System for co-owning watercraft, computer, and method of co-owning watercraft

A computer used for co-owning a watercraft, the computer comprising:

• a storage to obtain and store information regarding co-owning the watercraft;
• a central processing unit configured or programmed to store a unique watercraft ID and a unique communication module ID in association with each other, the unique watercraft ID being assigned to the watercraft, the unique communication module ID being assigned to a communication module, and the communication module being attachable to the watercraft and operable to store information regarding the watercraft;
• and
• a watercraft information provider to provide one of communication terminals used by co-owners of the watercraft with the information regarding the watercraft received from the communication module in response to a request from the one of the communication terminals.

A method of co-owning a watercraft, the method being executable by a computer and comprising:

• obtaining and storing information regarding co-owning the watercraft;
• storing a unique watercraft ID and a unique communication module ID in association with each other, the unique watercraft ID being assigned to the watercraft, the unique communication module ID being assigned to a communication module, and the communication module being attachable to the watercraft and operable to store information regarding the watercraft;
• and
• providing one of communication terminals used by co-owners of the watercraft with the information regarding the watercraft received by the computer from the communication module in response to a request from the one of the communication terminals.