Page 



form drag 392 



skin friction drag 393 



Drebel, Cornelius 1 



Dry weight, defined '^6 



DS-2 207 



DSV-3 193 



DSV-4 193 



Effective horsepower, defined 396 



Electric Power, application in submersibles 313 



interference 315 



terminology and general considerations 314 



EMERALD STRAITS, M/V 573 



Emergencies, avoidance devices and procedures 651 



automatic deballasting "55 



buoys 655 



depth gages 653 



echo sounders "56 



life support monitors "57 



pingers "58 



scanning sonar "55 



surface support/communication systems 558 



transponders "59 



underwater telephones "'9 



corrective devices and procedures "59 



equipment jettison ""^ 



fire control """ 



flood control 666 



high pressure ballast tank blow "60 



inflatable bags 665 



life support failure/toxic gasses 430 



manual deballasting 660 



personnel egi'ess ""0 



power loss 669 



pressure hull release 665 



releaseable capsule 665 



trim fluid drop 660 



weight drop "5" 



design considerations for: 



deballasting loss 19 



entanglement 19 



fire and noxious gasses 19 



power loss 19 



tracking loss 19 



devices and procedures, vehicle-by-vehicle 652 



incidents 685 



accidental ballast weight dr'op 686 



accumulation of sediment "91 



buoy entanglement 686 



collision with bottom 691 



dam inspection "9^ 



during salvage 694 



electrical fire 690 



entanglement 686 



fish attack 691 



747 



