e ifr and vfr flights are permitted ifr flights are provided with atc service and are separated from other ifr flights all flights receive traffic information as far as is practical class e shall not be used for control zonesclass f ifr and vfr flights are permitted all participating ifr flights receive an air traffic advisory service and all flights receive flight information service if requestedclass g ifr and vfr flights are permitted and receive flight information service if requested

Question 18-37 : In which airspace classes shall an air traffic control service for all ifr flights be provided ?

A b c d and e.

Classification of airspaces class a ifr flights only are permitted all flights are provided with atc services and are separated from each otherclass b ifr and vfr flights are permitted all flights are provided with atc service and are separated from each otherclass c ifr and vfr flights are permitted all flights are provided with atc service and ifr flights are separated from other ifr flights and from vfr flights vfr flights are separated from ifr flights and receive traffic information in respect of other vfr flightsclass d ifr and vfr flights are permitted and all flights are provided with atc service ifr flights are separated from other ifr flights and receive traffic information in respect of vfr flights vfr flights receive traffic information in respect of all other flightsclass e ifr and vfr flights are permitted ifr flights are provided with atc service and are separated from other ifr flights all flights receive traffic information as far as is practical class e shall not be used for control zonesclass f ifr and vfr flights are permitted all participating ifr flights receive an air traffic advisory service and all flights receive flight information service if requestedclass g ifr and vfr flights are permitted and receive flight information service if requested

Question 18-38 : Which of the following elements shall be included in an atis message that contains both arrival and departure information ?

Qnh.

Icao annex 11 437 atis for arriving and departing aircraftatis messages containing both arrival and departure information shall contain the following elements of information in the order listed r altimeter setting s

Question 18-39 : What are the three stages for an aircraft considered to be in a state of emergency ?

Uncertainty alert and distress.

Icao doc 4444chapter 1 definitionsemergency phase a generic term meaning as the case may be uncertainty phase alert phase or distress phase uncertainty phase a situation wherein uncertainty exists as to the safety of an aircraft and its occupants incerfa the code word used to designate an uncertainty phase alert phase a situation wherein apprehension exists as to the safety of an aircraft and its occupants alerfa the code word used to designate an alert phase distress phase a situation wherein there is reasonable certainty that an aircraft and its occupants are threatened by grave and imminent danger or require immediate assistance detresfa the code word used to designate a distress phase

Question 18-40 : When does a clearance issued by an atc unit include the prevention of collision with terrain ?

When radar vectoring an ifr flight.

Icao doc 8168411 pilot’s responsibilitythe pilot in command is responsible for the safety of the operation and the safety of the aeroplane and of all persons on board during flight time annex 6 451 this includes responsibility for obstacle clearance except when an ifr flight is being vectored by radaricao doc 4444865 vectoring8652 when vectoring an ifr flight and when giving an ifr flight a direct routing which takes the aircraft off an ats route the controller shall issue clearances such that the prescribed obstacle clearance will exist at all times until the aircraft reaches the point where the pilot will resume own navigation when necessary the relevant minimum vectoring altitude shall include a correction for low temperature effect