Guidance

MGN 357 Night time lookout: photochromic lenses and dark adaptation

Guidelines about avoiding the use of photochromic lenses and allowing time for dark adaptation when undertaking lookouts at night.

Document

MGN 357 Night-time lookout: photochromic lenses and dark adaptation (M+F)

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Details

Notice to:

  • all ship operators
  • masters and skippers
  • officers
  • lookouts
Published 30 December 2007