Guidelines
1. Install IVAO Controller Radar Client and Download the Sector Files;
2. IVAO Ratings reflect the amount of practice that you have completed, based on time spent at the radar scope and number of successfully completed exams;
3. Facility Rating Assignment restricts the ATC Positions with required ATC ratings in order to provide quality service;
ATC Dashboard is the best assistant for advance controllers.
General
The purpose of this document is to ensure that quality service is provided at all times in HK airspace, and also so that a controller will never find himself submerged, and unable to cope.
It is mandatory for all IVAO members controlling a HK position to follow these guidelines. Users who do not comply may be asked to close their position.
The guidelines
- English is the only language used for aviation in the HK and must be used at all times;
- Active controllers should be able to use all functions of IvAc, and have read the manual thoroughly;
- All controllers must populate their ATIS with the following information:
– Position Callsign (Full name, not ICAO code. e.g. ‘Hong Kong Radar’, not HKG_CTR)
– Voice channel (if applicable)
– Weather / runway information / TA/TL (if applicable)
– No unnecessary remarks in the remarks section - All controllers must use standard HK phraseology at all times;
- When available, controllers should read and understand the appropriate airport/sector procedures before logging on. If you should have any doubts please do not hesitate to contact the ATC Operations Coordinator or the Division Director;
- Controllers are required to equip all applicable charts and sector/unit procedures available while on duty;
- Controllers must make proper use of all datatag labels (F5 = cleared waypoint, F7 = cleared speed, and F8 = cleared altitude) at all times. The cleared waypoint (F5) field is only to be used for the appropriate intention code.
In addition to the above controllers are required to meet the requirements set out in the position SOPs.
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DEL
Description
The Clearance delivery controller is responsible for providing departing aircraft with their IFR clearance. It is not something to be taken lightly. The smooth flow of all traffic depends on these clearances. If a clearance is incorrect another controller down the line will have to amend it, and potentially distract the pilot from his flying, while if the error would have been corrected before take-off the pilot would have had all the time to amend his plan, and not have anything to worry about when in the air.
In light of the above respecting the following guidelines is essential.
What you need to know
In addition to the general guidelines a Clearance delivery controller must:
- Understand the basics of verifying accuracy of flight plans;
- Be able to issue an IFR clearance with Appropriate SID. (For more information of SID, refer to ADC Training Materials)
- Understand the RVSM Altitude assignment system;
- Understand, and apply minimum routing restrictions whenever published.
Procedures
Firstly you’ll need the following information:
- The sector file for the given airport;
- As a minimum the SID charts for the given airport, though we recommend you download the complete collection. (Which will be available from HKAIP/Jeppesen/Navtech)
In the real world some commercial traffic at large airports receive IFR clearance electronically via ACARS, and rarely exchange more than a few words with the clearance controller. On IVAO we can’t do it this way yet (although a datalink system is currently being created), instead we use the following procedures.
Elements of a Clearance:
A Clearance shall include the following items:
- Aircraft Identification
- Clearance Limit
- Route
- Levels of flight and changes of levels
- Squawk (If Applicable)
e.g : Cathay 402, you are cleared to Taipei as filed via OCEAN 2 Alpha Departure, Initial climb 5000ft, squawk 5301.
The following items may also be added:
- ATFM Slots (Air Traffic Flow Management)
- Communications instructions
- Any special instructions ( from TMA/ENR Controller )
Allocation of cruising levels:
Normally, the cruising level in the Flight plan is to be allocated. If that level is not available, the nearest appropriate level should be allocated.
Above FL195 in class C airspace (Airways) the semi-circular rule shall apply. Flight levels 200, 220, 240, 260 and 280 shall be westbound; Flight levels 210, 230, 250, and 270 shall be eastbound.
