🔍 Key Concepts

• Wing-in-ground (WIG) craft are treated as power-driven vessels under the International Rules with some special provisions • Annex I of the International Regulations for Preventing Collisions at Sea (COLREGS) covers the positioning and spacing of lights • When a vessel cannot fully comply with the exact placement of required lights, the flag State administration (government) sometimes has specific authority to decide how to adjust

💭 Think About

• Which answer choices talk about the role of the vessel’s government/administration in approving alternative light arrangements? • In the COLREGS, when a vessel cannot meet a precise spacing or positioning requirement, is it normally allowed to just omit lights, or is it expected to approximate compliance as much as possible? • Think about safety: which option keeps the vessel’s overall light pattern and meaning closest to that of an ordinary power-driven vessel?

✅ Before You Answer

• Verify in the International Rules (COLREGS) that a WIG craft is specifically mentioned under the rules for power-driven vessels and in Annex I on lights and shapes • Check whether the rules ever say a vessel may omit required lights simply because exact spacing cannot be met • Confirm whether the rules mention administration/Contracting Government approval when exact compliance with the technical spacing requirements is not possible