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Chapter 2: USFS Security-Related Vessel Characteristics 31
Table 2. Number of vessels in relatively high-risk
passenger capacity categories by state.
Vessel Passenger Capacity Total High-Risk
State 500 to 1,999 2,000 or more Vessels
Washington 15 9 24
New York 12 5 17
California 15 0 15
Massachusetts 13 0 13
Connecticut 6 0 6
Alaska 5 0 5
Texas 5 0 5
Delaware 5 0 5
Louisiana 4 0 4
Michigan 4 0 4
Ohio 4 0 4
Virginia 1 0 1
Maine 1 0 1
17%, respectively) of the 149 ferry vessels that have more than 100 gross tons are required to meet
33 CFR 104 requirements based solely on tonnage because their passenger capacity is less than 150.
2.4 Additional Categories That May Affect Security
The following categories do not affect the applicability of federal security regulations. How-
ever, they may be considered in vulnerability assessments and security plans developed for ves-
sels under 33 CFR 104, for facilities under 33 CFR 105, and for areas under 33 CFR 103.
2.4.1 High-Ridership Systems
As shown in Table 3, the first, third, and fourth systems with the highest ridership are in the
New York City area and together represent one-third of all boardings at U.S. ferry systems. The
ferry system with the second-to-highest ridership is located in the state of Washington. Ferry sys-
tems with the fifth, sixth, and seventh highest ridership service the cities of Houston-Galveston,
San Francisco, and Corpus ChristiPort Aransas, respectively. According to considerations of
both annual ridership (Table 3) and capacity of largest vessels (Table 2), the New York City area
and the state of Washington ferry systems are the highest-risk systems.
2.4.2 Vessel Vehicle Capacity
Highway vehicle cargo in the USFS presents additional security concerns because vehicles con-
tain a much greater volume to inspect and have the ability to carry and hide large amounts of
explosives or other hazardous materials. As shown in Table 4, of the vessels in the National Ferry
Database, 341 (50%) are passenger-only vessels. Three hundred and twenty-six vessels (48%) are
roll-on/roll-off vessels with the ability to carry highway vehicles. Most roll-on/roll-off vessels also
carry passengers. Only 10 of the 677 vessels in the National Ferry Database are railroad carfloats.
