COLREG / ARPA / AIS Bridge
Rule 18(a)(iii)
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Power-Driven Gives Way to Fishing Vessel (Rule 18(a)(iii))
Target is identified by AIS as a vessel ENGAGED IN FISHING (badge "F").
This scenario is part of the full library.
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Scenario briefing
Target is identified by AIS as a vessel ENGAGED IN FISHING (badge "F"). Rule 18(a)(iii): a power-driven vessel under way shall keep out of the way of a vessel engaged in fishing. Manoeuvre so that CPA 1 NM in open water.
Applicable COLREG rule(s)
Rule 18(a)(iii) — referenced in this scenario. Practising this scenario reinforces correct application under realistic time pressure.
Why it matters
COLREG knowledge is the foundation of safe ship handling. Most maritime collisions happen because watchkeepers either misidentified the situation, applied the wrong rule, or acted too late. This scenario lets you train pattern recognition + correct response under time pressure — the exact skill the rules are designed to support. RYA, Yachtmaster, STCW and most national exams expect you to apply COLREGs reflexively, not just recite them.
Related scenarios
About SkipperCheck simulators
SkipperCheck offers two browser-based maritime training simulators:
- ARPA · AIS · COLREG Bridge Simulator — 54 scenarios covering Rules 2, 5–10, 12–19, 23–30, 34 and 35.
- VHF SRC Radio Simulator — 15 scenarios: voice Mayday, DSC distress, Mayday Relay, Pan-Pan, Sécurité, routine.
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