Rule 10 — Traffic Separation Schemes
Appears on 50% of examsDifficulty 4/542 drill questions
On the paperQ100 / Q30050 questions90% to pass, 5 wrong allowed
Authoritative sources#
Every answer on this topic traces back to the public rule corpus below.
Source excerpts#
33 CFR §83.10
Traffic separation schemes (Rule 10). (a) This Rule applies to traffic separation schemes and does not relieve any vessel of her obligation under any other Rule in subchapter E. (b) A vessel using a traffic separation scheme shall: (i) Proceed in the appropriate traffic lane in the general direction of traffic flow for that lane; (ii) So far as practicable keep clear of a traffic separation line or separation zone; (iii) Normally join or leave a traffic lane at the termination of the lane, but when joining or leaving from either side shall do so at as small an angle to the general direction of traffic flow as practicable. (c) A vessel shall, so far as practicable, avoid crossing traffic lanes but if obliged to do so shall cross on a heading as nearly as practicable at right angles to…
COLREGs Rule 10
Traffic Separation Schemes (a) This Rule applies to traffic separation schemes adopted by the Organization and does not relieve any vessel of her obligation under any other rule. (b) A vessel using a traffic separation scheme shall: (i) proceed in the appropriate traffic lane in the general direction of traffic flow for that lane; (ii) so far as practicable keep clear of a traffic separation line or separation zone; (iii) normally join or leave a traffic lane at the termination of the lane, but when joining or leaving from either side shall do so at as small an angle to the general direction of traffic flow as practicable. (c) A vessel shall, so far as practicable, avoid crossing traffic lanes but if obliged to do so shall cross on a heading as nearly as practicable at right angles to the…
COLREGs Rule 10(a)
Traffic Separation Schemes (a) This Rule applies to traffic separation schemes adopted by the Organization and does not relieve any vessel of her obligation under any other rule. Relationship to the Inland Rules: Inland Rule 10 is word-for-word identical to this rule.
COLREGs Rule 10(b)
Traffic Separation Schemes (b) A vessel using a traffic separation scheme shall: (i) proceed in the appropriate traffic lane in the general direction of traffic flow for that lane; (ii) so far as practicable keep clear of a traffic separation line or separation zone; (iii) normally join or leave a traffic lane at the termination of the lane, but when joining or leaving from either side shall do so at as small an angle to the general direction of traffic flow as practicable. Relationship to the Inland Rules: Inland Rule 10 is word-for-word identical to this rule.
COLREGs Rule 10(c)
Traffic Separation Schemes (c) A vessel shall, so far as practicable, avoid crossing traffic lanes but if obliged to do so shall cross on a heading as nearly as practicable at right angles to the general direction of traffic flow. Relationship to the Inland Rules: Inland Rule 10 is word-for-word identical to this rule.
COLREGs Rule 10(d)
Traffic Separation Schemes (d) (i) A vessel shall not use an inshore traffic zone when she can safely use the appropriate traffic lane within the adjacent traffic separation scheme. However, vessels of less than 20 meters in length, sailing vessels and vessels engaged in fishing may use the inshore traffic zone. (ii) Notwithstanding subparagraph (d)(i), a vessel may use an inshore traffic zone when en route to or from a port, offshore installation or structure, pilot station or any other place situated within the inshore traffic zone, or to avoid immediate danger. Relationship to the Inland Rules: Inland Rule 10 is word-for-word identical to this rule.
Practice this topic#
One real exam question on this topic, cited to source. No sign-up.
Under both the International and Inland Rules, a vessel not using a traffic separation scheme shall ______.
Study this topic#
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The full lesson covers this topic with citation popovers, and there are 42 drill questions behind it.
Drill Rule 10 — Traffic Separation Schemes against the real exam.
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