capability for other useful functions existed this was noted also. Un- 

 classified results of this examination are presented in Section V; 

 classified results are presented in Volume II of the report. To the 

 extent possible the results are presented in quantitative terms with 

 respect to cost and performance measures that facilitate comparing the 

 potential of one technique with that of another. 



To permit quantitative assessment, it was necessairy to postulate 

 both the physical environment and the pertinent characteristics of 

 vessels subject to enforcement. These postulations are described next. 



B. Environment and Vessel Postulations 



1. Postulated Enforcement Environment 



■ The detection and classification of fishing activity subject 

 to regulation takes place at sea within 200 nmi of U.S. shores. To be 

 effective, at-sea enforcement activities must be performed under any 

 environmental conditions that permit the fishing activity to take place. 

 The nature of most fishing activity is such that both the fishing itself 

 and the preparations for fishing and processing and transportation of 

 the catch that precede and follow actual fishing operations--and are 

 similarly subject to control--can take place twenty four hours a day 

 under almost any weather conditions. Therefore, for this survey, it is 

 postulated that enforcement must be possible under any of the following 

 circumstances : 



• Any visibility conditions 



• Any precipitation conditions 



• Wind and wave conditions up to sea state 5. 



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