# 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 (b): The assessment of competence for a TRI for single-pilot high-performance complex aeroplanes and helicopters shall be conducted in any of the following:

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

(1)an available and accessible FFS;
(2)if no FFS is available or accessible, in a combination of FSTD(s) and an aircraft;
(3)if no FSTD is available or accessible, in an aircraft.

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Source: https://www.legislation.gov.uk/eur/2011/1178/annex/I/division/SUBPART+J/section/4/division/FCL.935.TRI/division/b (the official version)
Page: https://openlegislation.uk/eu-regulation-2011-1178/annex-I/division-SUBPART+J/section-4/division-FCL.935.TRI/division-b
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.