Surveys

Underwater operations in progress until further notice by M/V ares within one mile of 51-20.5N 006-58.5W

HYDROLANT 7/01

issued
2001-01-01 12:55Z
status
cancelled 2001-01-04 17:52Z (archive)
cancels
HYDROLANT 4257/00HYDROLANT 4281/00HYDROLANT 4/01
authority
WZ 3/01 011118Z JAN 01; WZ 2490/00 310733Z DEC 00; WZ 2/01 011003Z JAN 01; UKMRCC AOR-E EGC #402 011238Z JAN 01
sea
Celtic Sea
position
51.342, -6.975 · r 1.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER
   NOTICE BY M/V ARES WITHIN ONE MILE OF
   51-20.5N 006-58.5W. WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 4257/00, OPERATIONS COMPLETED.
3. CANCEL HYDROLANT 4281/00, OPERATIONS SUSPENDED.
4. CANCEL HYDROLANT 4/01(36), PERSONS RESCUED.

This area · survey operations

655 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.