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

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

AMCAcceptable means of compliance

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

SUBJECT 4: METEOROLOGY The subject objective is: Learners shall describe how meteorology affects ATS operations and aircraft performance, and apply meteorological information in the basic operational procedures of ATS. [applicable until 3 August 2024 - ED Decision 2019/023/R]

TOPIC METB 1 — INTRODUCTION TO METEOROLOGY
Subtopic METB 1.1 — Application of units of measurement
BASIC METB 1.1.1Apply the units of measurement appropriate to meteorology.3
Subtopic METB 1.2 — Aviation and meteorology
BASIC METB 1.2.1Explain the relevance of meteorology in aviation.2
BASIC METB 1.2.2Explain the requirements for the provision of meteorological information available to operators, flight crew members, and to air traffic services.2Regulation (EU) 2017/373 Optional content: ICAO Annex 3, ICAO Annex 11
BASIC METB 1.2.3State the meteorological hazards to aviation.1Turbulence, thunderstorms, icing, micro bursts, squall, macro burst, wind shear, volcanic ash
Subtopic METB 1.3 — Organisation of meteorological service
BASIC METB 1.3.1Name the basic duties, organisation and working methods of meteorological offices.1Optional content: WAFS, WAFC, MWO, VAAC, TCAC, SADIS
BASIC METB 1.3.2State the international and national standards for coordination between ATS and MET services.1

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

TOPIC METB 1 — INTRODUCTION TO METEOROLOGY
Subtopic METB 1.1 — Application of units of measurement
BASIC METB 1.1.1Apply the units of measurement appropriate to meteorology.3
Subtopic METB 1.2 — Aviation and meteorology
BASIC METB 1.2.1Recognise the relevance of meteorology in aviation.1
BASIC METB 1.2.2Explain the requirements for the provision of meteorological information available to operators, flight crew members, and to air traffic services.2Regulation (EU) 2017/373 Optional content: ICAO Annex 3, ICAO Annex 11
BASIC METB 1.2.3State the meteorological hazards to aviation.1Turbulence, thunderstorms, icing, micro bursts, squall, macro burst, wind shear, volcanic ash
Subtopic METB 1.3 — Organisation of meteorological service
BASIC METB 1.3.1State the basic duties of meteorological offices.1Optional content: WAFS, WAFC, MWO, VAAC, TCAC, SADIS, aerodrome meteorological office, aeronautical meteorological station
BASIC METB 1.3.2State the international and national standards for coordination between ATS and MET services.1

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

TOPIC METB 2 — ATMOSPHERE
Subtopic METB 2.1 — Composition and structure
BASIC METB 2.1.1State the composition and structure of the atmosphere.1Gases, layers
BASIC METB 2.1.2Describe the basic characteristics of the atmospheric parameters measured.2Temperature, pressure, wind, humidity, density
BASIC METB 2.1.3List the tools used for the collection of meteorological data.1Optional content: barometer, thermometer, ceilometer, anemometer, weather balloons, transmissometer, radar, satellites, etc.
Subtopic METB 2.2 — Standard atmosphere
BASIC METB 2.2.1Describe the elements of the ISA.2Temperature, pressure, density
BASIC METB 2.2.2State the reasons why the ISA has been defined.1
Subtopic METB 2.3 — Heat and temperature
BASIC METB 2.3.1Define the processes by which heat is transferred and how the atmosphere is heated.1Radiation, convection, advection, conduction, water cycle
BASIC METB 2.3.2Describe how temperature varies.2Adiabatic processes, lapse rates, stability, instability
BASIC METB 2.3.3State the influencing factors on surface temperature.1
Subtopic METB 2.4 — Water in the atmosphere
BASIC METB 2.4.1Differentiate between the different processes related to atmospheric moisture.2Condensation, evaporation, sublimation, saturation
BASIC METB 2.4.2Characterise relative humidity, dew point and latent heat.2
Subtopic METB 2.5 — Air pressure
BASIC METB 2.5.1Describe the relationship between pressure, temperature, density and height.2
BASIC METB 2.5.2Explain the relationship between pressure settings.2QFE, QNH, standard pressure
BASIC METB 2.5.3Explain the effect of air pressure and temperature on altimeter readings and the true altitude of aircraft.2
BASIC METB 2.5.4State how atmospheric pressure is measured.1

