---
title: "AMC1 ATCO.D.010(a)(1) Composition of initial training – Basic training — INITIAL TRAINING CONTENT, ATCO — COMMISSION REGULATION (EU) 2015/340 — extract 7 · Avioverse"
description: "SUBJECT 8: EQUIPMENT AND SYSTEMS The subject objective is: Learners shall explain the basic working principles of equipment that is generally used in ATC…"
url: "https://avioverse.aero/regulations/easa/atco/initial-training-content/commission-regulation-eu-2015-340/amc1-atco-d-010-a-1-9"
---

# AMC1 ATCO.D.010(a)(1) Composition of initial training – Basic training

INITIAL TRAINING CONTENT · Regulation (EU) 2015/340 · EAR revision 14 Jun 2024

AMC Acceptable means of compliance

## AMC1 ATCO.D.010(a)(1) Composition of initial training – Basic training

SUBJECT 8: EQUIPMENT AND SYSTEMS

The subject objective is:

Learners shall explain the basic working principles of equipment that is generally used in ATC and appreciate how this equipment aids the controller in providing safe and efficient ATS.

\[applicable until 3 August 2024 - ED Decision 2019/023/R]

| TOPIC EQPSB 1 — ATC EQUIPMENT                    |                                         |   |                                                        |
| ------------------------------------------------ | --------------------------------------- | - | ------------------------------------------------------ |
| Subtopic EQPSB 1.1 — Main types of ATC equipment |                                         |   |                                                        |
| BASIC EQPSB 1.1.1                                | Explain the relevance of ATC equipment. | 2 | CWP, communication equipment, ATS surveillance systems |

| TOPIC EQPSB 2 — RADIO                  |                                                          |                                                                    |   |                                                                                                                 |
| -------------------------------------- | -------------------------------------------------------- | ------------------------------------------------------------------ | - | --------------------------------------------------------------------------------------------------------------- |
| Subtopic EQPSB 2.1 — Radio theory      |                                                          |                                                                    |   |                                                                                                                 |
| BASIC EQPSB 2.1.1                      |                                                          | State the principles of radio waves.                               | 1 |                                                                                                                 |
| BASIC EQPSB 2.1.2                      |                                                          | Describe the characteristics of radio waves.                       | 2 | Propagation, limitations                                                                                        |
| BASIC EQPSB 2.1.3                      |                                                          | State the use, characteristics and limitations of frequency bands. | 1 | Use in ATC, navigation and communications, use and application in the Aeronautical Mobile Service, HF, VHF, UHF |
| BASIC EQPSB 2.1.4                      |                                                          | State the different uses of radio wave spectrum.                   | 1 |                                                                                                                 |
| Subtopic EQPSB 2.2 — Direction finding |                                                          |                                                                    |   |                                                                                                                 |
| BASIC EQPSB 2.2.1                      | State the principles and use of VDF/UDF.                 |                                                                    | 1 | VDF/UDF, QDM, QDR, QTF                                                                                          |
| BASIC EQPSB 2.2.2                      | State the precision of VDF/UDF used in the State system. |                                                                    | 1 |                                                                                                                 |

\[applicable until 3 August 2024 - ED Decision 2019/023/R]

| TOPIC EQPSB 2 — RADIO                  |                                          |                                                                    |   |                                                                                                                     |
| -------------------------------------- | ---------------------------------------- | ------------------------------------------------------------------ | - | ------------------------------------------------------------------------------------------------------------------- |
| Subtopic EQPSB 2.1 — Radio theory      |                                          |                                                                    |   |                                                                                                                     |
| BASIC EQPSB 2.1.1                      |                                          | Describe the characteristics of radio waves.                       | 2 | Propagation, limitations                                                                                            |
| BASIC EQPSB 2.1.2                      |                                          | State the use, characteristics and limitations of frequency bands. | 1 | Use in ATC, navigation and communications, and surveillance, use and application in the Aeronautical Mobile Service |
| BASIC EQPSB 2.1.3                      |                                          | State the different uses of radio wave spectrum.                   | 1 |                                                                                                                     |
| Subtopic EQPSB 2.2 — Direction finding |                                          |                                                                    |   |                                                                                                                     |
| BASIC EQPSB 2.2.1                      | State the principles and use of VDF/UDF. |                                                                    | 1 | VDF/UDF, QDM, QDR, QTE Optional content: precision of VDF/UDF used in the State system                              |

