# Commission Regulation (EU) No 1178/2011 of 3 November 2011 laying down technical requirements and administrative procedures related to civil aviation aircrew pursuant to Regulation (EC) No 216/2008 of the European Parliament and of the Council (Text with EEA relevance), Division (a): To revalidate a CRI certificate, applicants shall fulfil, within the validity period of the CRI certificate, at least two out of the following three requirements:

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

(1)conduct at least 10 hours of flight instruction as a CRI. If applicants have CRI privileges on both single-engine and multi-engine aeroplanes, those hours of flight instruction shall be equally divided between single-engine and multi-engine aeroplanes;
(2)complete a refresher training as a CRI at an ATO or at a competent authority;
(3)pass the assessment of competence in accordance with point FCL.935 for multi-engine or single-engine aeroplanes, as relevant.

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Source: https://www.legislation.gov.uk/eur/2011/1178/annex/I/division/SUBPART+J/section/5/division/FCL.940.CRI/division/a (the official version)
Page: https://openlegislation.uk/eu-regulation-2011-1178/annex-I/division-SUBPART+J/section-5/division-FCL.940.CRI/division-a
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.