Surveys

Underwater operations in progress until 20 sep by M/V hesperides along trackline joining 27-29N 014-18W,…

HYDROLANT 2026/02

issued
2002-09-11 15:30Z
status
cancelled 2002-09-21 00:00Z (archive)
authority
NAVAREA II 316/02 110940Z SEP 02
sea
North Atlantic Ocean
position
26.184, -20.002
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 20 SEP
   BY M/V HESPERIDES ALONG TRACKLINE JOINING
   27-29N 014-18W, 26-00N 016-54W, 26-00N 026-00W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 21 SEP.

This area · survey operations

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

99
00
05
10
15
20
23

Season · when survey operations happen here

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F
M
A
M
J
J
A
S
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N
D

month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force 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.