Surveys

Underwater operations in progress until futher notice by M/V tumcha along trackline joining 50-00N 000-08W,…

HYDROLANT 746/00

issued
2000-02-28 12:05Z
status
cancelled 2000-03-08 12:40Z (archive)
authority
WZ 383/00 281041Z FEB 00
sea
English Channel
position
49.984, -1.837
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

UNDERWATER OPERATIONS IN PROGRESS UNTIL FUTHER NOTICE BY
M/V TUMCHA ALONG TRACKLINE JOINING 50-00N 000-08W, 50-01N 002-25W,
49-51N 003-32W. WIDE BERTH REQUESTED.

This area · survey operations

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

99
00
05
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23

Season · when survey operations happen here

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F
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A
M
J
J
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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Worldwide now

83 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.