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Title 33

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Displaying title 33, up to date as of 9/03/2026. Title 33 was last amended 9/01/2026.
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  1. Title 33 —Navigation and Navigable Waters
  2. Chapter I —Coast Guard, Department of Homeland Security
  3. Subchapter P —Ports and Waterways Safety
  4. Part 167 —Offshore Traffic Separation Schemes
  5. Subpart B —Description of Traffic Separation Schemes and Precautionary Areas
  6. Pacific West Coast
  7. § 167.1323
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§ 167.1323 In Puget Sound and its approaches: Puget Sound.

The traffic separation scheme in Puget Sound consists of six separation zones and two traffic lanes connected by six precautionary areas. The following are established:

(a) A separation zone bounded by a line connecting the following geographical positions:

Latitude Longitude
48°11.08′ N 122°46.88′ W
48°06.85′ N 122°39.52′ W
48°02.48′ N 122°38.17′ W
48°02.43′ N 122°38.52′ W
48°06.72′ N 122°39.83′ W
48°10.82′ N 122°46.98′ W

(b) Precautionary area “SC,” which is contained within a circle of radius 0.62 miles, centered at 48°01.85′ N, 122°38.15′ W.

(c) A separation zone bounded by a line connecting the following geographical positions:

Latitude Longitude
48°01.40′ N 122°37.57′ W
47°57.95′ N 122°34.67′ W
47°55.85′ N 122°30.22′ W
47°55.67′ N 122°30.40′ W
47°57.78′ N 122°34.92′ W
48°01.28′ N 122°37.87′ W

(d) Precautionary area “SE,” which is contained within a circle of radius 0.62 miles, centered at 47°55.40′ N, 122°29.55′ W.

(e) A separation zone bounded by a line connecting the following geographical positions:

Latitude Longitude
47°54.85′ N 122°29.18′ W
47°46.52′ N 122°26.30′ W
47°46.47′ N 122°26.62′ W
47°54.80′ N 122°29.53′ W

(f) Precautionary area “SF,” which is contained within a circle of radius 0.62 miles, centered at 47°45.90′ N, 122°26.25′ W.

(g) A separation zone bounded by a line connecting the following geographical positions:

Latitude Longitude
47°45.20′ N 122°26.25′ W
47°40.27′ N 122°27.55′ W
47°40.30′ N 122°27.88′ W
47°45.33′ N 122°26.60′ W

(h) Precautionary area “SG,” which is contained within a circle of radius 0.62 miles, centered at 47°39.68′ N, 122°27.87′ W.

(i) A separation zone bounded by a line connecting the following geographical positions:

Latitude Longitude
47°39.12′ N 122°27.62′ W
47°35.18′ N 122°27.08′ W
47°35.17′ N 122°27.35′ W
47°39.08′ N 122°27.97′ W

(j) Precautionary area “T,” which is contained within a circle of radius 0.62 miles, centered at 47°34.55′ N, 122°27.07′ W.

(k) A separation zone bounded by a line connecting the following geographical positions:

Latitude Longitude
47°34.02′ N 122°26.70′ W
47°26.92′ N 122°24.10′ W
47°23.07′ N 122°20.98′ W
47°19.78′ N 122°26.58′ W
47°19.98′ N 122°26.83′ W
47°23.15′ N 122°21.45′ W
47°26.85′ N 122°24.45′ W
47°33.95′ N 122°27.03′ W

(l) Precautionary area “TC,” which is contained within a circle of radius 0.62 miles, centered at 47°19.48′ N, 122°27.38′ W.

(m) A traffic lane for northbound traffic that connects with precautionary areas “SC,” “SE,” “SF,” “SG,” “T,” and “TC,” as described in paragraphs (b), (d), (f), (h), (j), and (k) of this section, respectively, and is located between the separation zones described in paragraphs (a), (c), (e), (g), (i), and (k) of this section, respectively, and a line connecting the following geographical positions:

Latitude Longitude
48°11.72′ N 122°46.83′ W
48°07.13′ N 122°38.83′ W
48°02.10′ N 122°37.32′ W
47°58.23′ N 122°34.07′ W
47°55.83′ N 122°28.80′ W
47°45.92′ N 122°25.33′ W
47°39.68′ N 122°26.95′ W
47°34.65′ N 122°26.18′ W
47°27.13′ N 122°23.40′ W
47°23.33′ N 122°20.37′ W
47°22.67′ N 122°20.53′ W
47°19.07′ N 122°26.75′ W

(n) A traffic lane for southbound traffic that connects with precautionary areas “SC,” “SE,” “SF,” “SG,” “T,” and “TC,” as described in paragraphs (b), (d), (f), (h), (j), and (k) of this section, respectively, and is located between the separation zones described in paragraphs (a), (c), (e), (g), (i), and (k) of this section, respectively, and a line connecting the following geographical positions:

Latitude Longitude
48°10.15′ N 122°47.58′ W
48°09.35′ N 122°45.55′ W
48°06.45′ N 122°40.52′ W
48°01.65′ N 122°30.03′ W
47°57.47′ N 122°35.45′ W
47°55.07′ N 122°30.35′ W
47°45.90′ N 122°27.18′ W
47°39.70′ N 122°28.78′ W
47°34.47′ N 122°27.98′ W
47°26.63′ N 122°25.12′ W
47°23.25′ N 122°22.42′ W
47°20.00′ N 122°27.90′ W

[USCG-2002-12702, 75 FR 70827, Nov. 19, 2010]

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