COLREG / ARPA / AIS Bridge
Rule 26(c)(i)
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Rule 26(c) — Fishing (Nets / Lines, Non-Trawling)
NIGHT. A vessel at or near her masthead shows two all-round lights in a vertical line: RED OVER WHITE.
This scenario is part of the full library.
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Scenario briefing
NIGHT. A vessel at or near her masthead shows two all-round lights in a vertical line: RED OVER WHITE. She is making way, no trawl gear, working with set NETS or lines. Identify her activity.
Applicable COLREG rule(s)
Rule 26(c)(i) — 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.
Both run in any modern browser, on desktop or mobile. No install, no plugins.