\[applicable from 4 August 2024 - ED Decision 2023/011/R]

| TOPIC EQPSB 3 — COMMUNICATION EQUIPMENT                              |                                                                                                  |   |                                                   |   |
| -------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------ | - | ------------------------------------------------- | - |
| Subtopic EQPSB 3.1 — Radio communications                            |                                                                                                  |   |                                                   |   |
| BASIC EQPSB 3.1.1                                                    | State the use of the radio in ATC.                                                               | 1 |                                                   |   |
| BASIC EQPSB 3.1.2                                                    | Describe the working principles of a transmitting and receiving system.                          | 2 |                                                   |   |
| BASIC EQPSB 3.1.3                                                    | Explain the effect of antenna shadowing on RTF communications.                                   | 2 |                                                   |   |
| Subtopic EQPSB 3.2 — Voice communication between ATS units/positions |                                                                                                  |   |                                                   |   |
| BASIC EQPSB 3.2.1                                                    | Describe the use of other voice communications in ATC.                                           | 2 | Optional content: telephone, interphone, intercom |   |
| Subtopic EQPSB 3.3 — Data link communications                        |                                                                                                  |   |                                                   |   |
| BASIC EQPSB 3.3.1                                                    | Explain the use and benefits of Controller Pilot Data Link Communications (CPDLC).               | 2 |                                                   |   |
| Subtopic EQPSB 3.4 — Airline communications                          |                                                                                                  |   |                                                   |   |
| BASIC EQPSB 3.4.1                                                    | State the use of SELCAL.                                                                         | 1 |                                                   |   |
| BASIC EQPSB 3.4.2                                                    | Explain the use and benefits of Aircraft Communications Addressing and Reporting System (ACARS). | 2 |                                                   |   |

\[applicable until 3 August 2024 - ED Decision 2019/023/R]

| TOPIC EQPSB 3 — COMMUNICATION EQUIPMENT                                         |                                                                                                  |   |                                                   |   |
| ------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------ | - | ------------------------------------------------- | - |
| Subtopic EQPSB 3.1 — Radio communications                                       |                                                                                                  |   |                                                   |   |
| BASIC EQPSB 3.1.1                                                               | State the use of the radio in ATC.                                                               | 1 |                                                   |   |
| BASIC EQPSB 3.1.2                                                               | Describe the working principles of a transmitting and receiving system.                          | 2 |                                                   |   |
| BASIC EQPSB 3.1.3                                                               | Explain the effect of antenna shadowing on RTF communications.                                   | 2 |                                                   |   |
| Subtopic EQPSB 3.2 — Voice communication between ATS units/positions and others |                                                                                                  |   |                                                   |   |
| BASIC EQPSB 3.2.1                                                               | Describe the use of other voice communications.                                                  | 2 | Optional content: telephone, interphone, intercom |   |
| Subtopic EQPSB 3.3 — Data link communications                                   |                                                                                                  |   |                                                   |   |
| BASIC EQPSB 3.3.1                                                               | Explain the use and benefits of controller pilot data link communications (CPDLC).               | 2 |                                                   |   |
| BASIC EQPSB 3.3.2                                                               | Explain the use and benefits of aircraft communications addressing and reporting system (ACARS). | 2 |                                                   |   |
| Subtopic EQPSB 3.4 — Airline communications                                     |                                                                                                  |   |                                                   |   |
| BASIC EQPSB 3.4.1                                                               | State the use of SELCAL.                                                                         | 1 |                                                   |   |

\[applicable from 4 August 2024 - ED Decision 2023/011/R]

