Apparatus for coastal navigation and self rescue

摘要

The present invention provides adjustable vessel draft by controlling buoyancy and making navigation possible in both shallow and deep waters without changing the total vessel weight or its given payload. The present invention also provides necessary deep water seakeeping characteristics and dynamic stability of the vessel by using elastic secondary main hull or adjustable vertical hulls for safe operations and navigation in both shallow and deep waters for all purposes. The present invention also provides a vessel self rescue system which can also be used as a temporary apparatus of navigation in shallow waters.