PREFACE 



This Bulletin is No. 55 in a series of annual reports on the International 

 Ice Patrol Service in the Nortli Atlantic Ocean. The authority for the service 

 is contained in the United States Code, Title 46, Sections 738, 738a through 

 738d, and the International Convention for the Safety of Life at Sea, 1960. 

 This Bulletin presents information on Ice Patrol organization and operations 

 as well as on comniiuiications, ice conditions, and climatology. 



Rear Admiral Mark A. WHALEN, USCG, was Commander, International 

 Ice Patrol. Commander James E. KELLY, USCG, was directly responsible 

 for the management of the patrol. 



The authors of this Bulletin, Commander James R. KELLY, USCG, and 

 Lieutenant Commander Charles "W. MORGAN, USCG, acknowledge ice data 

 supplied by the Canadian Department of Transport Ice Central, Halifax, and 

 meteorological data furnished by the Canadian Department of Transport 

 Meteorological Branch and the U.S. Department of Commerce National 

 Meteorological Center. The assistance of Yeoman First Class Heber M. KEEN, 

 USCG, Marine Science Teclmician Second Class John A. THAW, USCG, and 

 Marine Science Technician Third Class MaWon N. EOBINSON, USCG, in 

 the preparation of the manuscript and illustrations for this Bulletin is also 

 acknowledged. 



