INDEX 



Active duty requirements, 4 

 Active sonar, 91 

 theory, 95-98 

 Advance and transfer, 27 

 Advancement in rating, 2 

 Aircraft, ASW, 19 

 Ambient noise, 39 

 Ammeter, 173 

 AN/BQH-IA, 58 

 QN/BSH-2D, 58 

 Angle on the bow, 32 

 Antisubmarine units, 14-19 

 Antisubmarine weapons, 110-112 

 Armament, submarine, 13 

 Array-type passive sonar, 99 

 Artificial respiration, 156 

 Artificial targets, 54 

 ASROC, 18 

 Attack lead, 29 



B 



Basic computing mechanisms, fire control, 



Basic courses, 7 



Basic fire control, introduction, 110 



BATHY message information, 82 



Bathythermograph 



expendable, 86 



shipboard, 61 



submarine, 58 

 Bearing drift, 27 

 Bearing measurement, 20 

 Bearings, 22-26 

 Brushes, generator, 173 

 BT 



calibration, 70 



logs, 77-83 



maintenance, 69 



message, 84 



slides, 71 



118 



towing equipment, 65 

 towing operation, 66-69 

 trace readout, 82 



Call signs, 135 



Capacitors, 165 



Cavitation, 41 



Coils, electronic circuitry, 162-164 



Collision lead, 29 



Communications, introduction, 132 



emergency, 144 



pyrotechnic, 145 

 Commutators, 173 

 Conductor markings, 160 

 Continuity tests, 171 

 Convergence zone, 50 

 Conversion table, inches to millibars, 81 

 Converting true and relative bearings, 25 

 Corrective maintenance, 147 

 CRT oscilloscope, block diagram, 159 

 CTEM log, 84-87 



Decibels, 38 



Deep water sound propagation, 49-51 



Detection-to-destruction phases, 



fire control, 112-114 

 Development of submarines, 9-12 

 Dial readings, fire control, 130 

 Divergence, sound wave, 43 

 Doppler, 29,51,128 

 Duty assignments, 2 



Echoes, 53 



Echo presentation, 96 



Electric shock, 156 



178 



