National Academies Press: OpenBook

Review and Update of U.S. Coast Guard Vessel Stability Regulations and Guidance (2019)

Chapter: Appendix B: U.S.-Inspected Fleet Vessel Data

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Page 85
Suggested Citation:"Appendix B: U.S.-Inspected Fleet Vessel Data." National Academies of Sciences, Engineering, and Medicine. 2019. Review and Update of U.S. Coast Guard Vessel Stability Regulations and Guidance. Washington, DC: The National Academies Press. doi: 10.17226/25565.
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Suggested Citation:"Appendix B: U.S.-Inspected Fleet Vessel Data." National Academies of Sciences, Engineering, and Medicine. 2019. Review and Update of U.S. Coast Guard Vessel Stability Regulations and Guidance. Washington, DC: The National Academies Press. doi: 10.17226/25565.
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Suggested Citation:"Appendix B: U.S.-Inspected Fleet Vessel Data." National Academies of Sciences, Engineering, and Medicine. 2019. Review and Update of U.S. Coast Guard Vessel Stability Regulations and Guidance. Washington, DC: The National Academies Press. doi: 10.17226/25565.
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Suggested Citation:"Appendix B: U.S.-Inspected Fleet Vessel Data." National Academies of Sciences, Engineering, and Medicine. 2019. Review and Update of U.S. Coast Guard Vessel Stability Regulations and Guidance. Washington, DC: The National Academies Press. doi: 10.17226/25565.
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Page 88
Page 89
Suggested Citation:"Appendix B: U.S.-Inspected Fleet Vessel Data." National Academies of Sciences, Engineering, and Medicine. 2019. Review and Update of U.S. Coast Guard Vessel Stability Regulations and Guidance. Washington, DC: The National Academies Press. doi: 10.17226/25565.
×
Page 89
Page 90
Suggested Citation:"Appendix B: U.S.-Inspected Fleet Vessel Data." National Academies of Sciences, Engineering, and Medicine. 2019. Review and Update of U.S. Coast Guard Vessel Stability Regulations and Guidance. Washington, DC: The National Academies Press. doi: 10.17226/25565.
×
Page 90
Page 91
Suggested Citation:"Appendix B: U.S.-Inspected Fleet Vessel Data." National Academies of Sciences, Engineering, and Medicine. 2019. Review and Update of U.S. Coast Guard Vessel Stability Regulations and Guidance. Washington, DC: The National Academies Press. doi: 10.17226/25565.
×
Page 91
Page 92
Suggested Citation:"Appendix B: U.S.-Inspected Fleet Vessel Data." National Academies of Sciences, Engineering, and Medicine. 2019. Review and Update of U.S. Coast Guard Vessel Stability Regulations and Guidance. Washington, DC: The National Academies Press. doi: 10.17226/25565.
×
Page 92
Page 93
Suggested Citation:"Appendix B: U.S.-Inspected Fleet Vessel Data." National Academies of Sciences, Engineering, and Medicine. 2019. Review and Update of U.S. Coast Guard Vessel Stability Regulations and Guidance. Washington, DC: The National Academies Press. doi: 10.17226/25565.
×
Page 93
Page 94
Suggested Citation:"Appendix B: U.S.-Inspected Fleet Vessel Data." National Academies of Sciences, Engineering, and Medicine. 2019. Review and Update of U.S. Coast Guard Vessel Stability Regulations and Guidance. Washington, DC: The National Academies Press. doi: 10.17226/25565.
×
Page 94

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PREPUBLICATION COPY—Uncorrected Proofs 85 Appendix B U.S.-Inspected Fleet—Vessel Data Note: The tables below are from Marine Information for Safety and Law Enforcement (MISLE) data. Discrepancies in the tables and charts are due to inconsistencies in the raw MISLE data, such as missing or incorrect entries. TABLE B-1 U.S.-Inspected Fleet—Vessel Type by Length Number of U.S.-Inspected Vessels by Type and Length Length (feet) Number Total Passenger Vessels under 65' 4,697 65' to 79' 475 79' to 328' 1,127 greater than 328' 36 6,335 Cargo Vessels under 79' 388 79' to 262' 2,996 262' to 328' 2,187 328' to 492' 237 greater than 492' 323 6,131 SOURCE: USCG, MISLE (data as of May 20, 2019). TABLE B-2 U.S.-Inspected Fleet—Vessel Type by Tonnage Vessel Type Regulatory Tonnage Number Totals Passenger < 100 5,987 ≥ 100 157 6,144 Cargo < 300 968 300–500 146 ≥ 500 4,311 5,425 Vessel Type ITC Tonnage Number Totals Passenger < 100 34 ≥ 100 689 723 Cargo < 300 89 300–500 237 ≥ 500 1,184 1,510 NOTE: ITC = International Convention on Tonnage Measurement of Ships. SOURCE: USCG, MISLE (data as of May 20, 2019).

