Hydrographic Survey Ships

(AGS)

Most recent update: August 5, 2020.

The Navy's survey ships were mostly conversions until the 1960s: the current fleet consists of the seven ships of the Pathfinder class.

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Name Builder Location LDT LOA Price ($M) Delivered Notes
AGS-1 Pathfinder Lake Washington Seattle WA 2,175 229 31 Aug 1942 built 1929, acquired by C&GS-1942 as AGS-1, retired 1971
AGS-2 Hydrographer Spear EW Norfolk VA 1,135 165 20 May 1942 built 1929 as yacht, acquired by C&GS-1942 as AGS-2
AGS-3 Oceanographer W. A. Fletcher Hoboken NJ 1,136 304 15 Aug 1942 built 1899 as yacht Corsair III, acquired by C&GS-1930, AGS-3 1942, scrapped 1944
AGS-4 Bowditch Burmeister & Wain Copenhagen (Den.) 5,405 386 11 Dec 1943 built 1929 as liner Santa Inez, acquired 1940 as AG-30, AGS-4 1943, to NDRF 1948, scrapped 1959
AGS-5 Sumner Seattle Constn Seattle WA 3,142 350 1 Dec 1943 built 1920 as AS-2, AG-32 1940, AGS-5 1943, scrapped 1948
AGS-6 Derickson Ballard Marine Seattle WA 245 136 27 May 1944 built 1943 as PCS-1458, AGS-6 1943, sold 1954
AGS-7 Littlehales Robert Jacob City Island NY 245 136 28 Feb 1945 built 1943 as PCS-1388, AGS-7 1943, AGSC-7 1946, sold 1950 as John-O
AGS-8 Dutton South Coast SB Newport Beach CA 245 136 20 Mar 1945 built 1943 as PCS-1396, AGS-8 1943, AGSC-8 1946, sold 1950
AGS-9 Amistead Rust Colberg BW Stockton CA 245 136 20 Mar 1945 built 1943 as PCS-1404, AGS-9 1943, sold 1948
AGS-10 John Blish Ballard Marine Seattle WA 245 136 20 Mar 1945 built 1943 as PCS-1457, AGS-10 1943, AGSC-10 1946, scrapped 1950
AGS-11 Chauvenet Hiltebrant Dock Kingston NY 340 136 20 Mar 1945 built 1943 as YMS-195, AGS-11 1945, sold 1947 as Zipper, foundered 1963
AGS-12 Harkness Tacoma boat Tacoma WA 340 136 20 Mar 1945 built 1943 as YMS-242, AGS-12 1943, AGSC-12 1946, AMCU-12 1951, MHC-12 1955, sold 1960
AGS-13 James M. Gillis South Coast SB Newport Beach CA 340 136 20 Mar 1945 built 1943 as YMS-262, AGS-13 1943, AGSC-13 1946, AMCU-13 1951, MHC-13 1955, scrapped 1960
AGS-14 Simon Newcomb South Coast SB Newport Beach CA 340 136 20 Mar 1945 built 1943 as YMS-263, AGS-14 1943, AGSC-14 1946, scrapped 1960
AGS-15 Tanner Walsh-Kaiser Providence RI 4,087 426 15 May 1946 built 1945 as AKA-34, AGS-15 1946, scrapped 1970
AGS-16 Maury Walsh-Kaiser Providence RI 4,087 426 12 Jul 1946 built 1945 as AKA-36, AGS-16 1946, scrapped 1973
AGS-17 Pursuit Winslow Marine Winslow WA 890 221 18 Aug 1951 built 1943 as AM-108, AGS-17 1951, struck 1960
AGS-18 Requisite Winslow Marine Winslow WA 890 221 18 Aug 1951 built 1943 as AM-109, AGS-18 1951, struck 1964
AGS-19 Sheldrake General Eng Alameda CA 890 221 14 Apr 1952 built 1943 as AM-162, AGS-19 1951, scrapped 1971
AGS-20 Prevail Pennsylvania SY Beaumont TX 890 221 1 Apr 1952 built 1943 as AM-107, AGS-20 1951, scrapped 1964
AGS-21 Bowditch Oregon SB Portland OR 4,420 455 8 Aug 1957 built 1943 as South Bend Victory, AGS-21 1958, scrapped 1988
AGS-22 Dutton Oregon SB Portland OR 4,420 455 1 Nov 1958 built 1943 as Tuskegee Victory, AGS-22 1958, scrapped 2008
AGS-23 Michelson Oregon SB Portland OR 4,420 455 15 Dec 1958 built 1943 as Joliet Victory, AGS-23 1958, scrapped 1977
