CPA_ais-276779000|ais-636023497Two vessels will approach within approximately 91 m over ~7 minutes: "BALTIC QUEEN" (16 kn) ↔ "BOSPHORUS-M" (11 kn). On reciprocal/crossing courses, such close approach is a collision risk indicator. Automatic CPA calculation — unconfirmed event, early warning signal. 📋 EVIDENCE (AIS · aisstream): "BALTIC QUEEN" MMSI 276779000 @ 59.5584,22.8468 · 16 kn · course 268° | "BOSPHORUS-M" MMSI 636023497 @ 59.5629,22.8246 · 11 kn · course 253° | Report: 2026-09-21 19:21:44 UTC
Fast forward to the AIS position, speed and heading of the two ships; If the closest passage distance (CPA) will fall below 0.5 nautical miles, a warning will be generated.
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