Information on changes or omissions should be addressed to: 



Director 



Office of NOAA Corps Operations 



Attn: 0M0x3 



6001 Executive Blvd. 



Rockville, Md. 20852 



(301) 443-8101 



All major vessels of NOAA are classified based on the factor 

 of power tonnage. Power tonnage is the combined horsepower and 

 gross tonnage of any given vessel. Vessel classes are determined 

 by specified ranges of power tonage, and for NOAA, the 

 following classes are established: 



Vessel Class Power Tonnage 



I 9000 - 5501 



II 5500 - 3501 



III 3500 - 2001 



IV 2000 - 1001 



V 1000 - 501 



VI 500 and under, and 



not less than 65 ft length 



This classification is for the purpose of establishing a 

 uniform system of ship identification. It is used for operational, 

 maintenance/ replacement costs, budget planning, and compensation 

 purposes. 



The ship photographs are the most recent that are on file 

 at the Office of NOAA Corps Operations. However, they may not 

 agree with the current written description for that vessel. The 

 written description should be used as the best most up-to-date 

 capability of the vessel. 



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