INLAND ONLY At night, which lights are required on barges moored in a group formation, more than two barges wide, and located where other vessels cannot navigate on both sides of the group?
• Inland Navigation Rules requirements for barges moored in groups • How lighting changes when a barge group is more than two barges wide and not navigable on both sides • Difference between corner marking lights and single group-identification lights
• Ask yourself: Is the purpose of the lights here to mark every barge, or to show the overall limits of the entire group as one unit? • Think about why the rule mentions "cannot navigate on both sides of the group". How would the required lights change if traffic could pass on both sides? • Consider what colors are normally associated with moored barge groups inland at night and whether they must be all-round and unobstructed.
• Verify in the Inland Rules (Annex or specific barge-lighting provisions) what lights are required for moored barge clusters more than two wide • Check which color and arrangement is specified for a group of barges seen as a single obstruction, not as individual units • Confirm whether the rule requires lights at each barge corner or only at the outer extremities of the entire group
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