INTERNATIONAL ICE PATROL 1971 



The 1971 International Ice Patrol Service in the North Atlantic 

 Ocean was conducted by the United States Coast Guard under the pro- 

 visions of Title 46, United States Code, Sections 738, 738a through 

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

 Sea, 1960, Regulations 5 through 8. The International Ice Patrol is 

 a service for observing and disseminating information on ice con- 

 ditions in the Northwest Atlantic Ocean. During the ice season, the 

 southeastern, southern, and southwestern limits of the regions of 

 icebergs in the vicinity of the Grand Banks of Newfoundland are 

 guarded for the purpose of informing passing ships of the extent of 

 this dangerous region. The International Ice Patrol also studies 

 ice conditions in general with emphasis on the formation, drift and 

 deterioration of icebergs, and assists ships and personnel requiring 

 aid within the limits of operation of the Ice Patrol forces. 



The International Ice Patrol is directed from the Ice Patrol 

 Office located at the U. S. Coast Guard Base, Governors Island, 

 New York. The Office gathers ice and environmental data from a 

 variety of United States and Canadian sources, maintains an ice 

 plot, forecasts ice conditions, prepares the twice-daily Ice 

 Bulletin, replies to requests for special ice information, and 

 executes operational control of the Aerial Ice Reconnaissance 

 Detachment, the Ice Patrol oceanographic ship, and any surface 

 patrol ship assigned to Ice Patrol duties. 



Rear Admiral Benjamin F. ENGEL, U. S. Coast Guard was Commander, 

 International Ice Patrol during the entire season. Commander Eugene 

 A. DELANEY, U. S. Coast Guard was directly responsible for the 

 management of the Patrol. 



Preseason Ice Patrol flights were made in September 1970, and 

 in January, February, and March 1971. The Aerial Ice Reconnaissance 

 Detachment was deployed to Canadian Forces Base, Summer side, Prince 

 Edward Island on 9 March 1971. The Detachment returned to the 

 United States on 29 June 1971. 



