Page 894 



INDEX 



Buoy(s)— Continued. 

 Control— Continued. „ . 



located by-Continued. Kercrcnce 



R. A. K. distances— Continued. ^°- ^^S'' 



Report required .- 8324 781 



sextant from ship stations inshore 2514 115 



sextant, records required ^ 8321 779 



shore-station observations 2521 117 



subaqueous sound ranging 2533 121 



sun azimuths and distances 2525 119 



sun azimuths to shore stations 2524 119 



taut-wire distances 2532 121 



theodolite .-. 2521 117 



three-point fixes - 2512 113 



at buoy anchors 2511 112 



on range with shore stations 2513 114 



traverse , closures reported 8323 D 78 1 



traverse, records required 8323 780 



located from eccentric ship position 2512 113 



located with reference to shore objects, rec- 

 ords required 8322 780 



located with reference to submarine relief--- 2536 125 



Location methods 742 687 



Location methods described in Descriptive 



Report U2F 788 



Log distances used in locating 2525 1 20 



Number of at anchor simultaneously.- 2546 131 



Planning the use of 2546 131 



, .. (2513 114 



position computations <q4 ogQ 



Abstract required 8322 780 



by geographic positions 9441 864 



by plane coordinates 9442 864 



„, , . 194 860 



Checking |g44 gg3 



Records required 8322 780 



positions computed 7421a 688 



positions determined graphically 74216 688 



positions, determining 7421 687 



positions, graphic methods versus compu- 

 tations 25 111 



referenced to each other 2531 120 



by depression angles 2531 120 



by rangefinder distances 2531 120 



12514 115 



Sextant location from vessel -^2551 132 



12552 134 



Number of observers required 2514 115 



Spacing 212 61 



for three-point fix observations 2541 129 



system (see Buoy-contro! scheme) 



Tabulation required in Descriptive Report- 8435 792 

 Taut-wire apparatus used to measure dis- 

 tances between 4466 356 



Theodolite direction and sextant angle at 



buoy used to locate 2522 117 



traverse computations (see Buoys, control, 

 position computations) 



used to span water areas 25 110 



Use in hydrographic surveys 25 109 



Marker 



Construction -- 2821 165 



Use in examining shoals 3665 284 



Various uses of 2812 164 



Navigation 



Chart for Coast Guard's use in locating 8533 799 



Coast Pilot requirements 916 827 



Designating on smooth sheets 7843(c) 741 



Locating 8531 798 



Marker , determining positions of 3832 300 



{38.32 300 



8531 798 



~ ^ ^. ^. f3832 300 



off .station, reportmg vmi 798 



off station temporarily, positions of 383 299 



■out of position, report of 174 57 



Plotting on smooth sheet 769 714 



positions determined by three-point fix 3832 299 



positions inadequate, reporting 8531 798 



positions reported in Descriptive Report-.- 8531 798 



Recommendations for additional 3832 300 



Recommendations for change in location.- 3832 300 



Referencing to sounding line 3353 226 



, ,. .. f784 739 



symbouzation 17842 740 



Tabulation required in Descriptive Report. 842P 790 



Template for making symbol 7842 740 



. positions (see Buoys, control) 



Believing 



Navy mine casings used for 2835 176 



used with sono-radio buoys 12835 176 



Precautions- - 283 171 



fiono-radio (see Sono-radio buoys) 



Streamlined , description - 2843 182 



tested in currents 2843 183 



Reference 

 Buoy(s)— Continued. ^°- 



Survey (see also Buoys, control) --- 28 



anchor(s) - 2831 



Bottom characteristics from 3841 



Concrete 2831 



detaching apparatus--- 2834 



anchor cable - --- 2832 



Attaching to buoy 2835 



Chain and wire rope combinations -- 2833 



corrosion - ||^^^ 



Detaching arrangement of 2835 



Length requirements with reference to 



depth 2833 



Shackles and swivels used in 2835 



specifications 2832 



Wire rope to be kept oS bottom 2833 



anchored in shoal water, dragging tend- 

 ency 2833 



anchored so as to reduce scope .- 2836 



Anchoring 2851 



Anchor lowered first 2851 



at preselected positions 2851 



|25 



in deep water <2834 



12851 



anchoring gear 283 



Selection of 2545 



anchor scope 

 Computing (formulas) 943 



Correcting buoy traverses for {9432 



Definition 943 



Measuring 943 



Position of buov corrected for 2512 



Reduction of 2836 



at anchor, graphic record of 286 



at anchor, time to be left 2546 



banners and flags 281 



{281 

 3363 



Car couplers used for anchors 2831 



Changing structure of anchored ^^ 285 



Color of painted structure 281 



construction (see also Buoys, survey, one- 

 barrel, and Buoys, survey, two- 

 barrel) 282 



Barrels, types used 281 



Counterweights 281 



Lumber for 281 



Painting buoys 281 



requirements, general 28 



Targets 281 



{281 

 3363 



Current, force exerted on 2832 



Description, general 281 



design 28 



Distance visible 2541 



establishment reported to Washington 



Office-— {g5^4 



Evergreen trees used for 2551 



Fending from ship's side 2851 



flags and banners 281 



Four-barrel , description 2827 



Handling on shipboard - . 285 



Handling from ship, most favorable 



conditions for 285 



Handling from a single-screw ship 285 



Identifying 281 



Identifying flags 2814 



Identifving marks 2814 



Lighted 2813 



lights, description 2813 



Log line, risk of fouling 3374 



Maneuvering ship alongside 2512 



Mooring 2836 



Methods 2851 



Naming 2153 



Naming moved 2157 



f2853 

 names (286 



Length of 2151(3) 



One-barrel 2824 



construction 2824 C 



Materials required (ZisO 2824 B 



specifications 2824 A 



on station, graphic record of 286 



on station, time to be left 2546 



Passing during a taut-wire measure- 

 ment 4466 



Precautions in anchoring and weighing 285 



Radiating sounding lines from -. 3371(2) 



Record of -- 2853 



Record of at anchor 286 



Page 

 162 

 171 

 302 

 172 

 174 

 172 

 175 

 174 

 131 

 173 

 176 



173 

 176 

 172 

 174 



174 

 177 

 185 

 186 

 186 

 110 

 174 

 186 

 171 

 130 



862 

 862 

 863 

 862 

 862 

 113 

 177 

 189 

 131 

 163 

 163 

 230 

 171 

 185 

 163 



165 

 163 

 163 

 163 

 163 

 162 

 163 

 163 

 230 

 173 

 162 

 162 

 128 



189 

 798 

 132 

 187 

 163 

 171 

 183 



184 

 183 

 163 

 165 

 165 

 164 

 164 

 235 

 113 

 177 

 186 

 65 

 66 

 188 

 189 

 65 

 166 

 168 

 168 

 167 

 189 

 131 



357 

 183 

 233 

 188 

 188 



