Note 1: A hybrid system may be used with any of these modes of operations.U.K.
Commission Regulation (EC) No 8/2008 of 11 December 2007 amending Council Regulation (EEC) No 3922/91 as regards common technical requirements and administrative procedures applicable to commercial transportation by aeroplane (Text with EEA relevance)
Note 1: A hybrid system may be used with any of these modes of operations.U.K.