1. LawStack
  2. Title 33 - Navigation and Navigable Waters
  3. Chapter I - Coast Guard, Department of Homeland Security
  4. Subchapter NN - Deepwater Ports
  5. Part 150 - Deepwater Ports: Operations
  6. Subpart D - Vessel Navigation
  7. 33 CFR § 150.380
33 CFR § 150.380
Under what circumstances may vessels operate within the safety zone or area to be avoided?
August 2, 2023
CFR
Editorial Note on Part 150

Editorial Note:

Nomenclature changes to part 150 appear by USCG–2010–0351, 75 FR 36284, June 25, 2010.

§ 150.380 Under what circumstances may vessels operate within the safety zone or area to be avoided?

(a) Table 150.380(a) of this section lists both the areas within a safety zone where a vessel may operate and the clearance needed for that location.

Table 150.380(a)—Regulated Activities of Vessels at Deepwater Ports

Open Table
Regulated activities Safety zone Areas to be avoided around each deepwater port
component1 		Anchorage areas Other areas within and adjacent to the safety zone
(e.g., no anchoring area)
Tankers calling at port C C C C
Support vessel movements C C C C
Transit by vessels other than tankers or support vessels F D P P
Mooring to surface components (for example an SPM) by vessels other than tankers or support vessels N N N N
Anchoring by vessels other than tankers or support vessels N F C F
Fishing, including bottom trawl (shrimping) N D P N
Mobile drilling operations or erection of structures.2 N R N N
Lightering/transshipment N N N N

1 Areas to be avoided are in subpart J of this part.

2 Not part of Port Installation.

Key to regulated activities for Table 150.380(a):

C—Movement of the vessel is permitted when cleared by the person in charge of vessel operations.

D—Movement is not restricted, but recommended transit speed not to exceed 10 knots. Communication with the person in charge of vessel operations.

F—Only in an emergency. Anchoring will be avoided in a no anchoring area except in the case of immediate danger to the ship or persons on board.

N—Not permitted.

P—Transit is permitted when the vessel is not in the immediate area of a tanker, and when cleared by the vessel traffic supervisor.

R—Permitted only if determined that operation does not create unacceptable risk to personnel safety and security and operation. For transiting foreign-flag vessels, the requirement for clearance to enter the area to be avoided and no anchoring area is advisory in nature, but mandatory for an anchorage area established within 12 nautical miles.

(b) If the activity is not listed in table 150.380(a) of this section, or otherwise provided for in this subpart, the Sector Commander's, or MSU Commander's, with COTP and OCMI authority permission is required before operating in the safety zone or regulated navigation area.

[USCG–1998–3884, 71 FR 57651, Sept. 29, 2006, as amended by USCG–2013–0397, 78 FR 39182, July 1, 2013]

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§ 150.355 How are other vessels cleared to move within the safety zone?
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§ 150.385 What is required in an emergency?

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