| TOPIC EQPSB 4 — INTRODUCTION TO SURVEILLANCE     |                                                                |   |   |   |
| ------------------------------------------------ | -------------------------------------------------------------- | - | - | - |
| Subtopic EQPSB 4.1 — Surveillance concept in ATS |                                                                |   |   |   |
| BASIC EQPSB 4.1.1                                | Describe the concept of surveillance for the provision of ATS. | 2 |   |   |

| TOPIC EQPSB 5 — RADAR                    |                                                                              |   |                                                                                                     |
| ---------------------------------------- | ---------------------------------------------------------------------------- | - | --------------------------------------------------------------------------------------------------- |
| Subtopic EQPSB 5.1 — Principles of radar |                                                                              |   |                                                                                                     |
| BASIC EQPSB 5.1.1                        | State the principles of radar.                                               | 1 |                                                                                                     |
| BASIC EQPSB 5.1.2                        | Recognise the characteristics of radar wavelengths.                          | 1 |                                                                                                     |
| BASIC EQPSB 5.1.3                        | Recognise the use, characteristics and limitations of different radar types. | 1 | Optional content: frequency bands, long and short-range radar, weather radar, high-resolution radar |
| Subtopic EQPSB 5.2 — Primary radar       |                                                                              |   |                                                                                                     |
| BASIC EQPSB 5.2.1                        | Explain the working principles of PSR.                                       | 2 |                                                                                                     |
| Subtopic EQPSB 5.3 — Secondary radar     |                                                                              |   |                                                                                                     |
| BASIC EQPSB 5.3.1                        | Explain the working principles of SSR.                                       | 2 | Mode A, Mode C                                                                                      |
| BASIC EQPSB 5.3.2                        | Explain SSR code management                                                  | 2 | Discrete, non-discrete codes, special codes                                                         |
| BASIC EQPSB 5.3.3                        | Explain the effect of antenna shadowing on SSR operation.                    | 2 |                                                                                                     |
| Subtopic EQPSB 5.4 — Use of radars       |                                                                              |   |                                                                                                     |
| BASIC EQPSB 5.4.1                        | Explain the use of PSR/SSR in ATC.                                           | 2 | Area, approach, aerodrome, surface movement radar, DFTI                                             |
| BASIC EQPSB 5.4.2                        | Explain the advantages and disadvantages of PSR/SSR.                         | 2 |                                                                                                     |
| Subtopic EQPSB 5.5 — Mode S              |                                                                              |   |                                                                                                     |
| BASIC EQPSB 5.5.1                        | Explain the principles of Mode S.                                            | 2 |                                                                                                     |
| BASIC EQPSB 5.5.2                        | Explain the use of Mode S in ATC systems.                                    | 2 |                                                                                                     |

\[applicable until 3 August 2024 - ED Decision 2019/023/R]

| TOPIC EQPSB 5 — RADAR                    |                                                                              |   |                                                                                                    |
| ---------------------------------------- | ---------------------------------------------------------------------------- | - | -------------------------------------------------------------------------------------------------- |
| Subtopic EQPSB 5.1 — Principles of radar |                                                                              |   |                                                                                                    |
| BASIC EQPSB 5.1.1                        | State the principles of radar.                                               | 1 |                                                                                                    |
| BASIC EQPSB 5.1.2                        | Recognise the characteristics of radar wavelengths.                          | 1 |                                                                                                    |
| BASIC EQPSB 5.1.3                        | Recognise the use, characteristics and limitations of different radar types. | 1 | Optional content: frequency bands, longand short-range radar, weather radar, high-resolution radar |
| Subtopic EQPSB 5.2 — Primary radar       |                                                                              |   |                                                                                                    |
| BASIC EQPSB 5.2.1                        | Explain the working principles of PSR.                                       | 2 |                                                                                                    |
| Subtopic EQPSB 5.3 — Secondary radar     |                                                                              |   |                                                                                                    |
| BASIC EQPSB 5.3.1                        | Explain the working principles of SSR.                                       | 2 | Mode A, Mode C, Mode S                                                                             |
| BASIC EQPSB 5.3.2                        | Explain SSR code management                                                  | 2 | Discrete, non-discrete codes, special codes                                                        |
| BASIC EQPSB 5.3.3                        | Explain the effect of antenna shadowing on SSR operation.                    | 2 |                                                                                                    |
| Subtopic EQPSB 5.4 — Use of radars       |                                                                              |   |                                                                                                    |
| BASIC EQPSB 5.4.1                        | Explain the use of PSR/SSR in area, approach and aerodrome control.          | 2 | Mode A, Mode C, Mode S, SMR Optional content: DFTI                                                 |
| BASIC EQPSB 5.4.2                        | Explain the advantages and disadvantages of PSR/SSR.                         | 2 |                                                                                                    |

