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SUBPART A — ADDITIONAL ORGANISATION REQUIREMENTS FOR PROVIDERS OF METEOROLOGICAL SERVICES (MET.OR)

SPECIFIC REQUIREMENTS FOR PROVIDERS OF METEOROLOGICAL SERVICES · Air Traffic Management / Air Navigation Services · Regulation (EU) 2017/373 · MET.OR.100 – MET.OR.275

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  1. MET.OR.100 Meteorological data and information

    A meteorological services provider shall provide operators, flight crew members, air traffic services units, search and rescue services units, aerodrome…

    GM1 MET.OR.100 Meteorological data and information

    GM2 MET.OR.100 Meteorological data and information

    AMC1 MET.OR.100(a) Meteorological data and information

    GM1 MET.OR.100(a) Meteorological data and information

  2. MET.OR.105 Retention of meteorological information

    A meteorological services provider shall retain meteorological information issued for a period of at least 30 days from the date of issue.

    GM1 MET.OR.105(b) Retention of meteorological information

  3. MET.OR.110 Meteorological information exchange requirements

    A meteorological services provider shall ensure it has systems and processes in place, as well as access to suitable telecommunications facilities to:

    GM1 MET.OR.110 Meteorological information exchange requirements

    GM2 MET.OR.110 Meteorological information exchange requirements

    GM1 MET.OR.110(a) Meteorological information exchange requirements

  4. MET.OR.115 Meteorological bulletins

    The meteorological services provider responsible for the area concerned shall provide meteorological bulletins to the relevant users.

  5. MET.OR.120 Notification of discrepancies to the world area forecast centres (WAFCs)

    The meteorological services provider using WAFS SIGWX forecasts shall notify the WAFC concerned immediately if significant discrepancies are detected or…

    GM1 MET.OR.120 Notification of discrepancies to the world area forecast centres (WAFCs)

  6. MET.OR.200 Meteorological reports and other information

    An aeronautical meteorological station shall issue: local routine report at fixed intervals, only for dissemination at the aerodrome of origin;

    GM1 MET.OR.200(a) Meteorological reports and other information

    AMC1 MET.OR.200(a) Meteorological reports and other information

    GM1 MET.OR.200(a)(2) Meteorological reports and other information

    AMC1 MET.OR.200(a)(3) Meteorological reports and other information

    AMC2 MET.OR.200(a)(3) Meteorological reports and other information

    GM1 MET.OR.200(a)(3) Meteorological reports and other information

    AMC1 MET.OR.200(b) Meteorological reports and other information

    AMC2 MET.OR.200(b) Meteorological reports and other information

    GM1 MET.OR.200(b) Meteorological reports and other information

    GM2 MET.OR.200(b) Meteorological reports and other information

    GM3 MET.OR.200(b) Meteorological reports and other information

    AMC1 MET.OR.200(d) Meteorological reports and other information

  7. MET.OR.205 Reporting of meteorological elements

    An aeronautical meteorological station shall report: surface wind direction and speed;

  8. MET.OR.210 Observing meteorological elements

    An aeronautical meteorological station shall observe and/or measure:

    AMC1 MET.OR.210 Observing meteorological elements

    AMC2 MET.OR.210 Observing meteorological elements

  9. MET.OR.215 Forecasts and other information

    An aerodrome meteorological office shall: prepare and/or obtain forecasts and other relevant meteorological information necessary for the performance of…

    AMC1 MET.OR.215(a) Forecasts and other information

    GM1 MET.OR.215(a) Forecasts and other information

    GM2 MET.OR.215(a) Forecasts and other information

    AMC1 MET.OR.215(c) Forecasts and other information

    GM1 MET.OR.215(c) Forecasts and other information

    GM2 MET.OR.215(c) Forecasts and other information

    GM3 MET.OR.215(c) Forecasts and other information

    GM1 MET.OR.215(d) Forecasts and other information

    GM2 MET.OR.215(d) Forecasts and other information

    GM3 MET.OR.215(d) Forecasts and other information

    AMC1 MET.OR.215(e) Forecasts and other information

    AMC1 MET.OR.215(f) Forecasts and other information

    AMC1 MET.OR.215(g) Forecasts and other information

  10. MET.OR.220 Aerodrome forecasts

    An aerodrome meteorological office shall issue aerodrome forecasts as a TAF at a specified time.

