Surveys

Survey operations 140800Z to 161400Z sep by M/V hesperides towing 6000 meter long cable along trackline…

HYDROLANT 2462/01

issued
2001-09-14 06:55Z
status
cancelled 2001-09-16 15:00Z (archive)
self-cancels
2001-09-16 15:00Z
authority
NAVAREA II 343/01 140515Z SEP 01
sea
North Atlantic Ocean
position
36.887, -9.923
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SURVEY OPERATIONS 140800Z TO 161400Z SEP BY M/V HESPERIDES
   TOWING 6000 METER LONG CABLE ALONG TRACKLINE JOINING
   37-05N 009-57W, 37-16N 009-37W, 37-14N 009-35W,
   37-03N 009-54W, 36-27N 010-11W, 36-26N 010-08W,
   37-01N 009-51W. WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 161500Z SEP.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2001-09-14 08:00Z2001-09-16 14:00Z54 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

This area · survey operations

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

99
00
05
10
15
20
24

Season · when survey operations happen here

J
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.