Surveys

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

HYDROLANT 3196/01

issued
2001-12-17 14:00Z
status
cancelled 2001-12-18 12:50Z (archive)
cancels
HYDROLANT 3159/01
authority
WZ 2349/01 171124Z DEC 01
sea
Celtic Sea
position
49.733, -7.375
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 49-52N 007-20W AND 49-36N 007-25W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 3159/01.

This area · survey operations

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

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Season · when survey operations happen here

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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.