Elements of Tropical Cyclones Avoidance Procedure

The updated version of the Cyclone II program was used for analyzing hundreds of cases where ships were facing dozens of developed cyclones. The program generates directions for navigators that are recommended for consideration before making decisions on passing around or avoiding tropical cyclones. Three specific situations were defined where a vessel may enter the area affected by a tropical cyclone, and its commander must consider three recommendations for safe passing of the cyclone: (1) vessel – cyclone encounter, where if on opposite courses, the most effective action is course alteration; (2) when the ship overtakes the cyclone, speed reduction is the most effective action; and (3) when the vessel and the cyclone are on crossing routes (30° ÷ 90°), a slight decrease in speed or a slight course alteration or both actions can be effective.

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  • English

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Filing Info

  • Accession Number: 01496769
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Oct 1 2013 12:44PM