b. Short-range, 



offshore vessels 



Length : 75 feet to 125 feet 



Beam: (various) 



Draft: (various) 



Displacement: 600 tons (approx. ) 



c. Extended-range, 

 ocean vessels 



Length : 125 feet to 200 feet 

 Beam: (various) 

 Draft: (various) 

 Displacement : 1, 000 tons 

 (approx. ) 



The estimated numbers of instruments and instrument systems 

 contained in the descriptions have been based upon the following 

 considerations: (1) That, from the TENOC Report, NASCO Report, 

 and personal communications, the following oceanogr aphic ships 

 exist and/or are proposed for future construction, and (2) that 

 some of the proposed ships will replace some of the older, existing 

 ships . 



1. U. S. Coast and Geodetic Survey 



5 Existing Class I hydrographic ships 

 10 Existing Class II and III hydrographic ships 

 8 Proposed Class I oceanographic ships 

 2 Proposed Class II oceanographic ships 

 7 Proposed Class III oceanographic ships 



2. U. S. Navy Hydrographic Office 



2 Existing oceanographic ships (AGS 30, 50) 



4 Existing inshore oceanographic ships (AGS 18 Class) 



2 Existing large hydrographic ships (AGS 15, 16) 



3 Proposed oceanographic ships (AGOR SCB 185) 

 7 Proposed hydrographic ships (AGS SCB 214) 



4 Proposed hydrographic ships (AGS SCB 193) 



5 Proposed AGC (3,000 tons) 



Bureau of Commercial Fisheries 



27 Existing oceanographic-type research vessels, including 

 chartered vessels 



16 Proposed coastal vessels 



12 Proposed short-range, offshore vessels 



353 



