142 



HYDROGRAPHIC MANUAL 



Page 30 



COMMANDING OFFICER 



EXECUTIVE OFFICER 



SURVEY SHIP 

 Offshore fiydrograpfiy by visual and R.A.R. 

 control. Construction of survey and sono- 

 radio buoys; their establishment and location. 



WATCH No. I 



NAVIGATING OFFICER 

 In charge of watch, bridge per- 

 sonnel, charts and corrections. 

 Notice to Mariners. 

 Navigating and surveying in- 

 struments. Assists with com- 

 putations. 



SHIP LAUNCH PARTY 

 Signal building, triangulatioi 

 topography or inshore hydr( 



ACCOUNTING OFFICER 

 In charge of watch. 



FIELD RECORDS OFFICER 

 n charge of survey records 



and adjustments 



Signal building and location. 

 Tnangulation or topography. 



Signal building and location. 

 Triangulation or topography. In- 

 shore hydrography. Installa- 

 tion and maintenance of tide 



OFFICER-IN CHARGE 

 Computations of own field 



0CE1N0GRAPHIC OFFICER 

 In charge of oceanographic in- 



tures. velocity corrections, 

 horizontal velocity computa- 

 tations, tide reducers. 



ASSISTANT ACCOUNTING 

 OFFICER 

 charge clothing and srtiall 

 ores, supervises ship's can- 

 ntories. Assists with 

 omputations. 



tee 



OFFICER-IN-CHARGE 

 Computations of own field 

 data. 



OFFICER-IN-CHARGE 

 mputations of own field 



DECK OFFICER 

 lining- Right angle. As- 

 in all operations, checks 



OFFICER ASSISTANT 

 Assists in all operations. 

 Checks field data. 



ASSISTANT NAVIGATING 

 OFFICER 

 n charge sounding and R A R. 

 quipment. Monthly and seas, 

 nal report data. Assists with 

 omputations. 



DECK OFFICER 



ADDITIONAL DUTIES 

 OFFICER OF THE DECK in turn 



AT SEA: Supervises Quartermasters and rough logs, writes smooth log and tabulates statistics. 



IN PORT: Supervises watch, stowage of supplies, writes smooth log. 

 ONE OFFICER ELECTED CATERER OF WARDROOM MESS. 



Figure 3.— Organization chart of a survey ship. 