PREPUBLICATION COPY—Uncorrected Proofs 86 TABLE B-3 U.S.-Inspected Fleet—Vessels by Passenger Allowance Number of Passengers Allowed Inspection Subchapter Totals H K T R ≤ 49 1 2 4,264 7 4,274 50–150 19 20 1,182 0 1,221 ≥ 150 96 392 179 0 667 Totals 116 414 5,625 7 6,162 SOURCE: USCG, MISLE (data as of May 20, 2019). TABLE B-4 Active, Inspected, U.S.-Flag Freight Barge by Decade Built Freight Barge Decade Built Co as tw ise C oa st w ise a nd G re at L ak es G re at L ak es L ak es , B ay s, an d So un ds L ak es , B ay s, an d So un ds P lu s L im ite d C oa st w is e L ak es , B ay s, an d So un ds P lu s L im ite d G re at L ak es O ce an s R iv er s R iv er s P lu s L im ite d G re at L ak es U ns pe ci fie d All Route Types 1860–1869 0 0 0 0 0 0 0 0 0 0 0 1870–1879 0 0 0 0 0 0 0 0 0 0 0 1880–1889 0 0 0 0 0 0 0 0 0 0 0 1890–1899 0 0 0 0 0 0 0 0 0 0 0 1900–1909 0 0 1 0 0 0 0 0 0 0 1 1910–1919 0 0 0 0 0 0 0 0 0 0 0 1920–1929 0 0 0 0 0 0 0 0 0 0 0 1930–1939 0 0 1 0 0 0 0 0 0 0 1 1940–1949 0 0 0 0 0 0 0 0 0 0 0 1950–1959 0 0 4 0 0 0 1 0 0 0 5 1960–1969 1 0 0 0 0 0 3 0 0 0 4 1970–1979 0 0 1 1 0 0 27 0 0 0 29 1980–1989 0 0 2 0 0 0 31 0 0 0 33 1990–1999 0 0 1 3 0 0 29 0 0 0 33 2000–2009 0 0 2 0 0 0 36 0 0 0 38 2010–2019 2 0 1 2 2 0 24 0 0 0 31 Totals 3 0 13 6 2 0 151 0 0 0 175 SOURCE: USCG, MISLE (data as of April 2, 2019).

PREPUBLICATION COPY—Uncorrected Proofs 87 TABLE B-5 Active, Inspected, U.S.-Flag Freight Ship by Decade Built Freight Ship Decade Built Co as tw ise C oa st w ise a nd G re at L ak es G re at L ak es L ak es , B ay s, an d So un ds L ak es , B ay s, an d So un ds P lu s L im ite d C oa st w is e L ak es , B ay s, an d So un ds P lu s L im ite d G re at L ak es O ce an s R iv er s R iv er s p lu s L im ite d G re at L ak es U ns pe ci fie d All Route Types 1860–1869 0 0 0 0 0 0 0 0 0 0 0 1870–1879 0 0 0 0 0 0 0 0 0 0 0 1880–1889 0 0 0 0 0 0 0 0 0 0 0 1890–1899 0 0 0 0 0 0 0 0 0 0 0 1900–1909 0 0 0 0 0 0 0 0 0 0 0 1910–1919 0 0 0 0 0 0 0 0 0 0 0 1920–1929 0 0 0 0 0 0 0 0 0 0 0 1930–1939 0 0 0 0 0 0 0 0 0 0 0 1940–1949 1 0 4 4 0 0 0 2 0 1 12 1950–1959 1 0 9 0 0 0 2 1 0 0 13 1960–1969 0 0 0 4 0 0 7 0 0 0 11 1970–1979 2 0 15 0 0 0 35 0 0 0 52 1980–1989 0 0 6 0 0 0 26 0 0 0 32 1990–1999 0 0 0 0 0 0 20 0 0 0 20 2000–2009 0 0 0 0 0 0 50 0 0 1 51 2010–2019 0 0 0 0 0 0 22 0 0 1 23 Totals 4 0 34 8 0 0 162 3 0 3 214 SOURCE: USCG, MISLE (data as of April 2, 2019).