Cruising levels at or above FL290 up to FL410 within RVSM airspace:
Westbound | Eastbound |
410 | |
400 | |
390 | |
380 | |
370 | |
360 | |
350 | |
340 | |
330 | |
320 | |
310 | |
300 | |
290 |
Squawk:
The 4-digit code the pilot sets his transponder to so that controllers can identify him on radar. There are various schemes for allocating squawk codes, some quite complicated using different code ranges depending on outbound track, level, etc and there are ranges in certain countries reserved for military low-level, air ambulance, search and rescue, police operation etc. However, when controlling on IVAO in the UK division, the only requirement is that each aircraft is allocated a unique code (or at least unique in the surrounding airspace) so that it can be positively identified on radar.
You may find that adjacent controllers always use the same range of codes (as in the real world) – so pick a range you will use and issue the first one to the first aircraft you clear and increment it for each subsequent aircraft. Remember that squawk codes are 4-digit octal numbers, so each digit can only be 0-7. Do not use any of the emergency codes (7500, 7600, 7700).
*Please enter ATC Dashboard for the latest SSR Code Allocation in Hong Kong FIR.
IvAc settings
Another obligation on IVAO is to update the cleared waypoint and cleared altitude of the aircraft. The format to be used is as follows:
In Cleared Altitude/FL (F8) enter the initial altitude assigned in the clearance/SID;
In Cleared Waypoint (F5) enter the assigned SID for corresponding aircraft.
As a clearance controller, we recommend you set your altitude filter to 000 <-> 030.
Set your IN/OUT box to only display traffic departing the airport you are covering (e.g. VHHH/VMMC/VHHX). Set your ATC list to show all facilities of the airport you are covering as well as the appropriate area sector.
GND
Description
Ground Movement controllers are responsible for issuing information and instructions to aircraft under their control to achieve a safe, orderly and expeditious flow of air traffic and to assist pilots in preventing collisions between aircraft moving on the apron and aircraft and vehicles, obstructions and other aircraft on the manoeuvring area (excluding the runways and their access points).
Apron – The part of an aerodrome provided for the stationing of aircraft for the embarkation and disembarkation of passengers, for loading and unloading of cargo and for parking.
Manoeuvring Area – The part of an aerodrome provided for the take-off and landing of aircraft and for the movement of aircraft on the surface excluding the apron and any part of the aerodrome provided for the maintenance of aircraft.
Ground controllers will also issue IFR clearances when Delivery is not open, or doesn’t exist at the airport.
In short the job of a Ground controller is to get aircraft from the aprons to the runways and back safely, with minimal delay. In conditions of low visibility they may be called upon to provide guided taxi, though one must be very careful as some scenery won’t match perfectly with your sector file.
What you need to know
In addition to the general guidelines an Apron or Ground controller must:
- Be familiar with the Clearance delivery SOP;
- Be able to provide taxi clearances in accordance with UK phraseology documentation;
- Be familiar with the taxiway layout of the given airport;
- When applicable be familiar with which airlines/aircraft use which gates.
Procedures
Firstly you’ll need the following information:
- The sector file for the given airport;
- As a minimum the SID and ground movement charts for the given airport, though we recommend you download the complete collection.
The movements of aircraft, persons or vehicles on the menoeuvring area and the movement of aircraft on the apron are at all times subject to permission from the Ground Movement Controller. Responsibility on the apron is limited to providing advice and instructions to assist prevention of collisions between moving aircraft.
Vehicles that are moving along a taxiway shall give way at all times to aircraft taxying except emergency services vehicles providing assistance to an aircraft in distress.
Pushback:
Aircraft will contact for pushback. This action will have to be approved, with supplementary instructions if required (e.g. “Push back approved facing east, after the Company Boeing 737 crosses from left to right”). In Hong Kong pushback is always “Approved” but not “Cleared”.
Example:
CPA084: Ground, Cathay 084 request push and start.
HKGND: Cathay 084, push and start approved facing west.
CPA084: push and start approved facing west, 084
Taxi:
When the pilot of an aircraft requests start-up or taxi, the following information shall be given:
- Runway in use
- Surface wind direction and speed
- QNH
- Outside Air Temperature (Turbine-engine aircraft only)
- Significant Meteorological Conditions (E.G, RVR, Marked Temperature Inversion)
The items which are known to have been received (except the QNH) may be omitted.
