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SPECIFIC REQUIREMENTS FOR PROVIDERS OF METEOROLOGICAL SERVICES · Regulation (EU) 2017/373 · EAR revision 12 Mar 2025
IRImplementing rule
(a)An aerodrome meteorological office shall prepare forecasts for landing as determined by the competent authority.
(b)This forecast for landing shall be issued in the form of a TREND forecast.
(c)The period of validity of a TREND forecast shall be 2 hours from the time of the report which forms part of the landing forecast.
IR · MET.OR.225 — Regulation (EU) 2017/373 · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025
GMGuidance material
RANGE Landing forecasts are intended to meet the requirements of local users and of aircraft within about one hour’s flying time from the aerodrome.
GM · GM1 MET.OR.225 — Regulation (EU) 2017/373 · ED Decision 2017/001/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025
GMGuidance material
PREPARATION As all the aerodromes do not need to be provided with forecasts for landing, the competent authority determines on which aerodromes these types of forecasts will be provided by the aerodrome meteorological office.
GM · GM1 MET.OR.225(a) — Regulation (EU) 2017/373 · ED Decision 2017/001/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025
GMGuidance material
TREND FORECAST A TREND forecast is understood as being a concise statement of the expected significant changes in the meteorological conditions at that aerodrome to be appended to a METAR or SPECI, and if agreed between the aeronautical meteorological station and the appropriate ATS unit, in a local routine report and a local special report as well.
GM · GM1 MET.OR.225(b) — Regulation (EU) 2017/373 · ED Decision 2022/004/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025
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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