SS-523 General Specifications
Class: Tench-class submarine
Complement: 10 Officers and 75 Enlisted
Displacement: 1870 tons
Length: 307 feet
Beam: 27 feet 4 inches
Draft: 17 feet
Range: 15 000 Nautical Miles
Final Disposition: Transferred to Brazil 13 May 1972
USS GRAMPUS (SS-523)
Built at the Naval Shipyard
Grampus (SS-523) was begun in 1944 but left uncompleted at the end of the war. Construction was resumed in 1948
and Grampus launched [Vol. IV
errata: was christened] 26 October 1949
Mrs. Clark H. Woodward
who also sponsored the previous Grampus
sponsor. She commissioned the same day
Comdr. George F. Sharp in command.
With her new snorkeling equipment
which permitted her to remain submerged for periods far longer than the World War II fleet class ships
Grampus served as a prototype for the "Guppy" class submarines and also incorporated many features to appear later in nuclear submarines. Attached to SubDiv 61 at Norfolk
she has participated in a variety of exercises along the East Coast and in the Caribbean
including torpedo and attack exercises
snorkeling tests and demonstrations
and antisubmarine training. Grampus also did a great deal of work with the early HUK (Hunter-Killer) antisubmarine patrols
now a vital part of American defenses
to whose development she greatly contributed.
From 5 January to 2 April 1955 Grampus proceeded independently to the Mediterranean
where she "showed the flag" at Algiers
and Gibraltar before returning to Norfolk and her routine of exercises and tests
spaced with regular overhauls at Portsmouth and Philadelphia. During the late 1950's and early 1960's Grampus operated out of Norfolk in the North Atlantic.
Under the command of Lt. Comdr. D. A. Kilmer
Grampus sailed with Task Force "Alfa" for 6 weeks prior to 13 February 1964. On 3 April
she deployed with the 6th Fleet in the Mediterranean Sea until 3 August.
She operated out of the Virginia Capes until entering Philadelphia Naval Shipyard in mid-April 1965 for overhaul. After refresher training and shakedown in the fall
Grampus operated along the East Coast engaging primarily in ASW exercises.
She departed Norfolk 13 May 1966 for the eastern Atlantic and Northern European countries to participate in NATO ASW exercises. Back in Norfolk 30 August
she resumed operations in the Virginia Capes area and Caribbean until sailing 29 December to Philadelphia for repairs in the naval shipyard. Shipshape again
she resumed operations with the Atlantic Fleet.
[Note: The above USS GRAMPUS (SS-523) history may or may not contain text provided by crew members of the USS GRAMPUS (SS-523) or by other non-crew members and text from the Dictionary of American Naval Fighting Ships]