# 33 C.F.R. § 165.111 (2026): Safety Zone: Boston Harbor, Boston, Massachusetts

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T33_P165_S165_111

## Section

- **Citation:** 33 C.F.R. § 165.111 (2026)
- **Heading:** Safety Zone: Boston Harbor, Boston, Massachusetts
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 33 CFR: Navigation and Navigable Waters / Chapter I: COAST GUARD, DEPARTMENT OF HOMELAND SECURITY / Part 165: REGULATED NAVIGATION AREAS AND LIMITED ACCESS AREAS / Subpart F: Specific Regulated Navigation Areas and Limited Access Areas / § 165.111: § 165.111   Safety Zone: Boston Harbor, Boston, Massachusetts.

## Text

(a) The following areas are established as safety zones during the conditions specified:
(1) Around the U.S.S.
Constitution
or any accompanying parade vessels when
Constitution
is under way—300 yards in all directions in the waters around the U.S.S.
Constitution
and each parade vessel accompanying
Constitution
whenever the U.S.S.
Constitution
is underway in Boston Harbor from the time such vessels depart their respective berths until the time they complete their transit and are safely moored.
(2) Whenever
Constitution
is moored at Pier 1, Charlestown Navy Yard—the waters between Hoosac Pier and Pier 1, Charlestown Navy Yard, from the imaginary line connecting the outer easternmost point protruding into Boston Harbor from Hoosac Pier to the outer westernmost point protruding into Boston Harbor from Pier 1, Charlestown Navy Yard, extending inbound along the face of both piers to the landside points where both piers end.
(3) Around the U.S.S.
Constitution
—fifty yards in all directions in the waters around
Constitution
when the vessel is moored at any Boston berthing location other than Pier 1, Charlestown Navy Yard.
(b) The general regulations governing safety zones as contained in 33 CFR 165.23 apply.
[CGD1 91-109, 57 FR 30407, July 9, 1992]

## Nearby sections

- [33 C.F.R. § 165.100 (2026) § 165.100   Regulated Navigation Area: Navigable waters within the USCG Northeast District.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P165_S165_100.md)
- [33 C.F.R. § 165.101 (2026) § 165.101   Kittery, Maine—regulated navigation area.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P165_S165_101.md)
- [33 C.F.R. § 165.102 (2026) § 165.102   Security Zone: Walkers Point, Kennebunkport ME.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P165_S165_102.md)
- [33 C.F.R. § 165.103 (2026) § 165.103   Safety and Security Zones; LPG Vessel Transits in Portland, Maine, Captain of the Port Zone, Portsmouth Harbor, Portsmouth, New Hampshire.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P165_S165_103.md)
- [33 C.F.R. § 165.104 (2026) § 165.104   Safety Zone: Vessel Launches, Bath Iron Works, Kennebec River, Bath, Maine.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P165_S165_104.md)
- [33 C.F.R. § 165.105 (2026) § 165.105   Security Zones; Passenger Vessels, Portland, Maine, Captain of the Port Zone.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P165_S165_105.md)
- [33 C.F.R. § 165.106 (2026) § 165.106   Security Zone: Seabrook Nuclear Power Plant, Seabrook, New Hampshire.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P165_S165_106.md)
- [33 C.F.R. § 165.110 (2026) § 165.110   Safety and Security Zone; Liquefied Natural Gas Carrier Transits and Anchorage Operations, Boston, Massachusetts.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P165_S165_110.md)
- [33 C.F.R. § 165.111 (2026) § 165.111   Safety Zone: Boston Harbor, Boston, Massachusetts.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P165_S165_111.md)
- [33 C.F.R. § 165.112 (2026) § 165.112   Safety Zone: USS CASSIN YOUNG, Boston, Massachusetts.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P165_S165_112.md)
- [33 C.F.R. § 165.113 (2026) § 165.113   Security Zone: Dignitary arrival/departure Logan International Airport, Boston, MA.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P165_S165_113.md)
- [33 C.F.R. § 165.114 (2026) § 165.114   Safety and Security Zones: Escorted Vessels—Boston Harbor, Massachusetts.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P165_S165_114.md)
- [33 C.F.R. § 165.116 (2026) § 165.116   Safety and Security Zones; Salem and Boston Harbors, Massachusetts.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P165_S165_116.md)
- [33 C.F.R. § 165.117 (2026) § 165.117   Regulated Navigation Areas, Safety and Security Zones: Deepwater Ports, USCG Northeast District.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P165_S165_117.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T33_P165_S165_111. Check the current official text before relying on it. Not legal advice.