AGS-24 Serrano United Eng Alameda CA 1,240 205 30 Jun 1960 built 1944 as ATF 112, AGS-24 1960, scrapped 1971
AGS-25 Kellar Marietta Mfg Point Pleasant WV 1,320 209 31 Jan 1969 to Portugal 1988 as Almeida Carvalho
AGS-26 Silas Bent AmShip Lorain Lorain OH 421 1,320 209 23 Jul 1965 to Turkey 1999 as Cesme (A-587)
AGS-27 Elisha Kent Kane Christy Corp. Sturgeon Bay WI 422 1,320 209 19 May 1967 to Turkey 2001 as Canadarli (A-588)
AGS-28 Towhee AmShip Cleveland Cleveland OH 890 221 1 Apr 1964 built 1945 as AM-388, AGS-28 1964, scrapped 1970
AGS-29 Chauvenet Fairfield S & E Glasgow (U.K.) 835 5,150 393 8.4 13 Nov 1970 to Texas MA 1996 as Texas Clipper II, to Missile Defense Agency 2005 as Pacific Collector
AGS-30 San Pablo Associated Sbldg. Seattle WA 2,750 311 25 Aug 1949 built 1943 as AVP-30, AGS-30 1949, sold 1970
AGS-31 S.P. Lee Defoe Sbldg. Bay City MI 441 1,320 209 8.9 2 Dec 1968 to Mexico 1992 as Antares (H-06)
AGS-32 Harkness Fairfield S & E Glasgow (U.K.) 836 5,150 393 8.4 29 Jan 1971 to NDRF 1993, to Mass Maritime 2002, to NDRF 2005
AGS-33 Wilkes Defoe Sbldg. Bay City MI 444 1,935 287 8.9 28 Jun 1971 to Tunisia 1995 as Kheireddine (A-700)
AGS-34 Wyman Defoe Sbldg. Bay City MI 445 1,935 287 8.9 3 Nov 1971 to NDRF 2001: to be scrapped
AGS-35 SGT George Keathley Walter Butler SB Superior WI 336 3,366 339 Dec 1956 built 1945 as Acorn Knot, APC-116 1950, AGS-35 1956, to Taiwan 1972 as Chu Hwa (AGS-564)
AGS-36 Coastal Crusader Leathem D. Smith Sturgeon Bay WI 340 3,366 339 1969 built 1945 as Coastal Crusader, AGM-16 1964, AGS-36 1969, sold 1977
AGS-37 Twin Falls Oregon Sbldg. Portland OR 1221 4,500 339 1970 built 1945 as Twin Falls Victory, AGM-11 19??, AGS-37 1970, scrapped 1982
AGS-38 H. H. Hess NASSCO San Diego CA 336 14,700 563 16 Jan 1978 built 1965 as Canada Mail, AGS-38 1978, NDRF 1993, scrapped 2010
AGS-39 Maury Bethlehem SP Sp. Point MD 4667 8,800 450 66.4 31 Mar 1989 to Cal. Maritime 1995 as Golden Bear
AGS-40 Tanner Bethlehem SP Sp. Point MD 4668 8,800 450 66.4 31 Aug 1990 to Maine Maritime 1997 as State of Maine
AGS-45 Waters Avondale New Orleans LA 2370 12,200 457 104.4 26 May 1993 as Navigation Support Test ship
AGS-50 Rehoboth Lake Washington Seattle WA 2,750 310 2 Sep 1948 built 1944 as AVP-50, AGS-50 1948, scrapped 1970
AGS-51 John McDonnell Halter Marine Moss Point MS 1168 1,250 208 14.0 15 Nov 1991 sold 2016 as Seafreeze America.
AGS-52 Littlehales Halter Marine Moss Point MS 1169 1,250 208 11.5 10 Jan 1992 to NOAA 2003 as Thomas Jefferson (S-222)
AGS-60 Pathfinder Halter Marine Moss Point MS 1261 3,000 329 49.9 28 Oct 1994
AGS-61 Sumner Halter Marine Moss Point MS 1262 3,000 329 45.9 30 May 1995
AGS-62 Bowditch Halter Marine Moss Point MS 1315 3,000 329 40.0 19 Jul 1996
AGS-63 Henson Halter Marine Moss Point MS 1468 3,000 329 46.9 20 Feb 1998
AGS-64 Bruce C. Heezen Halter Marine Moss Point MS 1707 3,000 329 51.7 13 Jan 2000
AGS-65 Mary Sears Halter Marine Moss Point MS 1804 3,000 329 53.5 17 Dec 2001
AGS-66 Maury VT Halter Marine Moss Point MS 1991 3,000+ 329 86.7 16 Feb 2016
AGS-67 VT Halter Marine Moss Point MS 3,000+ 329

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