33 CFR §104.292

1. (a)At all Maritime Security (MARSEC) Levels, the vessel owner or operator must ensure security sweeps are performed, prior to getting underway, after any period the vessel was unattended.
2. (b)As an alternative to the identification checks and passenger screening requirements in § 104.265(d)(2), (d)(4), and (d)(9), the owner or operator of a passenger vessel or ferry may ensure security measures are implemented that include—
   1. (1)Searching selected areas prior to embarking passengers and prior to sailing; and
   2. (2)Implementing one or more of the following:
      1. (i)Performing routine security patrols;
      2. (ii)Providing additional closed-circuit television to monitor passenger areas; or
      3. (iii)Securing all non-passenger areas.
3. (c)Passenger vessels certificated to carry more than 2000 passengers, working in coordination with the terminal, may be subject to additional vehicle screening requirements in accordance with a MARSEC Directive or other orders issued by the Coast Guard.
4. (d)Owners and operators of passenger vessels and ferries covered by this part that use public access facilities, as that term is defined in § 101.105 of this subchapter, must address security measures for the interface of the vessel and the public access facility, in accordance with the appropriate Area Maritime Security Plan.
5. (e)At MARSEC Level 2, a vessel owner or operator must ensure, in addition to MARSEC Level 1 measures, the implementation of the following:
   1. (1)Search selected areas prior to embarking passengers and prior to sailing;
   2. (2)Passenger vessels certificated to carry less than 2000 passengers, working in coordination with the terminal, may be subject to additional vehicle screening requirements in accordance with a MARSEC Directive or other orders issued by the Coast Guard; and
   3. (3)As an alternative to the identification and screening requirements in § 104.265(d)(4) and (e)(1), intensify patrols, security sweeps and monitoring identified in paragraph (b) of this section.
6. (f)At MARSEC Level 3, a vessel owner or operator may, in addition to MARSEC Levels 1 and 2 measures, as an alternative to the identification checks and passenger screening requirements in § 104.265(d)(4) and (f)(1), ensure that random armed security patrols are conducted, which need not consist of vessel personnel.