Title: pilots - When does a flight require a copilot? - Aviation Stack Exchange
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When does a flight require a copilot?
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EU OPS (965) Subpart N
Ops 1.940 Composition of flight crew
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Content: In EASA comercial flying the minimum crew compositon is defined here: EU OPS (965) Subpart N
Ops 1.940 Composition of flight crew
(b) Minimum flight crew for operations under IFR or at night. For operations under IFR or at night, an operator shall ensure that: for all turbo-propeller aeroplanes with a maximum approved passenger seating configuration of more than nine and for all turbo-jet aeroplanes, the minimum flight crew is two pilots; or
aeroplanes other than those covered by subparagraph (b)1 above are operated by a single pilot provided that the requirements of Appendix 2 to OPS 1.940 are satisfied. If the requirements of Appendix 2 are not satisfied, the minimum flight crew is two pilots. And then the much longer Appendix 2 stating: (a) Aeroplanes referred to in OPS 1.940 (b)2 may be operated by a single pilot under IFR or at night when the following requirements are satisfied: the operator shall include in the Operations Manual a pilot's conversion and recurrent training programme which includes the additional requirements for a single pilot operation; in particular, the cockpit procedures must include: