Page 6: of Maritime Reporter Magazine (August 15, 1973)

ACCURACY-CHECK BUOY: Crewmen of the Lockheed research vessel Sea Quest (top photo) prepare to lower the top half of the 64-foot Measurements Comparisons Sys- tem buoy over the side during sea trials off San Diego,

Calif. The top section is mated with the lower section al- ready lowered into the water (lower left). The Sea Quest (lower right) stands off from the buoy as it transmits me- teorological and oceanographic data to the vessel. Built for the National Oceanic and Atmospheric Administra- tion's Data Buoy Office by Lockheed Ocean Laboratory,

San Diego, the mobile measurements buoy is designed to be used by vessels performing maintenance on permanent- ly moored environmental buoys to check the accuracy of sensor measurements radioed to shore stations. ameter four-blade type. The shafts, in way of the strut, stern tube bearings and packing glands are fitted with ceramaloy sleeves. Goodrich Cutless

Rubber Bearings are used in the strut and stern tube housings.

Two 55-kw Caterpillar diesel-driven generator sets provide electrical power for two 25-ton deck winches, an all-electric galley, individual electric heating units for all compartments, electric hot . water heater, plus the standard requirements of machinery space motors, ship's lighting and navi- gational equipment.

The pilothouse, with an eye level of 24 feet, contains a navigational light panel, alarm panel, and an operating console on which are mounted engine controls, rudder levers, tachometers and air gages, and electric winch controls.

This class towboat is distinguished by its com- pactness in relation to rated horsepower and ex- ceptional maneuverability. It is especially well- suited for short line hauls, yet fully capable of pushing large tows.

The addition of the M/V Leo D. Guttman brings the Mon River Towing fleet to a total of seven towboats actively engaged in moving coal and petroleum products on the Monongahela,

Allegheny, and Ohio Rivers.

Marathon Yard In Scotland

To Build Drilling Vessel

For Key International

Marathon Shipbuilding Co. (U.K.) Ltd. of

Clydebank, Scotland, will build a jackup drilling vessel for Key International Drilling Co. Ltd.,

Coral Gables, Fla. The new vessel will work off- shore West Africa and will be capable of con- structing offshore platforms and laying offshore pipelines.

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Hillman-Built Towboat Joins

Mon River Towing, Inc. Fleet

The M/V Leo D. Guttman, which provides living quarters for a crew of eight, has a pilothouse with an eye level of 24 feet.

Named for the late vice president of Mon River

Towing, Inc., the M/V Leo D. Guttman is a 1,130-hp towboat built by Hillman Barge & Con- struction Company, Pittsburgh, Pa. The 84-foot by 26-foot by 9-foot M/V Leo D. Guttman is powered by two Caterpillar (Model D-379, Series

B) turbocharged and aftercooled diesel marine en- gines. These are furnished with 4.34:1 ratio for- ward and 3.95 :1 ratio reverse reduction gears and

WABCO air controls. Engine cooling is accom- plished by Fernstrum skin cooling units installed on the hull exterior.

Storage tanks provide a capacity for 18,500 gal- lons of fuel, 3,500 gallons of potable water and 300 gallons of lube oil. The hull of the boat from the stern tubes aft is fabricated of 20 percent stainless clad plate.

The stainless steel propellers are 69-inch di-