Surveys

Hydrographic survey 221100Z to 241100Z nov by M/V geo surveyor along trackline joining 41-16.9N 012-04.8E,…

HYDROLANT 3909/00

issued
2000-11-22 12:22Z
status
cancelled 2000-11-24 12:00Z (archive)
self-cancels
2000-11-24 12:00Z
authority
MARDIPART LA SPEZIA 372/00 221113Z NOV 00
sea
Tyrrhenian Sea
position
41.501, 12.195
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROGRAPHIC SURVEY 221100Z TO 241100Z NOV BY M/V GEO SURVEYOR
   ALONG TRACKLINE JOINING 41-16.9N 012-04.8E, 41-21.7N 012-05.8E,
   41-30.0N 012-12.0E, 41-38.1N 012-16.2E, 41-42.2N 012-20.4E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 241200Z NOV.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2000-11-22 11:00Z2000-11-24 11:00Z48 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

111 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now

97
00
05
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20
24

Season · when survey operations happen here

J
F
M
A
M
J
J
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month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force 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.