\[applicable from 4 August 2024 - ED Decision 2023/011/R]

| TOPIC EQPSB 6 — AUTOMATIC DEPENDENT SURVEILLANCE                    |                                          |   |                                                      |
| ------------------------------------------------------------------- | ---------------------------------------- | - | ---------------------------------------------------- |
| Subtopic EQPSB 6.1 — Principles of automatic dependent surveillance |                                          |   |                                                      |
| BASIC EQPSB 6.1.1                                                   | State the different applications of ADS. | 1 | ADS-B, ADS-C                                         |
| BASIC EQPSB 6.1.2                                                   | Explain the working principles of ADS.   | 2 |                                                      |
| Subtopic EQPSB 6.2 — Use of automatic dependent surveillance        |                                          |   |                                                      |
| BASIC EQPSB 6.2.1                                                   | Describe the use of ADS in ATC.          | 2 | Area, approach, aerodrome, ICAO Doc 4444             |
| BASIC EQPSB 6.2.2                                                   | Explain the limitations of ADS.          | 2 | Dependency on GNSS, dependency on airborne equipment |

\[applicable until 3 August 2024 - ED Decision 2019/023/R]

| TOPIC EQPSB 6 — AUTOMATIC DEPENDENT SURVEILLANCE                          |                                          |   |                                                      |
| ------------------------------------------------------------------------- | ---------------------------------------- | - | ---------------------------------------------------- |
| Subtopic EQPSB 6.1 — Principles of automatic dependent surveillance (ADS) |                                          |   |                                                      |
| BASIC EQPSB 6.1.1                                                         | State the different applications of ADS. | 1 | ADS-B, ADS-C                                         |
| BASIC EQPSB 6.1.2                                                         | Explain the working principles of ADS.   | 2 |                                                      |
| Subtopic EQPSB 6.2 — Use of automatic dependent surveillance (ADS)        |                                          |   |                                                      |
| BASIC EQPSB 6.2.1                                                         | Describe the use of ADS in ATC.          | 2 | Area, approach, aerodrome, ICAO Doc 4444             |
| BASIC EQPSB 6.2.2                                                         | Explain the limitations of ADS.          | 2 | Dependency on GNSS, dependency on airborne equipment |

\[applicable from 4 August 2024 - ED Decision 2023/011/R]

| TOPIC EQPSB 7 — MULTILATERATION                    |                                           |   |                                                                               |
| -------------------------------------------------- | ----------------------------------------- | - | ----------------------------------------------------------------------------- |
| Subtopic EQPSB 7.1 — Principles of multilateration |                                           |   |                                                                               |
| BASIC EQPSB 7.1.1                                  | State the different applications of MLAT. | 1 | Optional content: ATC, environmental management, airport operations, LAM, WAM |
| BASIC EQPSB 7.1.2                                  | Explain the working principles of MLAT.   | 2 | Optional content: passive and active MLAT                                     |
| Subtopic EQPSB 7.2 — Use of multilateration        |                                           |   |                                                                               |
| BASIC EQPSB 7.2.1                                  | Describe the use of MLAT in ATC.          | 2 | Area, approach, aerodrome                                                     |
| BASIC EQPSB 7.2.2                                  | Explain the limitations of MLAT.          | 2 | Dependency on airborne equipment                                              |

\[applicable until 3 August 2024 - ED Decision 2019/023/R]