PREPUBLICATION COPY—Uncorrected Proofs 88 TABLE B-6 Active, Inspected, U.S.-Flag Passenger Vessels by Decade Built Passenger (Inspected) Decade Built Co as tw ise C oa st w ise a nd G re at L ak es G re at L ak es L ak es , B ay s, an d So un ds L ak es , B ay s, an d So un ds P lu s L im ite d C oa st w is e L ak es , B ay s, an d So un ds P lu s L im ite d G re at L ak es O ce an s R iv er s R iv er s p lu s L im ite d G re at L ak es U ni ns pe ct ed All Route Types 1860–1869 0 0 0 0 0 0 0 0 0 1 1 1870–1879 0 0 0 1 1 0 0 0 0 0 2 1880–1889 0 0 0 3 1 0 0 2 0 0 6 1890–1899 0 0 0 2 0 0 0 0 0 0 2 1900–1909 0 0 0 3 1 0 0 1 0 0 5 1910–1919 0 0 0 8 2 0 0 0 0 0 10 1920–1929 0 0 0 14 9 0 1 2 0 0 26 1930–1939 0 0 0 7 10 0 0 6 1 0 24 1940–1949 0 0 7 40 11 0 3 36 1 0 98 1950–1959 5 0 16 39 25 3 8 23 3 0 122 1960–1969 7 0 9 97 76 4 75 55 4 0 327 1970–1979 35 0 21 186 229 1 233 106 11 1 823 1980–1989 27 1 33 327 338 10 197 263 13 1 1,210 1990–1999 14 0 25 375 379 4 132 229 16 4 1,178 2000–2009 28 0 18 368 412 2 131 236 12 3 1,210 2010–2019 18 0 13 354 310 5 70 203 23 0 996 Totals 134 1 142 1,824 1,804 29 850 1,162 84 10 6,040 SOURCE: USCG, MISLE (data as of April 2, 2019).

PREPUBLICATION COPY—Uncorrected Proofs 89 TABLE B-7 Active, Inspected, U.S.-Flag Passenger Barge by Decade Built Passenger Barge (Inspected) Decade Built Co as tw ise C oa st w ise a nd G re at L ak es G re at L ak es L ak es , B ay s, an d So un ds L ak es , B ay s, an d So un ds P lu s L im ite d C oa st w is e L ak es , B ay s, an d So un ds P lu s L im ite d G re at L ak es O ce an s R iv er s R iv er s P lu s L im ite d G re at L ak es U ns pe ci fie d All Route Types 1860–1869 0 0 0 0 0 0 0 0 0 0 0 1870–1879 0 0 0 0 0 0 0 0 0 0 0 1880–1889 0 0 0 0 0 0 0 0 0 0 0 1890–1899 0 0 0 0 0 0 0 0 0 0 0 1900–1909 0 0 0 0 0 0 0 0 0 0 0 1910–1919 0 0 0 0 0 0 0 0 0 0 0 1920–1929 0 0 0 0 0 0 0 0 0 0 0 1930–1939 0 0 0 0 0 0 0 0 0 0 0 1940–1949 0 0 0 0 0 0 0 3 0 0 3 1950–1959 0 0 0 1 0 0 0 5 0 0 6 1960–1969 0 0 0 0 0 0 0 3 0 0 3 1970–1979 0 0 0 0 0 0 0 4 0 0 4 1980–1989 0 0 0 2 0 0 0 7 0 0 9 1990–1999 0 0 0 2 0 0 0 10 0 0 12 2000–2009 0 0 0 0 0 0 0 6 0 0 6 2010–2019 0 0 0 1 0 0 0 9 2 0 12 Totals 0 0 0 6 0 0 0 47 2 0 55 SOURCE: USCG, MISLE (data as of April 2, 2019).

