Surveys

Underwater operations in progress until further notice by M/V havila reel vicinity trackline between 51-15N…

HYDROLANT 1846/01

issued
2001-06-28 12:54Z
status
cancelled 2001-06-30 07:20Z (archive)
cancels
HYDROLANT 1832/01
authority
WZ 1372/01 280543Z JUN 01
position
51.250, -3.417
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 TRACKLINE BETWEEN 51-15N 003-20W
   AND 51-15N 003-30W. WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 1832/01.

This area · survey operations

738 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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M
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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Worldwide now

73 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.