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Great Lakes Dredge And Dock Promotes Colnon And Hazard Frederick R. Hazard William L. Colnon has been named senior vice president of Great Lakes Dredge & Dock Company and Frederick R. Hazard vice presi- dent and general superintendent, according to an announcement by John A. Downs, presi- dent. Mr. Colnon was formerly vice president, en- gineering, and Mr. Hazard was general super- intendent. Mr. Colnon joined Great Lakes in 1949. A native Chicagoan, he received his bachelor's degree from Harvard College and his master's degree in 'business administration from the University of Chicago. He also attended Mas- sachusetts Institute of Technology and the Colorado School of Mines. He is a member of the North Shore Country Club. Mr. Hazard, a native of Rhode Island, joined Great Lakes in 1967, after serving in various executive capacities with Fitzsimons & Con- nell and Dunbar Sullivan. He received his bachelor of science degree in civil engineering from Brown University. He is a member of and American Society of Civil Engineers. George Panitz Receives Maritime Service Award The Maritime Service Award issued annual- ly by the Maritime Port Council of Greater New York and Vicinity has been presented to George Panitz, editor of transportation and maritime news of The Journal of Commerce, at the Americana Hotel in New York. The council, an affiliate of the 7.5-million mem- ber AFL-CIO Maritime Trades Department, cited Mr. Panitz for his coverage of industry news and affairs and its contribution to the under- standing of ship industry problems. Transportation Techniques, Inc. Applies To MarAd For Subsidy To Build Three LNG Ships The Maritime Administration has received an application for a construction subsidy in connec- tion with building three 120,000-cubic-meter LNG ships at an estimated cost of $68 million each. The applicant, Transportation Techniques, Inc., 551 Fifth Avenue, New York, N.Y., is negotiating with General Dynamics regarding construction. Third 255,000-Dwt Tanker Awarded To NKK By Esso Esso Tankers, a subsidiary of Standard Oil Company (New Jersey), has ordered a third 255,000-dwt supertanker from Nippon Kokan, Japan's only integrated shipbuilder-steelmaker- fabricator. Sachio Sasabe, NKK-New York shipbuild- ing department manager, said the vessel is scheduled to be delivered in the second half of 1974. This brings to 12 the number of 255,000 type tankers contracted by various owners based on an NKK-developed standard basic design. The main particulars of the vessel are: length overall, 1,109 feet; length between per- pendiculars, 1,050 feet; breadth molded, 170 feet; depth molded, 88 feet; draft molded, 69 feet, and approximately 120,000 gross tons. The main turbine engine has an output of 31,000 shp at 85 rpm with a service speed of 15.4 knots. Liberia And Japan Continue Lead In Sun Oil Co/s 29th Annual Tank Ship Survey For the 14th consecutive year, Liberia with 24.7 percent, led the world in total carrying capacity of tank ships registered, according to the 29th Annual World Tank Ship Survey recently issued by Sun Oil Company. Japan again led for the year 1970 in construc- tion of new tankers, a lead position she has main- tained for all but one year since 1956. The United States remained fifth in world carrying capacity in 1970 and retained 11th place in tanker con- struction. The Sun Oil survey reports that the world tank ship fleet on December 31, 1970 was 14.2 percent larger in deadweight tonnage than a year earlier, with 3,994 vessels of 2,000 gross tons or more totaling 166,744,000 deadweight tons. The fleet increased by 101 vessels and by 20,745,000 dwt. In terms of carrying capacity, United Kingdom, Norway and Japan occupied second, third and fourth places respectively, with the United States in fifth place. Greece and Panama were sixth and seventh leading flags of registry. France was eighth, followed by Italy, U.S.S.R., Sweden and the Netherlands. Japan had 32.1 percent of the total world tanker tonnage under construction in her shipyards, total- ing 24,248,000-dwt., to maintain her lead in new ship construction. Sweden, France, Denmark, Spain and Norway followed in descending order. Western Germany retained seventh place, while the Netherlands rose from 10th to eighth position. The U.S. had at year's end, 21 tankers totaling 1,873,000 dwt under construction. During 1970, there were 213 tankers delivered into the world fleet, while 125 vessels were scrap- ped. Transfers between flags totaled 148 vessels. The average deadweight tonnage of oceangoing tank ships of 2,000 gross tons or more increased from 37,500 dwt a year earlier to 41,800 dwt. The average speed remained at 15.8 knots. Japanese flag tankers continued as the newest among major flags of registry, with an average age of four years two months at the end of 1970. The U.S.-flag tanker fleet was the oldest, averag- ing 16 years, five months. At the end of the year, there were 649 tank ships of 2,000 gross tons or more representing 75,447,000 dwt on order or under construction in the world's shipyards, an increase from the year before of 79 vessels and 16,119,000 dwt. The average vessel under construction increased in size to 116,300 dwt from 104,100 dwt a year earlier. Iotron Conducts Vessel Collision Avoidance Seminar Iotron Corporation of Bedford, Mass., recently conducted a collision avoidance seminar at the Showboat Motor Inn, Greenwich, Conn. Capt. H.E. Van der Linde, president of Transportation Concepts and Techniques, sponsored the seminar to inform both administrative and technical man- agement of the shipping industry on recent ad- vancements made in marine collision avoidance equipment. A seagoing demonstration of the latest production model of Digiplot® was given aboard Tradewinds, Iotron's test vessel, and Long Island Sound provided an excellent setting for proving the benefits of Digiplot in congested waters. Representatives from the following organiza- tions were present: American Bureau of Shipping, ARCO, Continental Oil Co., Gulf Oil Corp., Island Navigation, Liberian Services, Lykes Bros. Steamship Co., Marcona Corp., Mobil Oil Corp., Moller Steamship Co., National Bulk Carriers, Olympic Steamship Co., Sea-Land Service Inc.,, Southern Star Shipping Co., Texaco Inc., J.P. Tilden Ltd., Transoceanic Marine Inc., Triton Shipping Inc. and Victory Carriers Inc. Presentations were given which traced the evolution of various types of radar navigational aids, including a summary of current techniques and systems intended to minimize the risk of collision. John C. Herther, Iotron president and seminar chairman, introduced Digiplot, his com- pany's fully automatic radar plotter. Mr. Herther stated that Digiplot is the most advanced system in operation today. Pete Wurschy, Gulf Oil Corp., and Capt. K.J. Liu, Island Navigation, listening to a question during the demonstra- tion. John C. Herther, president of Iotron (far right), demonstrates the Digiplot aboard the Tradewinds. The Digiplot unit will analyze 200 objects on the water within 12 miles and automatically dis- play the 40 most threatening. It also displays the shoreline on the scope with dotted lines. Each object on the Digiplot scope is represented by a single white dot. Emanating from each white dot is a white line showing the course that the ship in question will travel in so many minutes. The desired number of minutes is set by a control on the console. The computer, memorizing past movements of the ships, generates the course lines in a flash. If there is no white line from a white dot, it indicates that the object is a buoy or a stationary target. Among other features of the Digiplot were meters showing the closest distance that the ship using it would come to any selected other "target" and the time till that closest approach, audible and visible alarms, and devices to produce indications on the scope of how a certain course change would affect the traffic situation. Mr. Herther states that Iotron is now in pro- duction and that the company had received orders for 18 Digiplot units from vessel operating com- panies. William L. Colnon November 15, 1971 29