| TOPIC EQPSB 7 — MULTILATERATION                           |                                           |   |                                                                               |
| --------------------------------------------------------- | ----------------------------------------- | - | ----------------------------------------------------------------------------- |
| Subtopic EQPSB 7.1 — Principles of multilateration (MLAT) |                                           |   |                                                                               |
| BASIC EQPSB 7.1.1                                         | State the different applications of MLAT. | 1 | Optional content: ATC, environmental management, airport operations, LAM, WAM |
| BASIC EQPSB 7.1.2                                         | Explain the working principles of MLAT.   | 2 | Optional content: passive and active MLAT                                     |
| Subtopic EQPSB 7.2 — Use of multilateration (MLAT)        |                                           |   |                                                                               |
| BASIC EQPSB 7.2.1                                         | Describe the use of MLAT in ATC.          | 2 | Area, approach, aerodrome                                                     |
| BASIC EQPSB 7.2.2                                         | Explain the limitations of MLAT.          | 2 | Dependency on airborne equipment                                              |

\[applicable from 4 August 2024 - ED Decision 2023/011/R]

| TOPIC EQPSB 8 — SURVEILLANCE DATA PROCESSING                            |                                                                                  |   |                                                                                   |
| ----------------------------------------------------------------------- | -------------------------------------------------------------------------------- | - | --------------------------------------------------------------------------------- |
| Subtopic EQPSB 8.1 — Surveillance data networking                       |                                                                                  |   |                                                                                   |
| BASIC EQPSB 8.1.1                                                       | Explain the advantages and disadvantages of different surveillance technologies. | 2 | Data quality, coverage, refresh rate, reliability, redundancy, cost-effectiveness |
| BASIC EQPSB 8.1.2                                                       | Describe the implementation of Surveillance Data Networks.                       | 2 | Optional content: different technologies/sensors, network                         |
| Subtopic EQPSB 8.2 — Working principles of surveillance data networking |                                                                                  |   |                                                                                   |
| BASIC EQPSB 8.2.1                                                       | Explain the working principles of surveillance data processing.                  | 2 | Track fusion process, surveillance information presented on CWP                   |
| BASIC EQPSB 8.2.2                                                       | State other use of processed surveillance data.                                  | 1 | Optional content: safety nets, airport operations, environmental management       |

\[applicable until 3 August 2024 - ED Decision 2019/023/R]

| TOPIC EQPSB 8 —DATA PROCESSING                                          |                                                                                  |   |                                                                                                                      |
| ----------------------------------------------------------------------- | -------------------------------------------------------------------------------- | - | -------------------------------------------------------------------------------------------------------------------- |
| Subtopic EQPSB 8.1 — Surveillance data networking                       |                                                                                  |   |                                                                                                                      |
| BASIC EQPSB 8.1.1                                                       | Explain the advantages and disadvantages of different surveillance technologies. | 2 | Data quality, coverage, refresh rate, reliability, redundancy, cost-effectiveness                                    |
| BASIC EQPSB 8.1.2                                                       | Describe the implementation of Surveillance Data Networks.                       | 2 | Optional content: different technologies/sensors, network                                                            |
| Subtopic EQPSB 8.2 — Working principles of surveillance data networking |                                                                                  |   |                                                                                                                      |
| BASIC EQPSB 8.2.1                                                       | State the working principles of surveillance data processing.                    | 1 | Surveillance information presented on CWP                                                                            |
| BASIC EQPSB 8.2.2                                                       | State other use of processed surveillance data.                                  | 1 | Optional content: safety nets, airport operations, environmental management                                          |
| Subtopic EQPSB 8.3 — Flight data processing                             |                                                                                  |   |                                                                                                                      |
| BASIC EQPSB 8.3.1                                                       | Explain the FDPS core functions.                                                 | 2 | Optional content: system flight plan, data input, SSR code management, coordination, correlation/decorrelation, etc. |

\[applicable from 4 August 2024 - ED Decision 2023/011/R]

