This is the most comprehensive type of inspection, and is strongly advised when purchasing a new or used vessel. Condition and overall operation of the vessel is examined. This covers structural integrity, electrical, propulsion, and fuel systems, miscellaneous on-board systems to include machinery, navigation and communications equipment, rigging and safety gear.

The use of a sub-contractor for comprehensive engine evaluation is common. Cosmetic appearance and overall maintenance of the vessel are evaluated.

This type of survey requires a haul-out and most often a sea trail and the valuation takes into account vessel resale potential.

Fair Market and Replacement valuations are estimated through the use of appraisal guidebooks, open and closed access Internet services, comparable listing prices of vessels for sale, comparable survey values and comparable sale prices where available.