APPENDIX F 



U. S. NAVY HYDROGRAPHIC OFFICE REQUIREMENTS 



FOR 

 OCEANOGRAPHIC INSTRUMENT SUIT FOR 

 SHIPS OF OPPORTUNITY 



Primary Use : 



This is a special oceanographic "instrument suit" for 

 utilization on certain "ships of opportunity" to collect much 

 needed oceanographic data. These ships of opportunity include, but 

 are not restricted to: (1) Certain U. S. Navy combatant fleet units 

 such as aircraft carriers, cruisers, destroyers, amphibious ships, 

 mine sweepers, and submarines, (2) U. S. Navy Radar Picket 

 Ships (YAGR's and DER's), (3) certain U. S. Navy auxiliary units 

 (oilers, refrigerator ships, cargo ships, ice breakers), (4) units 

 of Military Sea Transportation Service, (5) units of U. S. Merchant 

 Marine, (6) U. S. Air Force Ocean Range Vessels, (7) larger 

 units of U. S. Fishing Fleet. The installation and operation of 

 this "instrument suit" on the above indicated platforms is pre- 

 dicated on a not-to-interfer e basis with the ship's primary mission. 



Requiremients and Specifications: 



a. This "instrument suit" is primarily designed for utilization 

 by ships "underway, " as during long transits between ports, ex- 

 tended operations in certain geographic areas, and involving 

 special operations related to the primary nnission of the ship. 



b. This "instrunnent suit" to perform reliably and accurately, 

 with minimum maintenance, at ship's speeds of to 18 knots and 

 in sea states through 5. 



c. This "instrument suit" to be so designed and constructed 

 as to be capable of being installed and removed from one platfornn 

 to another with minimum expenditure of time, effort, and money. 

 In this connection, it should be compact, light weight, rugged, and 

 reliable to withstand the severe treatment in shipment to, 

 installation on, and removal from the various ship platforms. 



d. Components: 



(1) AN/UQN type of Sonic Sounding Set to record to 

 6, 000 fathoms. 



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