Signalman 1 & C - Historic Naval Ships Association

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When conditions, such as travel through narrowwaters, make a commodore's control of the convoyimpracticable, the convoy must be ordered to proceedindependently. The masters will then know theyshould no longer look for guidance.Although the commodore is responsible for thesafe conduct and information of the convoy,MASTERS, INDIVIDUALLY, ARE AT ALL TIMESRESPONSIBLE FOR THE SAFE NAVIGATIONAND HANDLING OF THEIR SHIPS.The commodore will issue maneuvering orders toships in convoy. The OTC may request thecommodore to order a maneuver, and the transmissionbe overheard. Care must be exercised by merchantships to ensure that only those orders addressed tothem are obeyed. Orders from the OTC to thecommodore are not intended for the ships in convoyuntil relayed by the commodore and addressed to shipsin the convoy.VICE COMMODOREThe vice commodore, if assigned, will sail in aship other than that in which the convoy commodoresails. His/her duties are to assist the commodore andto assume the duties of convoy commodore should theconvoy commodore's ship become incapacitated. Ifthe convoy splits, he/she may take charge ascommodore of a section.REAR COMMODOREThe rear commodore, if assigned, assists thecommodore and vice commodore in their tasks andacts for them in their absences. If the convoy splits,he/she may take charge of a section.SPECIAL CONVOY FLAGSLEARNING OBJECTIVES: List and definespecial flags flown in convoy formations.The majority of flags used in convoycommunications will be familiar to signalmen becauseof their normal use in international and Alliedcommunications.COMMODORE’S FLAGA large XRAY flag is flown by the commodore'sship while the convoy is forming up or reforming orwhenever the commodore wishes to make the shipreadily identifiable. It is flown on similar occasions bythe vice or rear commodore's ship when such officerhas assumed command of the convoy or is actingindependently of the commodore when in charge ofsome of the convoy.CONVOY FLAGThe NCSO at the port of departure of a convoywill assign a distinguishing flag to be flown by allships and escorts in a particular convoy. It only haslocal and temporary significance to assist in mutualrecognition.GUIDE FLAGThe commodore's ship normally acts as the guideship of the convoy, but he or she may have anothership to take over as guide. A ship ordered to take overas guide will immediately hoist her largest merchantensign and keep it flying as long as she remains guide.CONVOY FORMATIONLEARNING OBJECTIVES: Explain theprocedures for the forming of ships in a convoyformation.The arrangement of ships in a convoy is termedconvoy formation. While convoys have traditionallybeen formed in columns in line ahead on a broad front,higher speeds and different types of merchant ships,and the modern vehicles, weapons, and sensors ofopposing forces may require convoys to be of any sizeor shape in order to get the best protection possible.CONVOY GRID SYSTEMA formation grid is shown in figure 7-1; the gridallows almost total variation of ship stations within aconvoy. The formation grid also allows for thesituation where it is considered that several small butinterrelated convoys are required.Escorts may or may not be stationed on the samegrid system. Convoy station designators are used asconvoy internal call signs (see fig. 7-1).The convoy will be formulated by the OCA, OTC,commodore, NCSO, and the Sailing Order Folderissued to each ship before sailing. Once at sea, the7-4
Figure 7-1.—Convoy formation grid.OTC is responsible for the convoy formation, and atany time he/she may require alterations to it.COLUMN NUMBERINGWhen a convoy is formed in a broad formation(fig. 7-2), each column is numbered sequentially fromleft to right and prefixed with zero, commencing with01, for the left column.LANE NUMBERINGLanes are the spaces between the columns (see fig.7-2) and the adjacent areas to the left of column 01 andFigure 7-2.—Column and lane numbering.7-5
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NONRESIDENTTRAININGCOURSEJuly 1996S
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COMMANDING OFFICERNETPDTC6490 SAUFL
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PREFACEBy enrolling in this self-st
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CONTENTSCHAPTERPAGE1. Introduction
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PASS/FAIL ASSIGNMENT PROCEDURESIf y
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CHAPTER 1INTRODUCTION TO VISUAL COM
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Phonetic AlphabetSome of the words
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SPOTTERThe spotter is the most valu
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CLASSIFICATIONCommunications Proced
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CHAPTER 2SIGNAL EQUIPMENTBefore Sig
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Five resistors are connected in par
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Because the lamp contains gas under
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Figure 2-7.—AN/SAT 2 infrared tra
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Figure 2-10.—Power conversion uni
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You were born with the finest optic
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assembly. Take care to keep lubrica
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The following steps are required to
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eye. Each eyepiece is adjustable th
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you may hear the sound of gas escap
