Multi-Class Advanced Submerged Ship Control Trainer

The Device 21C7A provides a shore-based dynamic training device, capable of simulating training problems peculiar to steering, diving, ballast control, and casualty control situations of the following five classes of U. S. Navy submarines: SSN 594, SSN 637, SSN 688 and SSN 688(I) attack classes, and SSBN 640 fleet ballistic missile class. Device 21C7A provides a realistic submarine atmosphere by duplicating the internal environment of the five classes of submarines through the layout of the device platform as well as through the appearance and operation of the controls and indicators. In addition, the external environment for all submarines is simulated by computer generated surface effects wave action and bathythermal effects. This simulation of both external and internal environments minimizes at sea training time by providing the necessary instrument familiarization and shore based training for submarine control crews undergoing basic training. Also, assists experienced submariners transition to a new class assignment and proficiency training to qualified crew members to develop and improve skills, knowledge and ship handling. Additionally, training in important operating procedures, such as emergency hazardous operations, which would not normally be practiced underway (such as flooding, control jamming, and loss of propulsion) is integral to Device 21C7A operation.