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

TOPIC METB 2 — ATMOSPHERE
Subtopic METB 2.1 — Composition and structure
BASIC METB 2.1.1State the composition and structure of the atmosphere.1Gases, layers
BASIC METB 2.1.2Describe the basic characteristics of the atmospheric parameters measured.2Temperature, pressure, wind, humidity, density
BASIC METB 2.1.3List the tools used for the collection of meteorological data.1Optional content: barometer, thermometer, ceilometer, anemometer, weather balloons, transmissometer, radar, satellites, etc.
Subtopic METB 2.2 — Standard atmosphere
BASIC METB 2.2.1Describe the elements of the International Standard Atmosphere (ISA).2Temperature, pressure, density
BASIC METB 2.2.2State the reasons why the ISA has been defined.1
Subtopic METB 2.3 — Heat and temperature
BASIC METB 2.3.1Define the processes by which heat is transferred and how the atmosphere is heated.1Radiation, convection, advection, conduction, water cycle
BASIC METB 2.3.2Describe how temperature varies.2Adiabatic processes, lapse rates, stability, instability
BASIC METB 2.3.3State the influencing factors on surface temperature.1
Subtopic METB 2.4 — Water in the atmosphere
BASIC METB 2.4.1Differentiate between the different processes related to atmospheric moisture.2Condensation, evaporation, sublimation, saturation
BASIC METB 2.4.2Characterise relative humidity, dew point and latent heat.2
Subtopic METB 2.5 — Air pressure
BASIC METB 2.5.1Describe the relationship between pressure, temperature, density and height.2
BASIC METB 2.5.2Explain the relationship between pressure settings.2QFE, QNH, standard pressure
BASIC METB 2.5.3Explain the effect of air pressure and temperature on altimeter readings and the true altitude of aircraft.2

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

TOPIC METB 3 — ATMOSPHERIC CIRCULATION
Subtopic METB 3.1 — General air circulation
BASIC METB 3.1.1State the major atmospheric circulation features on the Earth.1Optional content: Hadley cells, high and low belts, polar fronts, westerly winds, upper-level jet streams
Subtopic METB 3.2 — Air masses and frontal systems
BASIC METB 3.2.1Describe the origin and movement of typical air masses and their general effect on European weather.2Polar, arctic, tropical, equatorial (maritime and continental)
BASIC METB 3.2.2Describe the main isobaric features.2Cyclones, anticyclones, ridge, trough
BASIC METB 3.2.3Describe the difference between various fronts and the associated weather.2Warm front, cold front, occluded front
Subtopic METB 3.3 — Mesoscale systems
BASIC METB 3.3.1Describe the main phenomena caused by mesoscale systems.2Mountain waves, Föhn, slope and valley winds, thunderstorm, squall line Optional content: land/sea breezes, tornadoes, land spouts, waterspouts
BASIC METB 3.3.2Explain the relevance of mesoscale systems to aviation.2
Subtopic METB 3.4 — Wind
BASIC METB 3.4.1Explain the significance of wind phenomena and types.2Optional content: veering, backing, gusting, jet streams, land/sea breezes, Föhn, surface, upper
BASIC METB 3.4.2State how wind is measured.1
BASIC METB 3.4.3Explain the effect of forces which influence wind.2

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

TOPIC METB 3 — ATMOSPHERIC CIRCULATION
Subtopic METB 3.1 — General air circulation
BASIC METB 3.1.1State the major atmospheric circulation features on the Earth.1Optional content: Hadley cells, high and low belts, polar fronts, westerly winds, upper-level jet streams
Subtopic METB 3.2 — Air masses and frontal systems
BASIC METB 3.2.1State the typical air masses relevant to European weather.1Optional content: polar, arctic, tropical, equatorial (maritime and continental)
BASIC METB 3.2.2Recognise the main isobaric features.1Optional content: cyclones, anticyclones
BASIC METB 3.2.3Describe the difference between various fronts and the associated weather.1Warm front, cold front, occluded front
Subtopic METB 3.3 — Mesoscale systems
BASIC METB 3.3.1Recognise the main phenomena caused by mesoscale systems.1Mountain waves, valley winds, thunderstorm, squall line Optional content: land/sea breezes, tornadoes, land spouts, waterspouts, Föhn, slope winds
BASIC METB 3.3.2Explain the relevance of mesoscale systems to aviation.2
Subtopic METB 3.4 — Wind
BASIC METB 3.4.1Explain the significance of wind phenomena and types.2Optional content: veering, backing, gusting, jet streams, land/sea breezes, Föhn, surface, upper
BASIC METB 3.4.2State the means by which wind is measured.1Anemometer, wind sock Optional content: wind sensor, Beaufort scale, etc.
BASIC METB 3.4.3Explain the effect of forces which influence wind.2

