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 |