Specifications and Other Facts

Vessel Name: Overfalls (LV118 / WAL539)
Built: 1938 at Rice Brothers Shipyard, East Boothbay, Maine
Cost: $223,900
Mast: Single
Dimensions: Length 114'; beam (width) 26'; draft 13'4", weight 422 tons.
Engine: Single Cooper-Bessemer 400 hp, 8 cylinders with air starter.
Propeller: steel, 7' 2" diameter, gear-driven
Maximum Speed: Nine knots (between 10 and 11 mph)
Primary Navigation Light: Dual 375 mm electric lens lanterns located 57 feet above the water line and rated at 15,000 candle power (1,000 watts). Flashed every 3 seconds at night, visible for 12 miles on a clear night.
Fog Horn: Dual air diaphones, switchable to single horn with a range of 5 miles, which would sound a three second blast every 30 seconds whenever visibility was less than two miles.
Radio Beacon (transmitter): 25 mile range, which was synchronized with the fog horn (when in operation) so ships equipped with a radio direction finder could calculate the distance to the ship in obscure conditions.
Radar: RCA surface unit installed 1943 with a range of 15 miles.
Anchors: 7,000 pound mushroom type main, and 3,000 pounds auxiliary anchor.
Crew: 14 men served 2 weeks on and one week off.
Fuel Capacity: 12,400 gallons of diesel in 10 fuel tanks.
Fresh Water Capacity: 6,500 gallons in 4 fresh water tanks.
Ballast Tanks: 4 each with a total capacity of 10,000 gallons sea water.
Station Assignments: 1938 - 1957: Cornfield Point (CT)
1958 - 1962: Cross Rip (MA)
1962 - 1972: Boston (MA)