(If the pilot calls up and says he has “information Alpha”, we can assume he already knows the runway in use, surface wind, air temperature and significant met conditions because they are on the ATIS).
The QNH should always be given again in a taxi clearance.
It is important that taxi instructions are clear and concise. The visibility from a flight deck is limited so the pilot is dependant to a large degree upon Ground control to assist him in determining the correct taxi route to be followed.
Heavy aircraft are not to be given instructions that would require the use of more than normal power for taxying.
In the interests of safety, use of the active runway for taxying purposes is to be kept to a minimum. If this can not be avoided, then a clearance to cross should normally be withheld until no conflict exists. A Conditional clearance may be used to achieve greater efficiency of operation:(which should be coordinate with TWR controller)
“After the landing British airways 737, at J3, cross 25L, report vacated”
Visual Control
With the release of IvAi, which enables you to use your flight simulator to control visually, ground control can become extremely realistic, especially as you will most likely see exactly where the aircraft is located as there are no sector errors. On the other hand FS scenery becomes an issue, so always interpret what you see with a pinch of salt. If tower is also using IvAi there is no need to relay runway vacating messages.
IvAc
As a ground controller, we recommend you set your altitude filter to 000 <-> 030
Set your IN/OUT box to only display traffic arriving and departing the airport you are covering (e.g. EGSS). Set your ATC list to show all facilities of the airport you are covering as well as the appropriate area sector.
TWR
Description
Tower controllers are responsible for issuing information and instructions to aircraft under their control to achieve a safe, orderly and expeditious flow of air traffic and to assist pilots in preventing collisions between aircraft flying in, and in the vicinity of the aerodrome traffic zone and aircraft taking off and landing.
In the absence of Ground and delivery controllers, Tower controllers will complete the tasks detailed in the Ground Movement Control and Delivery SOP’s.
It’s the Tower controller that defines the active runways for a given airport, and ultimately decides who lands on which runway. The tower controls the upflow of traffic into controlled airspace, and is an essential link in the chain of Air Traffic services. It is essential for Tower controllers to maintain constant contact with the Approach Radar/Area controller, as well as ground/delivery.
What you need to know
In addition to the general guidelines a Tower controller must:
- Be familiar with the Clearance delivery SOP;
- Be familiar with the Ground control SOP;
- Understand the different airspace divisions around the airport;
- Understand any preferential runway assignments;
- Understand noise abatement procedures when applicable;
- Know all separation minima for arriving/departing traffic.
Procedures
Firstly you’ll need the following information:
- The sector file for the given airport;
- The complete collection of charts for the selected airport.
The term “runway-in-use” is used to indicate the particular runway or landing direction selected as the most suitable. Normally, it should be the runway most closely aligned to the surface wind direction. (Aircraft take-off into the wind) Where the surface wind conditions are light and variable, the 2000ft wind should be taken into account.
When selecting the runway-in-use, other factors such as traffic pattern, the length of runways or landing runs and the approach aids available should be taken into account. At certain aerodromes more than one runway may be in use at any one time (Heathrow for example).
Should a change of runway be necessary, Tower must inform approach control, area control, and aircraft under their control.
If ground is online traffic will be handed over at or shortly before the holding position for the selected runway. If no ground is online aircraft should give you a call just before, or after pushback. In this situation you would assume the duties of the Ground controller.
Line-up instructions may be issued to more than one aircraft at different points on the same or crossing runways provided that:
- It is during daylight hours.
- Aircraft are continuously visible to the tower controller.
- Aircraft are on the same RT frequency.
- Pilots are advised of the number of aircraft ahead in the sequence and the position/runway from which these aircraft will depart.
- The physical characteristics of the runway do not render preceding aircraft in the departure sequence invisible to the succeeding aircraft on the same runway.
