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Inland · Rule 20

Application (Lights and Shapes)

TL;DR

Lights are exhibited from sunset to sunrise and in restricted visibility. Shapes are exhibited by day. Annex I governs the technical particulars.

Authoritative source

International parallel

COLREGs Rule 20Application (Lights and Shapes)

More from Part C — Lights and Shapes

Related drills

Drill Inland Rule 20

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Inland Rule 20: Application (Lights and Shapes) — USCG Captain's Exam Prep · CaptainsGround