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2. Calculating the DR Hour Angle and Declination of a
Celestial Body
3. Calculating DR Altitudes and Azimuths of Celestial Bodies
4. Plotting Lines of Position and Calculating the Coordinates
of a Fix
5. Determining Compass Correction
CHAPTER VII. PRINCIPLES OF SHIP MANEUVERING
Section 45. Basic Maneuvering Properties
1. General Aspects
2. Basic Maneuvering Properties with One Ship Maneuvering
3. Basic Maneuvering Properties with Two Ships Maneuvering
Section 46. Method of Relative Motion
1. Addition and Subtraction of Vectors
2. Relative Speed and Relative Course
3. Basic Maneuvering Triangles ..
4. Direct Construction of a Speed Triangle
5. Inverse Construction of a Speed Triangle
210
3. Closing in at the Designated Distance in the Shortest Time .. 218
4. Closing at the Designated Distance on a Close Approach
Course ..
220
5. Taking Up Station in the Shortest Time with Respect to a
Guide on a Steady Course and at a Constant Speed ....... 221
6. Changing Position with Respect to a Guide Proceeding on a
Steady Course and at a Constant Speed
223
7. Keeping Station When the Guide Changes Course
225
10. Crossing Astern of the Reference Ship at Minimum
Distance
230
11. Calculating the Maneuver for Passing a Meeting Ship
Section 48. Taking Evasive Action Against an Enemy Proceeding
at Slow and at High Speed ..
231
232
1. Evasive Action Against an Enemy Proceeding at Slow
Speed....
2. Evading a Fast-moving Enemy at a Given Distance
3. Taking Evasive Action Against a Fast-moving Enemy on
an Extreme Course
234
4. Changing Bearing on the Enemy in the Shortest Possible
Time
235
Section 49. Determining the Maneuvering Properties of the Target
236
1. Determining the Course and Speed of the Target from
Bearings, Crossing the Target Course
2. Determining the Course and Speed of the Target from
Distance and Three Bearings...
237
3. Determining the Target Course and Speed from Four
Bearings
238
CHAPTER VIII. SHIPBOARD COMMUNICATION SYSTEMS AND
RULES GOVERNING THEIR USE
Section 50. Organization and Use of Radio Communication
1. Methods of Organizing Radio Communication
2. Use of Communication
3. A Brief Description of Radio Wave Propagation
240
241
Conditions
242
4. Use of Radio Communication in Special Cases under
International Rules .
244
5. Procedure for Transmitting Signals of Special Importance
6. International Radio Frequencies for Transmission of
Signals of Particular Importance
Section 51.-Cont'd
Table of Contents-Cont'd
4. Semaphore Signaling .
5. Pyrotechnic Signaling
Section 52. International Code of Signals
1. Purpose of the International Code of Signals
2. Flag Signaling Using the International Code of Signals
253
258
259
4. Procedure for Hoisting and Lowering Flags and Broad
Pennants of Officials . . . .
270
Section 75. Conversion of Kilometers into Nautical Miles
Section 70. Wind Force and Velocity Scales and State of the Sea
Section 71. Distance in Nautical Miles by Time and Speed .
Section 72. Time in Minutes According to Distance and Speed
Section 73. Relative Speed Table ..
Section 74. Conversion of Nautical Miles into Kilometers
Section 76. Conversion of Cables into Meters
314
317
318
320
322
323
324
Section 77. Conversion of English Miles into Kilometers
325
Section 78. Conversion of Kilometers into English Miles
Section 79. Ratio of Various Units of Measurement of Length
Section 80. Ratio of Various Cubic Units ..
326
327
Section 81. Conversion of Various Weight Measures into Kilograms
and Liters ...
.. 328
Section 82. Conversion of Mercury Pressure to Water Pressure and
Vice Versa ...
328
Section 83. Compass Points in Degrees
329
Section 84. Basic Data on the "Loran-A" Pulse Radio Navigation
System
330
Section 85. Range of the Visible Horizon D, and Radar Horizon D... 331
Section 86. Visibility Range of Light, in Meters . . . .
332
Section 87. Distance to an Object (in Miles) from a Measured
Section 91. Alphabets
337
Section 92. Roman Numerals.
Section 93. Table of Breadths of Territorial Seas and Special Zones
3. Power-driven Vessel, 19.8 m and More in Length, Towing or
349
350
Pushing Other Vessels, and Also Vessels Being Towed Under Way
351
4. Sailing Vessel Under Way
354
5. Vessel Proceeding Under Sail, When also Being Propelled by
Machinery ..
6. Disabled Vessels
355
7. Vessel Unable to Keep Out of the Way of Approaching Ships
8. Vessel Engaged in Minesweeping
356
357
9. Power-driven Vessel of Less Than 19.8 m in Length But Not Less
Than 12.19 m Under Way
358
10. Vessel at Anchor
11. Power-driven Pilot Vessel, With a Length of 19.8 m and More,
When Engaged on Pilotage Duty
359
12. Sailing Pilot Vessel When Engaged on Pilotage Duty and Under
Way
360
13. Vessels Fishing with Trolling Lines Under Way
14. Vessel at Least 12.19 Meters in Length, Fishing (Except Trawling),
Under Way ..
361
15. Ships Fishing in Daylight
16. Vessel Engaged in Laying or Picking Up a Submarine Cable or
Navigation Mark, or a Vessel Engaged in Surveying or Underwater
20. Lights and Shapes of Lightships of the USSR Not on Station
363
21. Location of Lights on a Warship
364
22. Signals in Passing Vessels With Dredging Gear
23. High Tide and Low Tide Signals in Port
24. Wave Height Signals ..
25. Signals for Movement in Harbors and Roadsteads
26. Storm Signals
365
366
367
368