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

TOPIC METB 4 — METEOROLOGICAL PHENOMENA
Subtopic METB 4.1 — Clouds
BASIC METB 4.1.1Explain the different conditions for the formation of clouds.2
BASIC METB 4.1.2Recognise different cloud types.1
BASIC METB 4.1.3State the cloud types’ main characteristics.1
BASIC METB 4.1.4State how the cloud base and the amount of cloud are measured and/or observed.1
BASIC METB 4.1.5Define cloud base and ceiling.1
BASIC METB 4.1.6Differentiate between cloud base and ceiling.2
Subtopic METB 4.2 — Types of precipitation
BASIC METB 4.2.1Explain the significance of precipitation in aviation.2
BASIC METB 4.2.2Describe types of precipitation and their corresponding cloud families.2Optional content: rain, snow, snow grains, hail, ice pellets, ice crystals, drizzle
Subtopic METB 4.3 — Visibility
BASIC METB 4.3.1Explain the causes of atmospheric obscurity.2
BASIC METB 4.3.2Differentiate between different types of visibility.2Horizontal visibility, slant visibility, prevailing visibility, RVR
BASIC METB 4.3.3State how visibility is measured.1
BASIC METB 4.3.4Explain the significance of visibility in aviation.2
Subtopic METB 4.4 — Meteorological hazards
BASIC METB 4.4.1Explain the meteorological hazards to aviation.2Turbulence, icing, micro bursts, macro burst, wind shear, thunderstorms, volcanic ash Optional content: squall
BASIC METB 4.4.2Describe the effect of meteorological hazards on aviation.2

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

TOPIC METB 4 — METEOROLOGICAL PHENOMENA
Subtopic METB 4.1 — Clouds
BASIC METB 4.1.1Explain the different conditions for the formation of clouds.2
BASIC METB 4.1.2State the different cloud types and their main characteristics.1
BASIC METB 4.1.3State how the cloud base and the amount of cloud are measured and/or observed.1
BASIC METB 4.1.4Define cloud base and ceiling.1
BASIC METB 4.1.5Differentiate between cloud base and ceiling.2
Subtopic METB 4.2 — Types of precipitation
BASIC METB 4.2.1Explain the significance of precipitation in aviation.2
BASIC METB 4.2.2Describe types of precipitation and their corresponding cloud families.2Optional content: rain, snow, snow grains, hail, ice pellets, ice crystals, drizzle
Subtopic METB 4.3 — Visibility
BASIC METB 4.3.1Explain the causes of atmospheric obscurity.2
BASIC METB 4.3.2Differentiate between different types of visibility.2Horizontal visibility, slant visibility, prevailing visibility, RVR
BASIC METB 4.3.3State the means by which visibility is measured.1
BASIC METB 4.3.4Explain the significance of visibility in aviation.2
Subtopic METB 4.4 — Meteorological hazards
BASIC METB 4.4.1Explain the meteorological hazards to aviation.2Turbulence, icing, micro bursts, macro burst, wind shear, thunderstorms, volcanic ash Optional content: squall
BASIC METB 4.4.2Describe the effect of meteorological hazards on aviation.2

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

TOPIC METB 5 — METEOROLOGICAL INFORMATION FOR AVIATION
Subtopic METB 5.1 — Messages and reports
BASIC METB 5.1.1Decode the content of weather reports and forecasts.3METAR, SPECI, TAF, SIGMET Optional content: local reports

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

Consolidated from the EASA Easy Access Rules (revision 14 Jun 2024, extracted 17 Aug 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.

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