Navigate / EASA

ED Decision 2023/011/R

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, 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, 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