Deck and Engineering Departments :
These are the people in charge of keeping the ship well maintained, running smoothly, and on course - all the while ensuring everyone's safety, keeping detailed records, and being knowledgeable of maritime laws and regulations. While the captain is usually very visible, you may not realize that there are many additional crew members, each with important duties. For most of these positions you'll need to have some experience onboard a ship and specialized training. However, there are some internships and/or apprenticeship programs that can launch your career in this department.
Note : The staff requirement are totally based on Shape, Size, Services & Technicality of the ship / vessel.