    AMC1 MET.OR.220(a) Aerodrome forecasts

    GM1 MET.OR.220(a) Aerodrome forecasts

  11. MET.OR.225 Forecasts for landing

    An aerodrome meteorological office shall prepare forecasts for landing as determined by the competent authority.

    GM1 MET.OR.225 Forecasts for landing

    GM1 MET.OR.225(a) Forecasts for landing

    GM1 MET.OR.225(b) Forecasts for landing

  12. MET.OR.230 Forecasts for take-off

    An aerodrome meteorological office shall: prepare forecasts for take-off as determined by the competent authority;

  13. MET.OR.235 Aerodrome warnings and wind shear warnings and alerts

    An aerodrome meteorological office shall: provide aerodrome warnings information;

    GM1 MET.OR.235 Aerodrome warnings and wind shear warnings and alerts

    AMC1 MET.OR.235(c) Aerodrome warnings and wind shear warnings and alerts

    GM1 MET.OR.235(c) Aerodrome warnings and wind shear warnings and alerts

    GM1 MET.OR.235(d) Aerodrome warnings and wind shear warnings and alerts

  14. MET.OR.240 Information for use by operator or flight crew

    An aerodrome meteorological office shall provide operators and flight crew members with the latest available:

    GM1 MET.OR.240(a) Information for use by operator or flight crew

    GM1 MET.OR.240(b) Information for use by operator or flight crew

    GM1 MET.OR.240(d) Information for use by operator or flight crew

    GM1 MET.OR.240(e) Information for use by operator or flight crew

  15. MET.OR.242 Information to be provided to air traffic services units

    An aerodrome meteorological office shall provide, as necessary, its associate aerodrome control tower and AFIS unit with:

  16. MET.OR.245 Meteorological watch and other information

    Within its area of responsibility, the meteorological watch office shall:

    AMC1 MET.OR.245(a) Meteorological watch and other information

    AMC1 MET.OR.245(f)(3) Meteorological watch and other information

  17. MET.OR.250 SIGMET

    A meteorological watch office shall: issue SIGMET; ensure that the SIGMET is cancelled when the phenomena are no longer occurring or are no longer…

    AMC1 MET.OR.250(a) SIGMET

    AMC2 MET.OR.250(a) SIGMET

    GM1 MET.OR.250(a) SIGMET

    AMC1 MET.OR.250(c) SIGMET

  18. MET.OR.255 AIRMET

    A meteorological watch office shall: issue AIRMET when the competent authority has determined that the density of traffic operating below flight level…

    AMC1 MET.OR.255(a) AIRMET

    GM1 MET.OR.255(a) AIRMET

  19. MET.OR.260 Area forecasts for low-level flights

    A meteorological watch office shall ensure that: in the case of AIRMET being issued in combination with area forecasts for low-level flights in…

  20. MET.OR.265 Volcanic ash advisory centre responsibilities

    In its area of responsibility, the VAAC shall: when a volcano has erupted, or is expected to erupt, or volcanic ash is reported, issue advisory…

    AMC1 MET.OR.265(a) Volcanic ash advisory centre responsibilities

    GM1 MET.OR.265(a) Volcanic ash advisory centres (VAACs) responsibilities

    GM2 MET.OR.265(a) Volcanic ash advisory centre responsibilities

  21. MET.OR.270 Tropical cyclone advisory centre responsibilities

    In its area of responsibility, the TCAC shall issue: advisory information concerning the position of the cyclone centre, changes in intensity at the time…

    AMC1 MET.OR.270(a) Tropical cyclone advisory centre responsibilities

    GM1 MET.OR.270(a) Tropical cyclone advisory centre responsibilities

  22. MET.OR.275 World area forecast centre responsibilities

    The WAFC shall issue: gridded global forecasts of: upper wind;

    AMC1 MET.OR.275(a) World area forecast centre responsibilities

Consolidated from the EASA Easy Access Rules (revision 12 Mar 2025, 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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