When line-up will take place at a position other than for a full-length runway departure the intermediate “holding point” designator shall be included in the line-up instruction.
The tower controller is responsible for issuing take-off clearance and advising pilots of any variations to the surface wind or other significant changes to met conditions. (In the real world, a 2 minute wind average is passed to pilots – For the purpose of IVAO, the wind indicated in the METAR should be passed unless the pilot requests an Instant wind read out. In this case, the wind indicated in the box also displaying the QNH should be passed, with the word “instant” preceeding it.
You should always contain the runway designator with the takeoff clearence.
Example:
HK TWR: Dragonair 762, surface wind 090 degrees at 11 knots, runway 07R, clear for takeoff.
Take-off clearance may be issued when aircraft is at or approaching the holding point for a runway.
If the take-off clearance has to be cancelled before the take-off run has commenced, the pilot shall be instructed to hold position and acknowledge the instruction. “BAW754, hold position, Cancel take-off – I say again, BAW754 cancel takeoff acknowledge”.
If the take-off run has commenced and there is an important safety reason as to why the aircraft cannot take off, the pilot shall be instructed to stop immediately. “BAW754, stop immediately – I say again BAW754, stop immediately – acknowledge”.
Some phraseology examples:
“BEE5666, via A1, line up runway 26”
“KLM754, via A1, line up runway 23, there will be a company 737 departing ahead of you from A3”
“KLM234, via A3, line up runway 23, there will be a company 737 on the runway departing after you from A1”
“BAW1887, runway 27L, cleared for take-off, surface wind 280 degrees 6 knots”
“IBE266, Cleared for take-off, surface wind 180 degrees 18 knots”
If for any reason, you need an aircraft to take off immediately, the instruction “Cleared for immediate take-off” may be added. It is expected that the pilot will act as follows:
- At the holding point, taxi immediately onto the runway and commence take-off without stopping the aircraft (Not to be used with heavy aircraft).
- If already lined up on the runway, take-off without delay.
You should always ask the pilot before giving the clearance if he is able to accept an immediate take-off.
Aircraft should be handed off to the next sector once airborne, preferably no later than 2000ft.
IFR Inbounds:
When multiple runways are in use, the landing runway clearance shall include the runway designator.
“Runway 25L, cleared to land, surface wind 250 degrees 8 knots”.
Unless specific procedures have been approved, a landing aircraft shall not be permitted to cross the beginning of the runway on its final approach until a preceding aircraft, departing from the same runway, is airborne.
In the real world, a 2 minute wind average is passed to pilots – For the purpose of IVAO, the wind indicated in the METAR should be passed unless the pilot requests an Instant wind read out. In this case, the wind indicated in the box also displaying the QNH should be passed, with the word “instant” preceeding it.
Missed Approach:
If the runway is occupied by another aircraft or vehicle when an aircraft is on final approach, it must be instructed to carry out a missed approach. The correct phraseology to be used:
“FCA634C, go around, proceed missed approach procedure, climb and maintain 5000.”
“Going around, FCA634C”
Aircraft should then be told to follow the published missed approach procedure, or an alternative clearence given which has been provided by the approach controller.
“FCA634C, contact Hong Kong Approach 119.100”
Ensure you inform the Approach controller as soon as the aircraft begins the missed approach procedure.
Visual Control
With the release of IvAi, which enables you to use your flight simulator to control visually ground control can become extremely realistic, especially as you will most likely see exactly where the aircraft is located as there are no sector errors. On the other hand FS scenery becomes an issue, so always interpret what you see with a pinch of salt as far as aircraft on the ground are concerned.
IvAc settings
We recommend you switch Ground detail, VORs, NDBs and Runway centrelines on.
Set your altitude filter to the top of your Aerodrome Traffic Zone + 1500ft (e.g. ATZ is SFC-2000; you would set the filter to SFC-3500ft), and use a range between 12 and 25nm.
APP
Description
An approach control service is an ATC service for any aircraft which is not recieving an aerodrome control service which is flying in or in the vicinity of the ATZ of that aerodrome whether or not the aircraft is flying by visual reference to the surface.
