Surveys

Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…

HYDROLANT 4210/00

issued
2000-12-23 12:21Z
status
cancelled 2000-12-24 13:18Z (archive)
cancels
HYDROLANT 4202/00
authority
WZ 2433/00 231119Z DEC 00
sea
English Channel
position
49.517, -4.817
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY
   M/V NEFTEGAZ 31 VICINITY OF TRACKLINE BETWEEN 49-34N 005-00W
   AND 49-28N 004-38W. WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 4202/00.

This area · survey operations

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

99
00
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23

Season · when survey operations happen here

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

Timeline

Nearby now · within 120 nm

Worldwide now

84 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.