---
title: "MET.OR.220 Aerodrome forecasts — SPECIFIC REQUIREMENTS FOR PROVIDERS OF METEOROLOGICAL SERVICES, ATM/ANS · Avioverse"
description: "An aerodrome meteorological office shall issue aerodrome forecasts as a TAF at a specified time."
url: "https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-a/met-or-220"
---

# MET.OR.220 Aerodrome forecasts

SPECIFIC REQUIREMENTS FOR PROVIDERS OF METEOROLOGICAL SERVICES · Regulation (EU) 2017/373 · EAR revision 12 Mar 2025

Official sources: [EASA Easy Access Rules (opens in a new tab)](https://www.easa.europa.eu/en/document-library/easy-access-rules/easy-access-rules-air-traffic-managementair-navigation-services-provision-services) · [EUR-Lex 2017/373 (opens in a new tab)](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32017R0373)

IR Implementing rule

## MET.OR.220 Aerodrome forecasts

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

(b) When issuing TAF, the aerodrome meteorological office shall ensure that not more than one TAF is valid at an aerodrome at any given time.

IR · MET.OR.220 — Regulation (EU) 2017/373 · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

AMC Acceptable means of compliance

## AMC1 MET.OR.220(a) Aerodrome forecasts

DISSEMINATION OF TAF

TAF, as well as corrections and amendments thereto, should be disseminated to international OPMET databanks and to centres responsible for the operation of aeronautical fixed service Internet-based services.

AMC · AMC1 MET.OR.220(a) — Regulation (EU) 2017/373 · ED Decision 2022/004/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

GM Guidance material

## GM1 MET.OR.220(a) Aerodrome forecasts

DISSEMINATION OF TAF

Guidance on the dissemination of TAF to users is provided in ICAO EUR Doc 018 ‘EUR OPMET DATA MANAGEMENT HANDBOOK’.

GM · GM1 MET.OR.220(a) — Regulation (EU) 2017/373 · ED Decision 2022/004/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

[All rules in SUBPART A — ADDITIONAL ORGANISATION REQUIREMENTS FOR PROVIDERS OF METEOROLOGICAL SERVICES (MET.OR)](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-a)

Consolidated from the EASA Easy Access Rules (revision 12 Mar 2025, extracted 2 Nov 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.