| TOPIC EQPSB 9 — FUTURE EQUIPMENT      |                                                                                    |   |   |
| ------------------------------------- | ---------------------------------------------------------------------------------- | - | - |
| Subtopic EQPSB 9.1 — New developments |                                                                                    |   |   |
| BASIC EQPSB 9.1.1                     | State the developments in the equipment field for introduction in the near future. | 1 |   |

| TOPIC EQPSB 10 — AUTOMATION IN ATS                                                |                                                                                                 |   |                                                      |
| --------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------- | - | ---------------------------------------------------- |
| Subtopic EQPSB 10.1 — Principles of automation                                    |                                                                                                 |   |                                                      |
| BASIC EQPSB 10.1.1                                                                | Describe the principles of automation in communication and data links in ATS.                   | 2 |                                                      |
| Subtopic EQPSB 10.2 — Aeronautical fixed telecommunication network (AFTN)         |                                                                                                 |   |                                                      |
| BASIC EQPSB 10.2.1                                                                | Describe the principles of AFTN.                                                                | 2 |                                                      |
| Subtopic EQPSB 10.3 — Online data interchange                                     |                                                                                                 |   |                                                      |
| BASIC EQPSB 10.3.1                                                                | Describe the benefits of automatic exchange of ATS data in coordination and transfer processes. | 2 | Accuracy, speed and safety, non-verbal communication |
| BASIC EQPSB 10.3.2                                                                | Describe the limitations of automatic exchange of ATS data in coordination.                     | 2 | Non-recognition of a system’s failure                |
| Subtopic EQPSB 10.4 — Systems used for the automatic dissemination of information |                                                                                                 |   |                                                      |
| BASIC EQPSB 10.4.1                                                                | State the working principles of broadcasting systems.                                           | 1 | Optional content: ATIS, VOLMET                       |
| BASIC EQPSB 10.4.2                                                                | Explain the use of ATIS and VOLMET in ATS.                                                      | 2 | Regulation (EU) No 923/2012, ICAO Annex 3            |

| TOPIC EQPSB 11 — WORKING POSITIONS               |                                                         |   |                                                                                                                                                                                                                                                     |
| ------------------------------------------------ | ------------------------------------------------------- | - | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Subtopic EQPSB 11.1 — Working position equipment |                                                         |   |                                                                                                                                                                                                                                                     |
| BASIC EQPSB 11.1.1                               | Recognise equipment in a working position.              | 1 | Optional content: FPB, radio, telephone and other communications equipment, relevant maps and charts, strip printer, teleprinter, clock, information monitors, situation displays                                                                   |
| Subtopic EQPSB 11.2 — Aerodrome control          |                                                         |   |                                                                                                                                                                                                                                                     |
| BASIC EQPSB 11.2.1                               | Recognise equipment to be found specifically in a TWR.  | 1 | Optional content: wind indicator, aerodrome traffic monitor, SMR, crash alarm, signalling lamp, lighting control panel, runway-in-use indicator, binoculars, signalling/flare gun, IRVR and altimeter-setting indicators, local information systems |
| Subtopic EQPSB 11.3 — Approach control           |                                                         |   |                                                                                                                                                                                                                                                     |
| BASIC EQPSB 11.3.1                               | Recognise equipment to be found specifically in an APP. | 1 | Optional content: sequencing system, PAR, RVR indicators                                                                                                                                                                                            |
| Subtopic EQPSB 11.4 — Area control               |                                                         |   |                                                                                                                                                                                                                                                     |
| BASIC EQPSB 11.4.1                               | Recognise equipment to be found specifically in an ACC. | 1 |                                                                                                                                                                                                                                                     |

AMC · AMC1 ATCO.D.010(a)(1) — Regulation (EU) 2015/340 · ED Decision 2023/011/R · ATCO Easy Access Rules · EAR revision 14 Jun 2024

[All rules in COMMISSION REGULATION (EU) 2015/340](https://avioverse.aero/regulations/easa/atco/initial-training-content/commission-regulation-eu-2015-340)

Consolidated from the EASA Easy Access Rules (revision 14 Jun 2024, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.