PREPUBLICATION COPY—Uncorrected Proofs 90 TABLE B-8 Active, Inspected, U.S.-Flag Tank Barge by Decade Built Tank Barge Decade Built Co as tw ise C oa st w ise a nd G re at L ak es G re at L ak es L ak es , B ay s, an d So un ds L ak es , B ay s, an d So un ds P lu s L im ite d C oa st w ise L ak es , B ay s, an d So un ds P lu s L im ite d G re at L ak es O ce an s R iv er s R iv er s p lu s L im ite d G re at L ak es U ns pe ci fie d All Route Types 1860–1869 0 0 0 0 0 0 0 0 0 0 0 1870–1879 0 0 0 0 0 0 0 0 0 0 0 1880–1889 0 0 0 0 0 0 0 0 0 0 0 1890–1899 0 0 0 0 0 0 0 0 0 0 0 1900–1909 0 0 0 0 0 0 0 0 0 0 0 1910–1919 0 0 0 0 0 0 0 0 0 0 0 1920–1929 0 0 0 0 0 0 0 0 0 0 0 1930–1939 0 0 0 0 0 0 0 0 0 0 0 1940–1949 0 0 0 0 0 0 1 1 0 0 2 1950–1959 0 0 1 13 0 0 2 4 0 0 20 1960–1969 0 0 2 107 9 0 7 11 0 0 136 1970–1979 1 0 1 154 16 3 6 4 0 1 186 1980–1989 3 0 2 99 8 1 14 7 0 0 134 1990–1999 0 0 0 489 161 11 26 9 0 2 698 2000–2009 4 0 2 857 379 3 136 11 0 1 1,393 2010–2019 1 0 1 660 1,004 7 97 15 0 5 1,790 Totals 9 0 9 2,379 1,577 25 289 62 0 9 4,359 SOURCE: USCG, MISLE (data as of April 2, 2019).

PREPUBLICATION COPY—Uncorrected Proofs 91 TABLE B-9 Active, Inspected, U.S.-Flag Tank Ship by Decade Built Tank Ship Decade Built Co as tw ise C oa st w ise a nd G re at L ak es G re at L ak es L ak es , B ay s, an d So un ds L ak es , B ay s, an d So un ds P lu s L im ite d C oa st w is e L ak es , B ay s, an d So un ds P lu s L im ite d G re at L ak es O ce an s R iv er s R iv er s P lu s L im ite d G re at L ak es U ns pe ci fie d All Route Types 1860–1869 0 0 0 0 0 0 0 0 0 0 0 1870–1879 0 0 0 0 0 0 0 0 0 0 0 1880–1889 0 0 0 0 0 0 0 0 0 0 0 1890–1899 0 0 0 0 0 0 0 0 0 0 0 1900–1909 0 0 0 0 0 0 0 0 0 0 0 1910–1919 0 0 0 0 0 0 0 0 0 0 0 1920–1929 0 0 0 0 0 0 0 0 0 0 0 1930–1939 0 0 0 1 0 0 0 0 0 0 1 1940–1949 0 0 0 1 0 0 0 0 0 0 1 1950–1959 0 0 0 0 0 0 0 0 0 0 0 1960–1969 0 0 0 0 0 0 2 0 0 0 2 1970–1979 0 0 0 2 0 0 0 0 0 0 2 1980–1989 0 0 0 1 0 0 8 0 0 0 9 1990–1999 0 0 0 0 0 0 16 0 0 0 16 2000–2009 0 0 0 6 0 0 22 0 0 0 28 2010–2019 1 0 0 3 0 0 29 0 0 0 33 Totals 1 0 0 14 0 0 77 0 0 0 92 SOURCE: USCG, MISLE (data as of April 2, 2019).

PREPUBLICATION COPY—Uncorrected Proofs 92 TABLE B-10 Active, Inspected, U.S.-Flag Towing Vessel by Decade Built Towing Vessel Decade Built C oa st w is e C oa st w is e an d G re at L ak es G re at L ak es L ak es , B ay s, an d So un ds L ak es , B ay s, an d So un ds P lu s L im ite d C oa st w is e L ak es , B ay s, an d So un ds P lu s L im ite d G re at L ak es O ce an s R iv er s R iv er s P lu s L im ite d G re at L ak es U ns pe ci fie d All Route Types 1860–1869 0 0 0 0 0 0 0 0 0 0 0 1870–1879 0 0 0 0 0 0 0 0 0 0 0 1880–1889 0 0 0 0 0 0 0 0 0 0 0 1890–1899 0 0 0 0 0 0 0 0 0 0 0 1900–1909 0 0 0 0 0 0 0 0 0 0 0 1910–1919 0 0 0 0 0 0 0 0 0 0 0 1920–1929 0 0 0 0 0 0 0 0 0 0 0 1930–1939 0 0 0 0 0 0 0 0 0 0 0 1940–1949 0 0 3 0 0 0 2 0 0 0 5 1950–1959 0 0 0 0 0 0 1 7 0 0 8 1960–1969 3 0 1 1 1 0 3 21 0 0 30 1970–1979 2 0 3 2 0 0 21 47 1 0 76 1980–1989 7 0 1 4 1 0 15 43 1 0 72 1990–1999 3 0 1 1 0 0 14 18 0 0 37 2000–2009 4 0 0 2 2 0 30 57 2 0 97 2010–2019 0 0 1 0 0 0 54 113 0 0 168 Totals 19 0 10 10 4 0 140 306 4 0 493 SOURCE: USCG, MISLE (data as of April 2, 2019).

