NCO.SPEC.115 Crew responsibilities
Regulation (EU) 2018/1042
(a) The crew member shall be responsible for the proper execution of his/her duties. Crew duties shall be specified in the checklist.
(b) During critical phases of the flight or whenever deemed necessary by the pilot-in-command in the interest of safety, the crew member shall be restrained at his/her assigned station, unless otherwise specified in the checklist.
(c) During flight, the flight crew member shall keep his/her safety belt fastened while at his/her station.
(d) During flight, at least one qualified flight crew member shall remain at the controls of the aircraft at all times.
(e) The crew member shall not undertake duties on an aircraft:
(1) if he/she knows or suspects that he/she is suffering from fatigue as referred to in 7.f. of Annex IV to Regulation (EC) No 216/2008 or feels otherwise unfit to perform his/her duties; or
(2) when under the influence of psychoactive substances or for other reasons as referred to in 7.g of Annex IV to Regulation (EC) No 216/2008.
(f) The crew member who undertakes duties for more than one operator shall:
(1) maintain his/her individual records regarding flight and duty times and rest periods as referred to in Annex III (Part-ORO), Subpart FTL to Regulation (EU) No 965/2012, if applicable; and
(2) provide each operator with the data needed to schedule activities in accordance with the applicable FTL requirements.
(g) The crew member shall report to the pilot-in-command:
(1) any fault, failure, malfunction or defect, which he/she believes may affect the airworthiness or safe operation of the aircraft, including emergency systems; and
(2) any incident that was endangering, or could endanger, the safety of the operation.