Surveys

Underwater operations in progress until further notice by M/V jean charcot along trackline between 49-56N…

HYDROLANT 1632/99

issued
1999-08-06 10:10Z
status
cancelled 1999-08-08 00:42Z (archive)
cancels
HYDROLANT 1621/99
authority
WZ 1403/99 060901Z AUG 99
position
49.892, -11.517
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE
   BY M/V JEAN CHARCOT ALONG TRACKLINE BETWEEN
   49-56N 010-58W AND 49-51N 012-04W. WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 1621/99.

This area · survey operations

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

99
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23

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

Nothing else in force within 120 nm.

Worldwide now

75 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.