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Figure 2-23.—Measuring and taping
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Page 2-24.Figure 2-24.—Completing
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off the remaining tail at this poin
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granted by the officer of the deck
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ADDRESS OF MESSAGEMost messages hav
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Figure 3-3.—Parts of a naval mess
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Figure 3-4.—The precedence of a m
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abbreviated service messages, the B
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Standing alone, prosign C means “
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Voice Call SignsVoice call signs ar
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Figure 3-6.—Numeral pennant call
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SHIPS' BOATS.—The following visua
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types of messages that you will be
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with other civil stations unless it
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Call SignsThe following call signs
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When required, a full answer, consi
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To request repetition of the second
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3. The aircraft should be maneuvere
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the receiving station follows suit
Page 82 and 83: SECURITYIn the interest of security
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Page 86 and 87: Table4-2.—Prowords—ContinuedPRO
Page 88 and 89: Table 4-2.-Prowords—ContinuedPROW
Page 90 and 91: EXECUTIVE METHODThe executive metho
Page 93 and 94: CHAPTER 5ALLIED FLAGHOIST PROCEDURE
Page 95 and 96: Figure 5-2.—Numeral pennants; spe
Page 97 and 98: More information on the hoisting of
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Page 101 and 102: Example:If a junior commanding offi
Page 103 and 104: The SCREEN pennant is spoken, writt
Page 105 and 106: The letter N is also used for minus
Page 107 and 108: executive signal will be made by li
Page 109 and 110: CHAPTER 6INTERNATIONAL SIGNALINGIn
Page 111 and 112: Flashing light or sound signaling:
Page 113 and 114: CallingThe identity signal of the s
Page 115 and 116: These examples illustrate the conve
Page 117 and 118: Figure 6-1.—Morse signaling by ha
Page 119 and 120: 5. MISCELLANEOUS6. METEOROLOGY—WE
Page 121 and 122: Figure 6-2.—Distress signals.A si
Page 123 and 124: Figure 6-3.—Lifesaving signals (p
Page 125 and 126: Figure 6-3.—Lifesaving signals (p
Page 127 and 128: signal is not hoisted to the dip; i
Page 129 and 130: CHAPTER 7CONVOY COMMUNICATIONSAltho
Page 131: Ships that pass through the MERZONE
Page 135 and 136: TAKING UP FORMATIONWhen forming a c
Page 137 and 138: RADIOTELEGRAPHRadiotelegraph messag
Page 139 and 140: CHAPTER 8WATCHSTANDING DUTIESVisual
Page 141 and 142: Signalmen must be alert to respond
Page 143 and 144: where persons have fallen overboard
Page 145 and 146: Figure 8-2.—Visual communications
Page 147 and 148: Figure 8-3.—Watch-to-watch invent
Page 149 and 150: SIGNALTable 8-2.—Signals from a S
Page 151 and 152: Figure 8-4.-Vari-color signal illum
Page 153 and 154: Multipurpose LampWhen using the por
Page 155 and 156: Approach ShipThe approach ship main
Page 157 and 158: Figure 8-7.—Transfer-station mark
Page 159 and 160: CHAPTER 9NAVIGATIONAL DUTIESNavigat
Page 161 and 162: possible, then, to obtain relative
Page 163 and 164: distance on a Mercator chart, one m
Page 165 and 166: periodical announces new nautical c
Page 167 and 168: CLASS ABBREVIATION GENERAL DESCRIPT
Page 169 and 170: Sectors may be only a few degrees w
Page 171 and 172: Figure 9-12.—IALA Maritime Buoyag
Page 173 and 174: is used to describe any buoy that i
Page 175 and 176: TopmarksBy day, topmarks are the mo
Page 177 and 178: -Spoil ground marksMilitary exercis
Page 179 and 180: Head-on SituationWhen two ships mee
Page 181 and 182: Figure 9-22.—Pilot vessel, under
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Figure 9-24.—Towing vessels less
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Dredging/Underwater OperationWhen a
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Figure 9-28.—Pushing ahead or tow
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INTERNATIONALMAKING WAYINLANDMAKING
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CHAPTER 10HONORS AND CEREMONIESFrom
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When displayed with foreign ensigns
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way do not half-mast the ensign alt
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Figure 10-2.—Personal flags and c
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concerned, or the senior officer pr
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commission that has no flag officer
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BOAT HAILSBoat hails are used durin
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PresidentTable 10-4.—Passing Hono
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termination of the call, ruffles an
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Page 10-19Figure 10-5.—Personal f
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RED CROSS FLAGThe Red Cross (Geneva
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NOTEOn a flagship where the command
