Surveys

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

HYDROLANT 585/01

issued
2001-02-17 01:55Z
status
cancelled 2001-02-19 09:10Z (archive)
cancels
HYDROLANT 560/01
authority
WZ 415/01 170052Z FEB 01
sea
Celtic Sea
position
51.412, -4.877
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE
   BY M/V SEAHORSE IN VICINITY OF TRACKLINE BETWEEN
   51-24.6N 004-46.5W AND 51-24.8N 004-58.7W. WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 560/01.

This area · survey operations

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

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24

Season · when survey operations happen here

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M
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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.