Other Working Barges
(YFP, YHT, YM, YMN, YPD, YS)
These barges provided useful services to the districts to which they were assigned. Most were converted from YCs or YFs and there are many gaps in the data.
| Builder | Location | LOA | Tons | Built | Notes | |
| Floating Power Plants (YFP) | ||||||
| YFP-1 | Todd Dry Dock | Tacoma WA | 396 | 150 | 1919 | ex-Jacona, to the Philippines 1971 |
| YFP-2 | United Eng | Alameda CA | 110 | 170 | 1945 | ex-YC-1113 |
| YFP-3 | United Eng | Alameda CA | 110 | 170 | 1945 | ex-YC-1114, sold 1999 |
| YFP-4 | Pacific Bridge | 110 | 170 | 1943 | ex-YFN-589 | |
| YFP-5 | 110 | 170 | 1944 | ex-YFN-653 | ||
| YFP-6 | 110 | 170 | 1944 | ex-YFN-655 | ||
| YFP-7 | 110 | 170 | 1946 | ex-YFN-985 | ||
| YFP-8 | 110 | 170 | 1946 | ex-YFN-986 | ||
| YFP-9 | ||||||
| YFP-10 | Froemming Bros. | Milwaukee WI | 389 | 2382 | 1945 | ex-Coastal racer, sold 1975 |
| YFP-11 | Gretna Machine | Harvey LA | 110 | 144 | 1965 | ex-YFN-1207 |
| YFP-12 | Harbor BB | San Diego CA | 110 | 144 | 1965 | ex-YFN-1216, sold 2001 |
| YFP-13 | 110 | 170 | ex-YFN-1162, scrapped 1976 | |||
| YFP-14 | scuttled 1998 | |||||
| YFP-15 | ||||||
| Heating Scows (YHT) | ||||||
| YHT-1 | New York NSY | Brooklyn NY | 55 | 1905 | ||
| YHT-2 | New York NSY | Brooklyn NY | 55 | 1910 | ||
| YHT-3 | New York NSY | Brooklyn NY | 55 | 1893 | ||
| YHT-4 | ||||||
| YHT-5 | ||||||
| YHT-6 | ||||||
| YHT-7 | Spedden SB | Baltimore MD | 90 | 1895 | acquired 1942, to MARAD 1947 | |
| Dredges (YM and YMN) | ||||||
| YM-1 | Pensacola NSY | Pensacola FL | 75 | 1900 | ||
| YM-2 | Mare Island NSY | Vallejo CA | 70 | 1905 | ||
| YM-3 | Culebra NS | Culebra PR | 30 | 1907 | ||
| YM-4 | Olongapo NS | Olongapo PI | 50 | 1908 | captured by Japan 1942 | |
| YM-5 | Guam NS | Guam MI | 60 | 1909 | ex-YC-138 | |
| YM-6 | ||||||
| YM-7 | 76 | ex-Seagull | ||||
| YM-8 | 60 | 1918 | ex-Mohodoc | |||
| YM-9 | Charleston NSY | Charleston SC | 91 | 1913 | to MARAD 1948 | |
| YM-10 | Ellicott Machine | Baltimore MD | 76 | |||
| YM-11 | ||||||
| YM-12 | Leonard Const. | Chicago IL | 110 | 1918 | ex-Endicott, ex-YC-460, sold 1972 | |
| YM-13 | Guam NS | Guam MI | 1925 | captured by Japan 1942 | ||
| YM-14 | 85 | 1918 | ex-YCD-6, ex-YF-185, YM-1931, scrapped 1942 | |||
| YM-15 | 140 | 2,240 | 1922 | ex-Hell Gate, acquired 1936, sold 1948 | ||
| YM-16 | scrapped 1944 | |||||
| YM-17 | Ellicott Machine | Baltimore MD | 134 | 500 | 1934 | ex-Orion, reefed off South Carolina 1998 |
| YM-18 | Willamette I&S | Portland OR | 206 | 2,100 | 1907 | ex-Willamette, ex-Indiana |
| YM-19 | 236 | 2,100 | 1915 | ex-Turalation | ||
| YM-20 | 792 | 1936 | ex-Gulfstream | |||
| YM-21 | 1,832 | 1927 | ex-New Jersey | |||
| YM-22 | 1,500 | 1925 | ex-Norfolk, sold 1976 | |||
| YM-23 | 630 | 1927 | ex-Louisiana | |||
| YM-24 | ||||||
| YM-25 | 1,250 | ex-Marshall C. Harris, wrecked in Pearl Harbor 1943, salvaged and repaired, sold 1949 | ||||
