Embarkation
Embarkment (sometimes embarcation or embarkation) is the process of loading a passenger ship or an airplane with passengers or military personnel, related to and overlapping with individual boarding on aircraft and ships.
Wikipedia
Embarkation (noun)
The act of embarking.
Embarkation (noun)
The process of loading military personnel and vehicles etc into ships or aircraft.
Embarkation (noun)
A vessel.
Embarcation (noun)
alternative form of embarkation
Wiktionary