An amendment is being proposed to this OTAR (and to OTAC 174-1). To review the draft document before it is formally published, please click the "download consultation document" button above.

In addition to textual changes, the amendments cover revisions to the roles and responsibilities of MET Authorities, MET Service Providers and Aeronautical MET stations together with updated examples of Service Definition Documents and the requirements for Quality Management Systems.

In addition to this formal written consultation, these changes will be discussed during the forthcoming ASSI on-site workshops and remote Webinars.

Comments should be received by 1 November 2021 and can be sent by email to editor@airsafety.aero or by post to our office address.


This OTAR Part details the requirements on those parties charged with discharging the Governor’s responsibilities concerning the provision of meteorological information for international air navigation within the Territory to ensure compliance with ICAO Annex 3 (Meteorological Services for International Air Navigation).

It describes the responsibilities of the meteorological authority, the meteorological service provider and the designated regulator.


Change Information

  1. First Issue - released for gazetting August 2011
  2. Issue 2 - June 2017

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