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Offshore Service Vessels, Tugboat And Inland Towboat Fleets INTEGRATED TUG/BARGE TUGS Year-end 1984 Total Continuous Horsepower 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 — 11000 — 14000 14500 15000 — 18000 YEAR BUILT 2499 2999 3499 3999 4499 4999 5499 5999 6499 6999 7499 7999 — 11499 — 14499 14999 15499 — 18499 TOT/1 Pre-60 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2 1960 0 0 0 0 0 0 0 0 0 0 . 0 0 0 0 0 0 0 0 1961 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1962 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1963 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1964 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1967 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 2 1968 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1969 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1970 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1971 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1972 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1973 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 2 1974 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1975 0 0 1 1 0 0 0 2 0 0 0 0 0 1 0 0 0 5 1976 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 4 1977 0 0 1 0 0 0 0 1 0 0 1 0 0 1 0 0 0 4 1978 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 2 1979 0 0 0 0 0 0 0 3 0 0 1 0 0 0 0 0 0 4 1980 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 2 1981 0 0 0 0 0 0 0 1 0 0 0 2 0 0 0 1 2 6 1982 0 0 0 1 0 3 0 0 1 0 1 0 0 1 0 0 5 12 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 Totals 0 1 2 4 1 4 1 12 1 0 8 2 2 3 1 1 8 51 ANCHOR-HANDLING TUGS Year-end 1984 Total Continuous Horsepower YEAR 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 BUILT 999 1499 1999 2499 2999 3499 3999 4499 4999 5499 5999 6499 6999 7499 7999 8499 TOTAL UNK 0 2 5 1 0 0 0 0 0 0 0 0 0 0 0 0 8 Pre-60 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1960 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1961 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1962 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1963 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1964 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1965 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1966 0 3 1 1 2 5 0 1 0 0 0 0 0 0 0 0 13 1967 0 1 3 0 1 0 1 1 0 0 1 0 0 0 0 0 8 1968 0 0 1 3 0 1 0 0 0 0 0 0 0 0 0 0 5 1969 0 0 0 4 5 1 0 1 0 0 0 0 0 0 0 0 11 1970 0 0 5 2 0 1 0 0 1 0 2 0 0 0 0 0 11 1971 0 0 1 0 0 2 2 0 2 0 0 0 0 0 0 0 7 1972 0 0 0 1 0 2 2 2 0 0 0 0 0 0 0 0 7 1973 0 0 2 0 0 1 0 1 0 0 1 0 0 0 0 0 5 1974 0 0 2 2 0 0 0 3 2 0 7 0 0 1 0 0 17 1975 0 0 2 3 2 3 1 3 1 0 9 0 0 6 0 0 30 1976 0 0 0 1 0 1 5 0 6 0 3 2 0 3 0 1 22 1977 0 0 0 4 0 2 0 0 0 0 2 0 0 1 0 0 9 1978 0 3 1 4 0 2 0 0 0 0 0 0 0 0 0 0 10 1979 0 0 1 0 0 1 2 2 0 0 0 0 0 0 0 0 6 1980 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 3 1981 0 5 3 1 0 8 1 0 0 0 1 0 0 0 0 0 19 1982 0 3 2 5 0 1 1 0 0 0 0 0 0 0 0 0 12 1983 0 0 0 0 0 2 2 0 0 0 1 2 0 0 0 0 7 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Totals 0 18 32 32 10 37 17 15 12 0 27 4 0 11 0 1 216 CONVENTIONAL TUGS IN MISCELLANEOUS TOWING SERVICE Year-end 1984 Total Continuous Horsepower Under 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 YEAR BUILT UNK 500 999 1499 1999 2499 2999 3499 3999 4499 4999 5499 5999 6499 6999 7499 Unk TOTAL UNK 4 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 6 Pre-60 0 19 56 66 82 22 4 1 9 1 1 0 0 0 1 0 0 262 1960 0 1 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 4 1961 0 0 2 2 3 1 0 0 0 0 0 0 1 0 0 0 0 9 1962 0 1 1 1 1 2 0 1 0 0 0 0 0 0 0 0 0 7 1963 0 1 0 1 1 2 0 1 0 1 0 0 1 0 0 0 0 8 1964 0 5 2 3 2 2 1 1 1 0 0 0 0 0 0 0 0 17 1965 0 2 1 4 7 5 1 2 4 0 1 0 0 0 0 0 0 27 1966 0 2 2 0 10 4 5 1 2 2 0 0 1 0 0 0 0 29 1967 0 1 2 3 15 3 4 4 5 1 1 0 0 0 0 0 0 39 1968 0 1 1 1 7 4 4 4 1 1 0 0 4 0 0 0 0 28 1969 0 3 3 0 3 3 0 1 3 0 0 0 0 0 0 0 0 16 1970 0 1 4 4 5 2 3 3 3 2 0 0 3 0 0 0 0 30 1971 0 2 0 2 1 0 2 1 0 1 0 0 1 0 0 1 0 11 1972 0 0 1 4 1 1 0 5 0 0 0 0 1 0 0 0 0 13 1973 0 0 0 0 0 0 0 7 1 6 0 0 0 0 0 2 0 16 1974 1 0 2 5 1 3 0 1 1 0 0 0 0 0 0 2 0 16 1975 0 0 2 1 0 10 2 4 4 4 0 0 2 0 0 6 0 35 1976 0 0 3 1 1 4 0 5 8 4 1 0 1 0 0 12 0 40 1977 0 0 3 5 1 10 1 8 6 0 0 0 0 0 0 5 0 39 1978 0 4 1 4 4 4 0 3 2 1 0 0 1 0 0 0 0 24 1979 0 0 1 2 5 0 2 4 2 1 0 0 1 0 0 1 0 19 1980 0 1 5 2 3 2 0 0 0 0 0 0 1 0 0 1 0 15 1981 2 0 3 6 11 2 0 0 1 1 0 0 0 1 0 0 0 27 1982 1 0 3 0 7 6 2 1 4 1 2 0 1 2 0 0 0 30 8 1983 1 0 0 1 2 2 1 1 0 0 0 0 0 0 0 0 0 1984 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 Totals 9 44 97 119 173 96 33 59 57 27 6 0 19 3 1 30 0 776
