The responsible service for the provision of telecommunication and navigation facility services in Brazil is the Department of Airspace Control.

Postal Address:
Departamento de Controle do Espaço Aéreo
Subdepartamento de operações (SDOP)
Avenida General Justo, 160 – 2º Andar
20021-130 – Rio de Janeiro – RJ – Brasil
Telegraphic Address:
AFTN SBRJYGYC
Administrative CNSCEA
Telephone number 55 21 2101-6267
Fac-símile 55 21 2101-6263

The service is provided in accordance with the standards and recommended practices contained in the following ICAO documents:

Annex 5 – Units of Measurement to be used in Air and Ground Operations.

Annex 10 – Aeronautical Telecommunications. Vol. I to V

Doc. 8400/6 – ICAO Abbreviations and Codes.

Doc. 8585/141 – Designators for Aircraft Operating Agencies, Aeronautical Authorities and Services.

Doc. 7030 – Regional Supplementary Procedures Part 3 (COM Procedures for SAM Region).

Doc. 7910/125 – Location Indicators.

Doc. 7946 – Manual on Operation Methods for AN/868/4 Teletypes.

Doc. 8071 - Manual on Testing of RadioNavigation Aids.

The Aeronautical Telecommunications Service is provided in all airspace within and over the national territory including territorial and jurisdictional waters, as well as the airspace established under from regional agreement of air navigation regional agreement.

The following types of aeronautical telecommunications
services are available:

a) Aeronautical Radio Navigation Service;
b) Aeronautical Mobile Service;
c) Aeronautical Fixed Service; and
d) Aeronautical Broadcasting Service.

The following types of radio aids to navigation are available:

LF/MF non-directional beacon (NDB)
VHF direction-finding station (VDF)
VHF omnidirectional radio range (VOR)
VHF omnidirectional radio range (ASR)
Instrument Landing system (ILS)
Distance-measuring equipment (DME)

Subsection ENR 4.2 is not issued due to the fact that special navigation systems such as: LORAN, CONSOL, DECCA, etc are not available.

In Brazil all ILS facilities are “FRONT-COURSE” usable up to 35DEG on each side of the localizer (LOC) course up to
10NM, 10DEG on each side of the LOC course up to 18NM and “BACK COURSE” is unusable. Inaccurate signals could be received beyond such areas. These facilities are included in the subsection AD 2.19.

NDB-markers (LM and LO), located in Manaus TMA, transmit identification in Morse Code, by using dots and dashes represented by silent intervals between continuous signal (continuous signal, dot or dash, continuous signal). These facilities are indicated in subsection AD 2.19.

The Aeronautical stations maintain a continuous watch on their stated frequencies during the published hours of service. Aircraft should normally communicate with the airground control radio station that exercises control in the area in which the aircraft is flying. Aircraft should maintain a continuous watch on the appropriate frequency of the control station and should not abandon watch, except in an emergency.

All aircraft calling centers on HF frequencies should mention the frequency they are calling on.

DCL is a system composed of an airborne segment, as a function of ACARS (Airborne Communications, Addressing, and Reporting System), and a ground segment, located in the Control Tower in the Traffic Clearance (CLRD) Operational Position, which allows the request and sending, in an automated way, of the message authorizing the flight plan to the aircraft which have a textual message exchange system via a data link. In the airborne segment, the pilot will receive the traffic authorization in the MFDU and, if it complies with the prescribed for the flight, the ACCEPT
function must be selected on the display. In case there is any failure in the DCL service, the pilot will receive a message in the airborne equipment to convert the voice, in the TWR frequency, to request the authorization for the flight plan.

The messages to be transmitted over the Aeronautical Fixed Service (AFS) are accepted only if:

a) Annex 10, Vol. II, Chapter 3, item 3.3;
b) they are prepared in the form specified in ICAO Annex 10;
c) the text of an individual message does not exceed 1800 characters.

General aircraft operating agency messages are only
accepted for transmission to countries that have agreed to
accept Class B traffic.

PT, EN.

Details of the various facilities available for the en-route traffic can be found in Part 2, section ENR 4.
Details of the facilities available at each aerodrome can be found in the relevant sections of Part 3 (AD). In cases where a facility is serving both the en-route traffic and the aerodromes, details are given in the relevant sections of Part 2 (ENR) and Part 3 (AD).

The following meteorological broadcasts are available for the use of aircraft in flight:

a) VOLMET Broadcasting
b) Automatic Terminal Information Service Broadcasts indicated in subsection AD 2.18

D-ATIS is a digital system, capable of providing and generating synthesized voice messages and transmitting textual data messages, with hardware and software architecture and equipment redundancy; To provide D-ATIS information, the system promotes the interface between the message source and the stations in charge of transmitting it. The operational content of D-ATIS messages in textual and synthesized voice formats is identical. D-ATIS messages in synthesized voice and textual formats are simultaneously updated. In case there are discrepancies between information provided in D-ATIS messages in textual and in synthesized voice formats, the one broadcasted by voice system must prevail, unless the operational unit explicitly states otherwise. D-ATIS service is provided to the duly equipped aircraft which require it, in any fase of flight, and regardless of any other datalink service being used. D-ATIS is provided at aerodromes where an ATIS frequency is available, otherwise a NOTAM will inform that the mentioned service is available only in a datalink format.

The requirements of the Communication Services and the general conditions under which the communictions services are available for international use, as well as the requirements for the carriage of radio equipment are contained in the regulations. The main provisions are briefly summarized below.

DATALINK is a means to connect locations with the purpose of exchanging digital information.