In the absence of any aerdrome control, Approach controllers will complete the tasks detailed in the Delivery, Ground and Tower SOP’s
Area of responsibility
The Approach controller is responsible for all aircraft within approximately 40nm of the airport, up to a specified upper limit.
What you need to know
In addition to the general guidelines, a Centre controller must:
- Be familiar with the clearance delivery SOP
- Be familiar wih the Ground Control SOP
- Be familiar with the Tower control SOP
- Know the local procedures for the airport(s) being controlled
- Understand the airspace divisions
- Know all SIDS and STARS and when to use them
- Understand the principles of vectoring and sequencing aircraft
- Understand noise abatement procedures where applicable
- Know and understand the seperation minima
Procedures
Co-ordination
Approach control shall co-ordinate with aerodrome control:
- aircraft approaching to land; if necessart requesting a landing clearance
- arriving aircraft which are cleared to visual holding points
- aircraft routeing through the traffic circuit
- Aerodrome control shall co-ordinate with approach control:
departing IFR flights- arriving aircraft which make their first call on the tower frequency
Transfer of Control
IFR flights operating with visual reference to the surface may be transferred to aerodrome control:
- When an aircraft carrying out an instrument approach has become number 1 to land, and for the following aircraft when they are established on final approach and have been provided with the appropriate seperation from preceding aircraft
- Aircraft operating in the traffic circuit
- Aircraft approaching visually below all cloud when the aerodrome visibility is 10km or more
Transfer of communication
Approach may instruct IFR flights to establish communication with aerodrome when the aircraft has become number one to land and for following aircraft, when they are established on final approach and have been provided with appropriate seperation. Until those aircraft are flying with visual reference to the surface though, the responsibility for seperation between them is still with approach control. Aerodrome control cannot issue any instructions at that point which would reduce the seperation established by approach control.
Weather Information
As early as possible, the approach radar controller shall transmit the latest weather observations to aircraft on approach, except when this information has already been passed by another unit, or the pilot indicates that he has received it from the ATIS broadcast.
Obstacle Clearance
Obstacle clearance criteria are detailed on aerodrome approach charts. These must be adheard to.
Information to aircraft
On commencement of radar vectoring to final approach the pilot is to be advised that he will be radar vectored to intercept the final approach and of:
- runway in use
- type of final approach
- procedure to be followed in the event of a radio comms fail if it is not published
Aircraft receiving a surveillance radar approach shall be given:
- angle of the descent path
- radar termination range
Terrain Clearance
RVA and RMACs indicate the minimum altitudes available to controllers when vectoring aircraft. Controllers should not use altitudes below those notified on the charts except when levels are allocated in accordance with specific procedures that are approved for use within the final approach area.
To avoid generating GPWS nuisance warnings, minimum altitudes higher than the terrain clearance minimum should be used.
Final Approach
Aircraft should not be vectored so as to be established on final approach less then 5nm from touchdown.
If it is necessary to vector an aircraft through the final approach track, the pilot should be notified.
Precision Approaches
Aircraft shall be vectored onto the localiser course or onto an appropriate (30 – 40 degrees) closing heading to enable the pilot to complete the turn onto the final approach track. The pilot should be instructed to report established on the localiser. When they do, they shall be cleared to descend on the glidepath or given an alternative clearance.
Non precision approaches
Controllers shall vector aircraft onto the final approach track or a heading to close at an angle not greater than 40 degrees offset. Whenever possible, the aircraft is to be established on the final approach track before the final approach fix to enable it to cross the final approach fix at the altitude/height specified in the notified procedure.
For procedures that are not supported by a DME, the controller shall pass a range check before clearing the aircraft for an approach. If a procedure is supported by a DME, a range check does not have to be passed at this time.
