Publication: Magyar Közlöny
Issue: MK-2007-70 (Year: 2007, Number: 70)
Era: 2004-2010
Section: Melléklet a 2007. évi XLVI. törvényhez
Paragraph Index: 4133

b) the unit or service available. 5.2.1.7.1.2 The unit or service shall be identified in accordance with the table below except that the name of the location or the unit/service may be omitted provided satisfactory communication has been established. Unit/service available Call sign suffix area control centre CONTROL approach control APPROACH approach control radar arrivals ARRIVAL approach control radar departures DEPARTURE aerodrome control TOWER surface movement control GROUND radar (in general) RADAR precision approach radar PRECISION direction-finding station HOMER flight information service INFORMATION clearance delivery DELIVERY apron control APRON company dispatch DISPATCH aeronautical station RADIO 5.2.1.7.2 Radiotelephony call signs 5.2.1.7.2 for aircraft 5.2.1.7.2.1 Full call signs 5.2.1.7.2.1.1 An aircraft radiotelephony call sign shall be one of the following types: Type a) — the characters corresponding to the registration marking of the aircraft; or Type b) — the telephony designator of the aircraft operating agency, followed by the last four characters of the registration marking of the aircraft; Type c) — the telephony designator of the aircraft operating agency, followed by the flight identification. Note 1.— The name of the aircraft manufacturer or of the aircraft model may be used as a radiotelephony prefix to the Type a) call sign (see Table 5-1). Note 2.— The telephony designators referred to in Types b) and c) are contained in Doc 8585 — Designators for Aircraft Operating Agencies, Aeronautical Authorities and Services. Note 3.— Any of the foregoing call signs may be inserted in field 7 of the ICAO flight plan as the aircraft identification. Instructions on the completion of the flight plan form are contained in PANS-ATM, Doc 4444. 5.2.1.7.2.2 Abbreviated call signs 5.2.1.7.2.2.1 The aircraft radiotelephony call signs shown in 5.2.1.7.2.1.1, with the exception of Type c), may be abbreviated in the circumstances prescribed in 5.2.1.7.3.3.1. Abbreviated call signs shall be in the following form: Type a) — the first character of the registration and at least the last two characters of the call sign; Type b) — the telephony designator of the aircraft operating agency, followed by at least the last two characters of the call sign; 2007/70/II. szám Chapter 5 Annex 10 — Aeronautical Telecommunications 5-9 1/11/01 Type c) — no abbreviated form. Note.— Either the name of the aircraft manufacturer or of the aircraft model may be used in place of the first character in Type a). 5.2.1.7.3 Radiotelephony procedures 5.2.1.7.3.1 An aircraft shall not change the type of its radiotelephony call sign during flight, except temporarily on the instruction of an air traffic control unit in the interests of safety. 5.2.1.7.3.1.1 Except for reasons of safety no transmission shall be directed to an aircraft during take-off, during the last part of the final approach or during the landing roll. 5.2.1.7.3.2 Establishment of radiotelephony communications 5.2.1.7.3.2.1 Full radiotelephony call signs shall always be used when establishing communication. The calling procedure of an aircraft establishing communication shall be in accordance with Table 5-2. 5.2.1.7.3.2.2 PANS.— Stations having a requirement to transmit information to all stations likely to intercept should preface such transmission by the general call ALL STATIONS, followed by the identification of the calling station. Note.— No reply is expected to such general calls unless individual stations are subsequently called to acknowledge receipt. 5.2.1.7.3.2.3 The reply to the above calls shall be in accordance with Table 5-3. 5.2.1.7.3.2.4 PANS.— When a station is called but is uncertain of the identification of the calling station, it should reply by transmitting the following: STATION CALLING (station called) SAY AGAIN YOUR CALL SIGN Note.— The following example illustrates the application of this procedure: (CAIRO station replying) STATION CALLING CAIRO (pause) SAY AGAIN YOUR CALL SIGN 5.2.1.7.3.2.5 Communications shall commence with a call and a reply when it is desired to establish contact, except that, when it is certain that the station called will receive the call, the calling station may transmit the message, without waiting for a reply from the station called. 5.2.1.7.3.2.6 Interpilot air-to-air communication shall be established on the air-to-air channel 123.45 MHz by either a directed call to a specific aircraft station or a general call, taking into account conditions pertaining to use of this channel. Note.— For conditions on use of air-to-air channels see Annex 10, Volume V, 4.1.3.2.1, also Volume II, 5.2.2.1.1.4. 5.2.1.7.3.2.6.1 PANS.— As the aircraft may be guarding more than one frequency, the initial call should include the distinctive channel identification “INTERPILOT”. Note.— The following examples illustrate the application of this calling procedure. CLIPPER 123 — SABENA 901 — INTERPILOT — DO YOU READ or ANY AIRCRAFT VICINITY OF 30 NORTH 160 EAST — JAPANAIR 401 — INTERPILOT — OVER Table 5-1. Examples of full call signs and abbreviated call signs (see 5.2.1.7.2.1 and 5.2.1.7.2.2) Type a) Type b) Type c) Full call sign N 57826 *CESSNA FABCD *CITATION FABCD VARIG PVMA SCANDINAVIAN Abbreviated call sign N26 or N826 CESSNA CD or CESSNA BCD CITATION CD or CITATION BCD VARIG MA or VARIG VMA (no abbreviated form) * Examples illustrate the application of Note 1 to 5.2.1.7.2.1.1. 2007/70/II. szám Annex 10 — Aeronautical Telecommunications Volume II 1/11/01 5-10 5.2.1.7.3.3 Subsequent radiotelephony communications 5.2.1.7.3.3.1 Abbreviated radiotelephony call signs, as prescribed in 5.2.1.7.2.2, shall be used only after satisfactory communication has been established and provided that no confusion is likely to arise. An aircraft station shall use its abbreviated call sign only after it has been addressed in this manner by the aeronautical station. 5.2.1.7.3.3.2 After contact has been established, continuous two-way communication shall be permitted without further identification or call until termination of the contact. 5.2.1.7.3.3.3 In order to avoid any possible confusion, when issuing ATC clearances and reading back such clearances, controllers and pilots shall always add the call sign of the aircraft to which the clearance applies. 5.2.1.7.3.4 Indication of transmitting channel 5.2.1.7.3.4.1 PANS.— As the aeronautical station operator generally guards more than one frequency, the call should be followed by an indication of the frequency used, unless other suitable means of identifying the frequency are known to exist. 5.2.1.7.3.4.2 PANS.— When no confusion is likely to arise, only the first two digits of the High Frequency (in kHz) need be used to identify the transmitting channel. Note.— The following example illustrates the application of this procedure: (PAA 325 calling Kingston on 8 871 kHz) KINGSTON CLIPPER THREE TWO FIVE — ON EIGHT EIGHT 5.2.1.7.3.4.3 PANS.— Except as specified in 5.2.1.7.3.4.4 all six digits of the numerical designator should be used to identify the transmitting channel in VHF radiotelephony communications, except in the case of both the fifth and sixth digits being zeros, in which case only the first four digits should be used. Note 1.— The following examples illustrate the application of the procedure in 5.2.1.7.3.4.3: Channel Transmitted as 118.000 ONE ONE EIGHT DECIMAL ZERO 118.005 ONE ONE EIGHT DECIMAL ZERO ZERO FIVE Table 5-2. Radiotelephony calling procedure* (see 5.2.1.7.3.2.1) Table 5-3. Radiotelephony reply procedure (see 5.2.1.7.3.2.3) Type a) Type b) Type c) Designation of the station called NEW YORK RADIO NEW YORK RADIO NEW YORK RADIO Designation of the station calling GABCD** SPEEDBIRD ABCD** AEROFLOT 321** ** In certain cases where the call is initiated by the aeronautical station, the call may be effected by transmission of coded tone signals. ** With the exception of the telephony designators and the type of aircraft, each character in the call sign shall be spoken separately. When individual letters are spelled out, the radiotelephony spelling alphabet prescribed in 5.2.1.3 shall be used. Numbers are to be spoken in accordance with 5.2.1.4. Type a) Type b) Type c) Designation of the station called GABCD* SPEEDBIRD ABCD* AEROFLOT 321* Designation of the answering station NEW YORK RADIO NEW YORK RADIO NEW YORK RADIO Invitation to proceed with transmission GO AHEAD GO AHEAD GO AHEAD * With the exception of the telephony designators and the type of aircraft, each character in the call sign shall be spoken separately. When individual letters are spelled out, the radiotelephony spelling alphabet prescribed in 5.2.1.3 shall be used. Numbers are to be spoken in accordance with 5.2.1.4. 24/11/05 No. 80 2007/70/II. szám Chapter 5 Annex 10 — Aeronautical Telecommunications 5-11 1/11/01 118.010 ONE ONE EIGHT DECIMAL ZERO ONE ZERO 118.025 ONE ONE EIGHT DECIMAL ZERO TWO FIVE 118.050 ONE ONE EIGHT DECIMAL ZERO FIVE ZERO 118.100 ONE ONE EIGHT DECIMAL ONE Note 2.— Caution must be exercised with respect to the indication of transmitting channels in VHF radiotelephony communications when all six digits of the numerical designator are used in airspace where communication channels are separated by 25 kHz, because on aircraft installations with a channel separation capability of 25 kHz or more, it is only possible to select the first five digits of the numerical designator on the radio management panel. Note 3.— The numerical designator corresponds to the channel identification in Annex 10, Volume V, Table 4-1 (bis). 5.2.1.7.3.4.4 PANS.— In airspace where all VHF voice communications channels are separated by 25 kHz or more and the use of six digits as in 5.2.1.7.3.4.3 is not substantiated by the operational requirement determined by the appropriate authorities, the first five digits of the numerical designator should be used, except in the case of both the fifth and sixth digits being zeros, in which case only the first four digits should be used. Note 1.— The following examples illustrate the application of the procedure in 5.2.1.7.3.4.4 and the associated settings of the aircraft radio management panel for communication equipment with channel separation capabilities of 25 kHz and 8.33/25 kHz: Note 2.— Caution must be exercised with respect to the indication of transmitting channels in VHF radiotelephony communications when five digits of the numerical designator are used in airspace where aircraft are also operated with channel separation capabilities of 8.33/25 kHz. On aircraft installations with a channel separation capability of 8.33 kHz and more, it is possible to select six digits on the radio management panel. It should therefore be ensured that the fifth and sixth digits are set to 25 kHz channels (see Note 1). Note 3.—The numerical designator corresponds to the channel identification in Annex 10, Volume V, Table 4-1 (bis). 5.2.1.8 Test procedures 5.2.1.8.1 PANS.— The form of test transmissions should be as follows:

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