A crew adds hands and eyes. It does not add authorities — and that is the whole reason this chapter opens on the remote pilot in command rather than on the crew itself. The role is the one § 2.1 set out: one person, designated before or during the flight, directly responsible for and the final authority as to the operation, carrying the § 107.19 duties in full. Adding people changes none of it. A crew adds hands and eyes; it does not add authorities. The duties do not divide as the operation grows and they do not dilute — they concentrate on the one name.

That is what makes a crew a crew rather than a committee, and it is the assumption every section that follows rests on. One refinement, from FAA guidance rather than the rule: AC 107-2A explains that the remote PIC designation may be TRANSFERRED between certificated remote pilots mid-operation, by positively communicating the handover, provided each can maintain visual line of sight without losing control. So the name can change during a flight — what cannot happen is two people holding the authority at the same time. Other people will work the controls and watch the sky, but they do so inside the remote PIC’s authority and inside the remote PIC’s responsibility; the compliance load and the safety load stay with the designated person whatever the staffing looks like. The rest of this chapter is about how the WORK distributes across a crew while the accountability, by rule, does not.