PREPUBLICATION COPY—Uncorrected Proofs 93 TABLE B-11 Active, Inspected, U.S.-Flag Freight Ship by Subchapter Freight Ship, by Subchapter Decade Built I – Cargo and Miscellaneous Vessels L – Offshore Supply Vessels T – Small Passenger Vessels All Inspection Subchapter Types 1940–1949 10 0 2 12 1950–1959 11 0 2 13 1960–1969 11 0 0 11 1970–1979 50 0 2 52 1980–1989 32 0 0 32 1990–1999 19 0 1 20 2000–2009 49 2 0 51 2010–2019 23 0 0 23 All Years 205 2 7 214 SOURCE: USCG, MISLE (data as of April 2, 2019). TABLE B-12 Active, Inspected, U.S.-Flag Tank Ship by Subchapter Tank Ship, by Subchapter Decade Built D – Tank Vessels I – Cargo and Miscellaneous Vessels OD – Combination of O & D All Inspection Subchapter Types 1930–1939 1 0 0 1 1940–1949 1 0 0 1 1950–1959 0 0 0 0 1960–1969 1 0 1 2 1970–1979 2 0 0 2 1980–1989 7 0 2 9 1990–1999 13 0 3 16 2000–2009 18 0 10 28 2010–2019 21 1 11 33 All Years 64 1 27 92 SOURCE: USCG, MISLE (data as of April 2, 2019).

PREPUBLICATION COPY—Uncorrected Proofs 94 TABLE B-13 Active, Inspected, U.S.-Flag Passenger Vessel by Subchapter Passenger Vessel (Inspected), by Subchapter Decade Built H – Passenger Vessels I – Cargo and Miscellaneous Vessels K – Small Passenger Vessels T – Small Passenger Vessels All Inspection Subchapter Types 1860–1869 1 0 0 0 1 1870–1879 0 0 0 2 2 1880–1889 0 0 0 6 6 1890–1899 0 0 0 2 2 1900–1909 0 0 0 5 5 1910–1919 1 0 0 9 10 1920–1929 0 0 0 26 26 1930–1939 2 0 2 20 24 1940–1949 3 1 3 91 98 1950–1959 6 0 11 105 122 1960–1969 13 0 27 287 327 1970–1979 15 0 47 761 823 1980–1989 24 0 126 1,060 1,210 1990–1999 21 0 86 1,071 1,178 2000–2009 12 2 60 1,136 1,210 2010–2019 8 1 44 943 996 All Years 106 4 406 5,524 6,040 SOURCE: USCG, MISLE (data as of April 2, 2019).

Next: Appendix C: Results of Lightship Weight Sensitivity Analysis for Selected Freight Vessels »
Review and Update of U.S. Coast Guard Vessel Stability Regulations and Guidance Get This Book
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U.S. Coast Guard (USCG) ship stability regulations governing the ability of a vessel to return to an upright position after being disturbed is the focus of a new TRB publication, Review and Update of U.S. Coast Guard Vessel Stability Regulations and Guidance. The authors advise the USCG on how it can make its stability regulations more usable and complete in meeting the requirements of different types of vessels and those vessels that have undergone weight changes that can affect their stability characteristics.

The USCG has safety regulatory jurisdiction over vessels registered in the United States. One of its oldest regulatory functions is to ensure these ships, boats, and other floating vessels remain upright as they encounter both expected and unexpected loading, operating, and weather conditions, including wind and wave conditions and unexpected failure of watertight integrity.

Stability standards have been improved over time - particularly in the past 30 years - and the USCG remains keenly interested in making sure the regulations are kept updated based on the latest technical knowledge, well aligned with international standards, and organized and presented in a manner that facilitates compliance and enforcement. The recommendations in the report are intended to further these aims. The USCG earlier commissioned a National Academies study to identify options for improving vessel stability regulations, and after receiving that study in September 2018, the USCG asked for this second study to provide more in-depth advice on applying these options.

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