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022 10 01 00 Voice communication, data-link transmission
022 10 01 01 Definitions and transmission modes
(01) Describe the purpose of a data-link transmission
Syllabus reference BK Syllabus details and associated Learning Objectives
system.
(02) Compare voice communication versus data-link transmission systems.
(03) “Describe the communication links that are used in aircraft:
— high-frequency (HF) communications;
— very high-frequency (VHF) communications;
— satellite communications (SATCOM).”
(04) “Consider the properties of the communication links with regard to:
— signal quality;
— range/area coverage;
— range;
— line-of-sight limitations;
— quality of the signal received;
— interference due to ionospheric conditions;
— data transmission speed.”
(05) “Define and explain the following terms in relation to aircraft data-link communications:
— message/data uplink;
— message/data downlink.”
022 10 01 02 Systems: architecture, design and operation
(01) Describe the purpose of the ACARS network.
(02) Describe the systems using the ACARS network through the air traffic service unit (ATSU) suite:
Syllabus reference BK Syllabus details and associated Learning Objectives
“— aeronautical/airline operational control (AOC);
— air traffic control (ATC).”
(03) “Explain the purpose of the following parts of the on- board equipment:
— ATSU communications computer;
— control display unit (CDU)/multifunction control display unit (MCDU);
— data communication display unit (DCDU);
— ATC message visual annunciator;
— printer.”
(04) “Give examples of airline operations communications (AOC) data-link messages such as:
— out of the gate, off the ground, on the ground, into the gate (OOOI);
— load sheet;
— passenger information (connecting flights);
— weather reports (METAR, TAF);
— maintenance reports (engine exceedances);
— aircraft technical data;
— free-text messages.”
(05) “Give examples of ATC data-link messages such as:
— departure clearance;
— oceanic clearance;
— digital ATIS (D-ATIS);
— controller–pilot data-link communications (CPDLC).”
Syllabus reference BK Syllabus details and associated Learning Objectives
022 10 02 00 Future air navigation systems (FANSs)
022 10 02 01 Versions, applications, CPDLC messages, ADS contracts
(01) Describe the existence of the ICAO communication, navigation, surveillance/air traffic management (CNS/ATM) concept.
(02) “Explain the two versions of FANSs:
— FANS A/FANS 1 using the ACARS network;
— FANS B/FANS 2 using the ACARS network and the aeronautical telecommunication network (ATN).”
(03) “List and explain the following FANS A/FANS 1 applications:
— ATS facility notification (AFN);
— automatic dependent surveillance (ADS);
— CPDLC.”
(04) Compare the ADS application with the secondary surveillance radar function, and the CPDLC application with VHF communication systems.
(05) State that an ATCU can use the ADS application only, or the CPDLC application only, or both of them (not including AFN).
(06) Describe the AFN process for logging on with an ATCU and typical data that will be included in the message.
(07) Describe typical types of CPDLC messages and the typical pilot work practices when requesting or accepting a CPDLC clearance.
Syllabus reference BK Syllabus details and associated Learning Objectives
(08) “List and describe the different types of ADS contracts that are controlled by the ATCU and beyond the control of the pilot:
— periodic: data sent at set time intervals;
— on demand: data sent when requested;
— on event: data sent when an event occurs (e.g. heading change, climb initiated, etc.);
— emergency mode.”
(09) Describe the purpose of the ADS emergency mode contract and highlight the difference to the ATCU controlled contracts.