| YM-26 | ||||||
| YM-27 | ||||||
| YM-28 | 1943 | |||||
| YM-29 | ||||||
| YM-30 | ||||||
| YM-31 | Sand Caster, ex-YSD-64, scrapped 1973 | |||||
| YM-32 | 1969 | struck 1990 | ||||
| YM-33 | Dredge & Marine | Millersville TN | 43 | 80 | 1970 | sold 1998 |
| YM-34 | 1969 | |||||
| YM-35 | St. Louis ship | St. Louis MO | 70 | 1,264 | 1970 | sold 1995 |
| YM-36 | returned to owner 1970 | |||||
| YM-37 | scrapped 1982 | |||||
| YM-38 | Seabee, struck 1987 | |||||
| YMN 1 | Ellicott Machine | Baltimore MD | 154 | 1992 | sold 2002 | |
| Pile Drivers (YPD) | ||||||
| YPD-1 | Crane & Sons | New York NY | 70 | 1898 | ||
| YPD-2 | Puget Sound NSY | Bremerton WA | 65 | 1901 | ||
| YPD-3 | Pensacola NSY | Pensacola FL | 86 | 1902 | ex-Coal Barge No. 57 | |
| YPD-4 | Mare Island NSY | Vallejo CA | 60 | 1904 | ||
| YPD-5 | Boston NSY | Charlestown MA | 40 | 1904 | discarded in the 1910s | |
| YPD-6 | Mare Island NSY | Vallejo CA | 51 | 1905 | converted to landing float | |
| YPD-7 | Pensacola NSY | Pensacola FL | 46 | 1907 | ||
| YPD-8 | Cavite NS | Cavite PI | 80 | 1907 | ||
| YPD-9 | Olongapo NS | Olongapo PI | 56 | 1908 | ||
| YPD-10 | Philadelphia NSY | Philadelphia PA | 55 | 1904 | ||
| YPD-11 | Norfolk NSY | Portsmouth VA | 51 | |||
| YPD-12 | Norfolk NSY | Portsmouth VA | 45 | |||
| YPD-13 | Snare & Triest | Guantanamo CU | 54 | 1905 | to MARAD 1947 | |
| YPD-14 | Norfolk NSY | Portsmouth VA | 50 | 1911 | destroyed 1947 | |
| YPD-15 | Norfolk NSY | Portsmouth VA | 65 | 1908 | to MARAD 1947 | |
| YPD-16 | Hughes, John | Honolulu HI | 66 | 1913 | ||
| YPD-17 | Olongapo RP | 56 | 1916 | |||
| YPD-18 | Charleston NSY | Charleston SC | 80 | 1916 | converted from YC-260 1916 | |
| YPD-19 | Pensacola NS | Pensacola FL | 45 | 1908 | converted from YD-18 | |
| YPD-20 | Boston NSY | Charlestown MA | 60 | 1913 | converted from YC-227 1913 | |
| YPD-21 | 60 | later YD-102 1943 | ||||
| YPD-22 | 60 | 1933 | lost in the Philippines 1942 | |||
| YPD-23 | 65 | 1915 | ex-Wannigan, acquired 1942, destroyed 1946 | |||
| YPD-24 | 60 | 1925 | ex-Camden, acquired 1942 | |||
| YPD-25 | 60 | ex-The Hazel, acquired 1942 | ||||
| YPD-26 | 70 | 1915 | ex-Chomley, acquired 1942 | |||
| YPD-27 | 65 | 1927 | ex-Selig, acquired 1942 | |||
| YPD-28 | 81 | ex-PD 10, destroyed 1945 | ||||
| YPD-29 | 66 | |||||
| YPD-30 | 110 | |||||
| YPD-31 | ||||||
| YPD-32 | 110 | 170 | 1943 | ex-YC-820, scrapped 1981 | ||
| YPD-33 | 90 | 100 | 1900 | ex-YCF-7 | ||
| YPD-34 | ||||||
| YPD-35 | ||||||
| YPD-36 | scrapped 1975 | |||||
| YPD-37 | Todd Shipyards | Seattle WA | 104 | 220 | 1956 | ex-YSD-61, struck 2002 |
| YPD-38 | ||||||
| YPD-39 | ||||||
| YPD-40 | ||||||
| YPD-41 | Todd Shipyards | Seattle WA | 111 | 220 | 1957 | struck 1993 |
| YPD-42 | Todd Shipyards | Seattle WA | 220 | 1957 | scrapped 1988 | |
| YPD-43 | to Mexico 1980 | |||||
| YPD-44 | ||||||
