# Commission Implementing Regulation (EU) No 923/2012 of 26 September 2012 laying down the common rules of the air and operational provisions regarding services and procedures in air navigation and amending Implementing Regulation (EU) No 1035/2011 and Regulations (EC) No 1265/2007, (EC) No 1794/2006, (EC) No 730/2006, (EC) No 1033/2006 and (EU) No 255/2010 (Text with EEA relevance), Division SERA.12010: Other non-routine aircraft observations

Extent: E+W+S+N.I.

When other meteorological conditions not listed under SERA.12005 (a), e.g. wind shear, are encountered and which, in the opinion of the pilot-in-command, may affect the safety or markedly affect the efficiency of other aircraft operations, the pilot-in-command shall advise the appropriate air traffic services unit as soon as practicable.

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Source: https://www.legislation.gov.uk/eur/2012/923/annex/section/12/division/SERA.12010 (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-923/annex/section-12/division-SERA.12010
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.