Surveys

Underwater operations in progress until 290100Z sep by vessel with submersible in area between 50-10N 50-30N…

Celtic Sea · HYDROLANT 2112/15

issued: 2015-08-28 08:33Z
status: cancelled 2015-09-22 00:00Z (archive)
self-cancels: 2015-09-29 02:00Z
authority: NAVAREA I 159/15 280115Z AUG 15.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

CELTIC SEA.
DNC 19.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 290100Z SEP
   BY VESSEL WITH SUBMERSIBLE IN AREA BETWEEN
   50-10N 50-30N AND 006-25W 007-15W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 290200Z SEP 15.

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Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.