CAT.GEN.MPA.185 Information to be retained on the ground
(a) The operator shall ensure that at least for the duration of each flight or series of flights:
(1) information relevant to the flight and appropriate for the type of operation is preserved on the ground;
(2) the information is retained until it has been duplicated at the place at which it will be stored; or, if this is impracticable
(3) the same information is carried in a fireproof container in the aircraft.
(b) The information referred to in (a) includes:
(1) a copy of the operational flight plan, where appropriate;
(2) copies of the relevant part(s) of the aircraft technical log;
(3) route-specific NOTAM documentation if specifically edited by the operator;
(4) mass and balance documentation if required; and
(5) special loads notification.