Visual Approach
To expedite traffic, IFR flights may be authorised to execute a visual approach if the pilot reports that he can maintain visual reference to the surface and:
- cloud ceiling is not below the initial approach level
- the pilot reports at any time after commencing the approach that the visibility will permit a visual approach and landing, and a reasonable assurance exists that this can be accomplished.
Standard seperation between such aircraft and others shall still be applied.
Speed Control
Controllers may request pilots to increase or decrease speed in order to maintain separation and spacing between successive landing aircraft. Speed adjustments shall not be requested or applied after the aircraft has passed a point 4nm from the threshold on final approach. Controllers shall advise pilots when speed control is no longer required.
VFR and Special VFR flights
When sequencing of IFR flights is in operation, sufficient information is to be passed to pilots of VFR and Special VFR flights to enable them to integrate safely into the landing sequence. If it is necessary for a VFR flight to be given a radar vector, or specific routeing instructions, the pilot shall be instructed to advise the controller if the routeing or vector will prevent the pilot from remaining in VMC. If it is necessary for a Special VFR flight to be given radar vectors to establish it in the landing sequence, controllers shall ensure that vectors given do not preclude the responsibility for the pilot to remain clear of cloud and in sight of the surface and keep clear of obstacles by visual reference to the surface.
Surveillance Radar Approaches (SRA)
Aircraft making an SRA shall be reminded when on final approach to check their wheels.
The ranges at which SRAs terminate will vary.
SRA terminating at 2 miles:
- Advisory heights through which the aircraft should be passing to maintain the glide path, and ranges from touchdown, should be passed at each mile
- Instructed to check minimum descent height one mile before advisory heights are discontinued
- Advisory heights discontinued at one above the highest OCH
SRA terminating at less than 2 miles:
- Advisory heights through which the aircraft should be passing to maintain the glide path, and ranges from touchdown, should be passed at each half mile
- Transmissions shall not be interrupted for intervals of more than 5 seconds from a range of 4 miles until the approach is terminated
- Instructed to check minimum descent height at 2 miles
- Advisory heights discontinued at one above the highest OCH or a 1 mile, whichever is sooner
- Controller shall not be responsible for any other duties other than those connected with the SRA
Glide path and advisory height:
Advisory levels are initially calculated based either on the QNH datum or QFE datum and rounded up to the nearest 10ft. An adjustment is then made to compute advisory levels for approaches made using another datum.
Advisory levels shall be prefixed with an indication of the datum being used (height/altitude). Pilots conducting an approach based on QNH shall be passed the aerodrome/threshold elevation prior to commencing the final descent.
Missed Approaches
Aircraft shall be instructed to carry out a missed approach in any of the following circumstances:
- On instructions from approach/aerodrome control
- When no landing clearance is recieved before 2 miles from touchdown (or such other range agreed with aerodrome control)
- When it appears to be dangerously positioned on final approach.
Aircraft shall be advised to carry out a missed approach in any of the following circumstances:
- if it reaches a position from which it appears a successful approach cannot be completed
- it is not visible on the radar display for any significant interval during the last 2 miles of the approach
- if the position or identification of the aircraft is in doubt during any portion of the final approach
IvAc settings
We recommend you use range rings set to 10nm and display VORs, NDBs (no name), Fixes (no name), airspace boundaries, Geographical data and runways. (Toggle airways, airport names, and SIDS/STARs as needed.)
Select altitude filter limits that include as a minimum:
- the altitudes normally under the jurisdiction of your sector; and
- the first usable Flight Level in any vertically adjoining airspace under the jurisdiction of another controller, plus 500 feet beyond that altitude.(FL255)
CTR
Description
Area control services comprise of air traffic services in airspace which is not under the jurisdiction of an approach or aerodrome control unit. The type of service to be provided depends on the class of airspace within which the aircraft is flying.
In the absence of any aerodrome and approach control, Area controllers will complete the tasks detailed in the Delivery, Tower and Approach Radar SOP’s.