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Formulate and coordinate the comman
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such as “This page is unclassifie
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assigned duties. Personnel authoriz
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Precautionary measures must be take
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In setting a combination, numbers s
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have served their purposes, or are
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ehind pictures and radiators, and u
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A person about to be relieved will
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security should holdings fall into
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would be suitable for use as a seco
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These craft are capable of beaching
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CONTROL AREASLine of Departure (LOD
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station by displaying the designate
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ASSISTANT BOAT GROUPCOMMANDER (ABGC
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Figure l2-8.—Beach flags, markers
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Figure 12-9.—Standard flags and i
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a. Ships, Boats, and Landing CraftC
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In addition to megaphone, radio, an
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circle to the beach. The last 1,000
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Transmit the grid position using le
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Figure 12-16.—Arm and hand contro
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Figure 12-16.—Arm and band contro
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completed. At the end of start and
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wingspan provides the final clue fo
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Figure 13-8.—Fuselage shapesFigur
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SURFACE SHIPSThere are many types o
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Figure 13-13.—Classes of cruisers
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Figure 13-16.—Classes of frigates
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Figure 13-19.—Recognition silhoue
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Figure 13-19.—Recognition silhoue
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Figure 13-22.—Modern submarine.on
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Figure 13-24.—Sail placementFigur
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Figure 13-26.—Appearance groups.T
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Deckhouses are not raised. An islan
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Figure 13-32.—Types of king posts
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Figure 13-35.—Types of funnels.Fi
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CHAPTER 14TECHNICAL ADMINISTRATIONV
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the text on a page and improper cla
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From: Communications OfficerTo: All
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APPENDIX IGLOSSARYABEAM—Bearing 9
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PRECEDENCE—The relative order in
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Figure AII-1.—Formation of charac
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Drill 6This exercise contains all t
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Figure AII-2.—Semaphore alphabet
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Drill 2Practice sending and receivi
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APPENDIX IIIREFERENCE LISTChapter 1
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Replenishment at Sea, NWP 14, Chief
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Clearances, 11-4access, 11-6eligibi
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Flashing light procedure—Continue
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Radiotelephone—Continuedgeneral p
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Assignment QuestionsInformation: Th
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1-12. The multipurpose light is des
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1-40. What does an overscore over a
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1-65.1-66.1-67.1-68.1-69.1-70.In vi
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2-13. By which of the following mea
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2-40.2-41.2-42.2-43.What maneuver f
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2-66. What signals are reserved for
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3-12.3-13.3-14.3-15.3-16.3-17.You a
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3-38. What term denotes the positio
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3-63. You observe the following lig
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4-11.4-12.4-13.Your ship is receivi
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4-37.4-38.4-39.4-40.4-41.4-42.The O
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4-64.4-65.Grades assigned to exerci
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Signalman 1 & C - Historic Naval Ships Association

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