Surveys

Underwater operations in progress until further notice by M/V havila reel vicinity 51-02N 004-59W

HYDROLANT 1748/01

issued
2001-06-17 14:36Z
status
cancelled 2001-06-18 05:50Z (archive)
cancels
HYDROLANT 1736/01
authority
WZ 1296/01 171304Z JUN 01
sea
Celtic Sea
position
51.033, -4.983
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY
   M/V HAVILA REEL VICINITY 51-02N 004-59W. WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 1736/01.

This area · survey operations

755 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

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.