Surveys

Underwater operations in progress until 090100Z jun by unmanned four meter vessel towing 60 meter long…

Celtic Sea · England-southwest Coast · HYDROLANT 1210/16

issued: 2016-05-22 06:20Z
status: cancelled 2016-06-09 02:00Z (archive)
self-cancels: 2016-06-09 02:00Z
authority: WZ 639/16 220515Z MAY 16.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

CELTIC SEA.
ENGLAND-SOUTHWEST COAST.
DNC 19, DNC 20.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 090100Z JUN
   BY UNMANNED FOUR METER VESSEL TOWING 60 METER
   LONG CABLES WITH SUBMERSIBLE IN AREA BETWEEN
   50-00N 51-00N AND 006-00W 007-00W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 090200Z JUN 16.

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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.