| YPD-45 | San Diego Marine | San Diego CA | 110 | 144 | 1969 | ex-YC-1498, sold 2005 |
| YPD-46 | Mo. Valley Bridge | Leavenworth KS | 261 | 700 | 1945 | ex-YFN-1062, ex-YFNB-35, scrapped 1998 |
| Stevedoring Barges (YS) | ||||||
| YS-2-8 | ||||||
| YS-9 | to USLHS 1920 | |||||
| YS-10 | to USLHS 1920 | |||||
| YS-11 | to USLHS 1920 | |||||
| YS-12 | New York NSY | Brooklyn NY | 35 | 1918 | ||
| YS-13 | New York NSY | Brooklyn NY | 35 | 1918 | to US Army 1921 | |
| YS-14 | New York NSY | Brooklyn NY | 35 | 1918 | ||
| YS-15 | New York NSY | Brooklyn NY | 35 | 1918 | sold 1921 | |
| YS-16 | Nevins, Henry | City Island NY | 35 | 1918 | ||
| YS-17-38 | ||||||
| YS-39 | Nevins, Henry | City Island NY | 35 | 1918 | ||
| YS-40 | Nevins, Henry | City Island NY | 35 | 1918 | sold | |
| YS-41 | Nevins, Henry | City Island NY | 35 | 1918 | ||
| YS-42 | Nevins, Henry | City Island NY | 35 | 1918 | ||
| YS-43 | Nevins, Henry | City Island NY | 35 | 1918 | ||
| YS-44 | Nevins, Henry | City Island NY | 35 | 1918 | ||
| YS-45 | Nevins, Henry | City Island NY | 35 | 1918 | ||
| YS-46 | Nevins, Henry | City Island NY | 35 | 1918 | sold | |
| YS-47 | Nevins, Henry | City Island NY | 35 | 1918 | ||
| YS-48 | Nevins, Henry | City Island NY | 35 | 1918 | ||
| YS-49 | Nevins, Henry | City Island NY | 35 | 1918 | ||
| YS-50 | Nevins, Henry | City Island NY | 35 | 1918 | sold | |
| YS-51 | Nevins, Henry | City Island NY | 35 | 1918 | ||
| YS-52-62 | ||||||
| YS-63 | to USLHS 1920 | |||||
| YS-64-66 | ||||||
| YS-67 | Macnamara Co. | Tarpom Springs FL | 35 | |||
| YS-68 | to USLHS 1920 | |||||
| YS-69 | Gulf SB | Madisonville LA | 35 | |||
| YS-70 | Gulf SB | Madisonville LA | 35 | |||
| YS-71 | Gulf SB | Madisonville LA | 35 | |||
| YS-72 | Gulf SB | Madisonville LA | 35 | later YF-182 | ||
| YS-73 | Gulf SB | Madisonville LA | 35 | later YF-183 | ||
| YS-74 | Gulf SB | Madisonville LA | 35 | |||
| YS-75 | Gulf SB | Madisonville LA | 35 | later YF-184 | ||
| YS-76 | Gulf SB | Madisonville LA | 35 | |||
| YS-77 | Gulf SB | Madisonville LA | 35 | to US Army 1920 | ||
| YS-78 | Gulf SB | Madisonville LA | 35 | |||
| YS-79-83 | ||||||
| YS-84 | 186 | 500 | 1900 | sold 1942 | ||
| YS-85 | 186 | 500 | 1900 | sold 1942 | ||
| YS-86-87 | 66 | 50 | 1941 | small boats 1942 | ||
| YS-88 | Pearl Harbor NSY | Honolulu HI | 66 | 50 | 1941 | sold 1946 |
| YS-89-90 | 66 | 50 | 1942 | small boats 1942 | ||
| YS-91-95 | Boston NSY | Charlestown MA | 66 | 50 | 1942 | small boats 1942 |
| YS-96-98 | 66 | 50 | 1942 | small boats 1942 | ||
| YS-100-103 | 66 | 50 | 1942 | small boats 1942 | ||
| YS-109 | Pearl Harbor NSY | Honolulu HI | 66 | 50 | 1942 | sold 1946 |
| YS-110 | Pearl Harbor NSY | Honolulu HI | 66 | 50 | 1942 | sold 1946 |
| YS-111 | Pearl Harbor NSY | Honolulu HI | 66 | 50 | 1943 | sold 1946 |
| YS-112 | Pearl Harbor NSY | Honolulu HI | 66 | 50 | 1943 | sold 1946 |
| YS-113 | Pearl Harbor NSY | Honolulu HI | 66 | 50 | 1943 | sold 1946 |