Depending of crew nationality, they may need escorts for embarking or disembarking passengers in Chile. If they hold chilean visa, no escorts are needed. This must be checked in every case, due some other nationalities does not require chilean visa nor escort.It is possible to perform crew changes here. All crew leaving the vessel must be checked by immigration and custom officers in port. No vegetables, fruits and wood are allowed ashore.No restrictions on shore leaveThere is no mission in portIn Antofagasta there are no embassies. You can find them in Santiago.