Area of responsibility
Area is responsible for the all the airspace within it’s FIR which is not delegated to another unit. The lateral dimensions vary from sector to sector, see the information pages and the appropriate sector files. Area controllers take responsibility for every ATS unit within it’s sector when the unit is not in operation. This means that if you are alone, you are ultimately responsible for every “active” position within your sector. Area controllers must therefore be familiar with the procedures of many different airports, which can be a rather big challenge.
What you need to know
In addition to the general guidelines, a Centre controller must:
- Be familiar with the Clearance delivery SOP;
- Be familiar with the Ground control SOP;
- Be familiar with the Tower control SOP;
- Be familiar with the Approach Radar SOP;
- Know the local procedures for all the airports within the FIR;
- Understand the different airspace divisions within the FIR;
- Know the SIDs and STARs, for all the airports within the FIR, and when to use them;
- Understand the principles of vectoring, and sequencing aircraft;
- Understand noise abatement procedures when applicable;
- Know all separation minima’s for arriving, departing and en-route traffic
Procedures
Principles of Operation
An area control centre is divided into sectors which work in close liaison.
- Each controller shall be responsible only for the efficient performance of those tasks which are specifically allocated in the task description.
- Controllers are to monitor the actions of other members.
Co-ordination – Area Control Centres
Aircraft must not penetrate the airspace of another area control centre or sector unless prior co-ordination has taken place. The responsibility for initiating co-ordination rests with the controller of the sector transferring control.
Co-ordination – Approach control units
Approach control units are required to keep area control promptly advised of:
- lowest level at the holding point available for use by area control
- avergae time interval between successive approaches
- revisions to expected approach times when calculations show a variation of 5 minutes or more
- arrival times over the holding point if these vary from the estimate by 3 minutes or more
- missed approaches when re-routeing is entailed
- all information on overdue aircraft
Speed Adjustment
Controllers may request pilots to increase/decrease speed in order to maintain the appropriate separation. Speed adjustment may also be utilised as a method of streaming aircraft prior to sequencing in the intermediate phase. The pilot should be advised when speed control is no longer required.
Position Reports
In order to reduce RTF communication, a pilot will make a position report only
- on first tranfer of communication from another centre or sector
- on reaching the limit of an ATC clearance
- when instructed by ATC
Aircraft holding
When an aircraft is instructed to hold en-route it must always be given an onward clearance time. Aircraft must never be told that such holding is indefinite, and if it is not possible to make an accurate calculation immediately, the aircraft shall be given an onward clearance time requiring 10 to 15 minutes holding which must be amended to an accurate time before the period has elapsed.
Aircraft which will be delayed by 20 minutes or more before commencing an intermediate approach for landing shall be given an expected approach time together with their clearance to the holding facility. If an aircraft is to be delayed less than 20 minutes, no expected approach time is to be passed.
Phraseology
Standard Phraseology
Last Updated: February 28, 2015
Position | Circumstances | Phraseology |
---|---|---|
DEL | SID clearance | (A/c callsign) cleared to (destination), (SID name) departure, squawk (transponder code). |
DEL | Radar Vector departure clearance | (A/c callsign) cleared to (destination), radar vector for departure, RWY ( - - ), initial climb to ( - - ), squawk (transponder code). |
GND | Push back and engine start | Start up and standard pushback approved, face ( east/west/south/north ). |
