A crew
a fleet
Sailors (a.k.a. Sea-Men)
You call them kilometres
A slip
Charles II of England used a light, fast sailing vesel to carry him to Britain from Holland for his restoration, and the term "yacht" came to be used to describe a vessel used to convey important persons.
A Captin Of The Ship
A ballast
A group of people call the socs.
A yacht.
pee
A septet.
Genocide