Surveys

Underwater operations in progress until further notice by M/V atlantic guardian in 51-17.8N 005-12.3W

Bristol Channel · Celtic Sea · HYDROLANT 716/15

issued
2015-03-25 14:25Z
status
cancelled 2015-03-26 01:27Z (archive)
authority
WZ 384/15 251340Z MAR 15.
sea
Celtic Sea
position
51.297, -5.205
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRISTOL CHANNEL.
CELTIC SEA.
DNC 20.
UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER
NOTICE BY M/V ATLANTIC GUARDIAN IN 51-17.8N 005-12.3W.
WIDE BERTH REQUESTED.

This area · survey operations

776 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

99
00
05
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15
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24

Season · when survey operations happen here

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M
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J
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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Worldwide now

86 survey operations in force · see all

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.