GND | Push back and engine start | Standby for push back and start up. |
GND | Push back and engine start | Expect departure at time ( - - ), standby for start up. |
GND | Taxi instruction | Taxi holding point TWY ( - - ), via ( - - - ), RWY ( - - ), QNH ( - - - ). |
GND | Taxi instruction | Taxi ( - - ) hold at ( - - ), Give way to ( - - - ) then follow that aircraft to ( - - - ), QNH ( - - - ). |
GND | Taxi instruction | Hold position. |
TWR | Prior to take-off | Report when ready for departure. |
TWR | Prior to take-off | Are you ready for immediate departure? |
TWR | Prior to take-off | Line up and wait. |
TWR | Take-off | RWY ( - - ) cleared for take-off |
TWR | Take-off | RWY ( - - ) cleared for immediate take-off. |
TWR | Take-off | Take-off immediately or vacate the runway. |
TWR | Cancel take-off | Hold position, cancel take-off I say again cancel take-off. |
TWR | Stop a take-off in emergency conditions | (Callsign) Stop immediately (Callsign) stop immediately. |
TWR | Landing | Continue approach. |
TWR | Landing | Continue approach prepare for possible go around. |
TWR | Landing | RWY ( - - ) cleared to land wind (- - - / - - kt). |
TWR | Landing | RWY ( - - ) cleared touch and go. |
TWR | Landing during RRSM | (Callsign) preceding B747 landing about to vacate the runway, surface wind (- - - / - - kt) runway ( - - ) cleared to land. |
TWR | Landing during RRSM | (Callsign) departing MD11 ahead about to rotate, surface wind (- - - / - - kt) runway ( - - ) cleared to land. |
TWR | After landing | Contact Ground frequency ( - - - ). |
TWR | After landing | Take (first) TWY ( - - ) (left or right) and contact Ground frequency ( - - - ). |
TWR | Missed approach | Go around, I say again go around (make a standard missed approach). |
TWR | Cross the Runway (Ground) | Standby, hold at holding point ( - - - ). |
TWR | Cross the Runway (Ground) | Cleared to cross runway, report vacated. |
TWR | Cross runway corridor (Air) | Cleared runway (07/25) corridor. |
APP | Approach instructions | Cleared (type of approach) approach RWY ( - - ). |
APP/CTR | Level changes | Climb / descend to ( - - - ) |
APP/CTR | Re-routing | Proceed direct ( - - - ). |
APP/CTR | Radar vectoring | Continue heading ( - - - ). |
APP/CTR | Radar vectoring | Continue present heading. |
APP/CTR | Radar vectoring | Fly heading ( - - - ). |
APP/CTR | Radar vectoring | Turn left / right heading ( - - - ). |
APP/CTR | Radar vectoring | Turn left/right heading ( - - - ), radar vector for (type of approach) approach RWY ( - - ). |
APP/CTR | Radar vectoring | Leave (location) heading ( - - - ) for (reason, e.g. sequencing, base leg, final). |
APP/CTR | After vectoring/holding | Resume own navigation (specific instructions) |
APP/CTR | Apply speed control | Report speed. |
APP/CTR | Apply speed control | Reduce/increase speed to ( - - - ) KT. |
APP/CTR | Apply speed control | Increase speed to ( - - - ) KT (or greater). |
APP/CTR | Apply speed control | Maintain present speed. |
APP/CTR | Apply speed control | Maintain ( - - - ) KT (or greater). |
APP/CTR | Apply speed control | Reduce to minimum clean speed. |
APP/CTR | Apply speed control | Reduce to minimum approach speed. |
APP/CTR | Apply speed control | No (ATC) speed restriction. |
APP/CTR | Holding | Join ( - - - ) holding pattern. Expect ( - - ) minutes delay. |
APP/CTR | Avoiding action (Heading) | Turn (left / right) immediately heading ( - - -), to avoid (unidentified) traffic at (bearing by clock reference and distance). |
APP/CTR | Avoiding action (Degrees) | Turn (left / right) ( - - - ) degrees immediately to avoid (unidentified) traffic at (bearing by clock reference and distance). |
APP/CTR | When clear of traffic | Clear of traffic (specific instructions) |
APP/CTR | Approving weather deviation on ATS routes | Deviation up to 25 NM left / right of track approved. (Deviation beyond 25 NM will be outside controlled airspace and subject to pilot's discretion.) |
Manuals
- IVAOHK ACC Training-Materials (132.8 KiB)
- IVAOHK APC Training-Materials (523.0 KiB)
- IVAOHK ATC-Briefing (1.0 MiB)
- IVAOHK General-Knowledge Aerodrome-Controller (363.7 KiB)
- IVAOHK Local-Procedures (1.6 MiB)