Surveys

Underwater operations 040700Z to 082259Z feb in areas: a. between 44-08.0N 44-00.0N and 009-30.0E 009-50.0E

HYDROLANT 256/02

issued
2002-02-01 21:29Z
status
cancelled 2002-02-01 21:29Z (archive)
self-cancels
2002-02-08 23:59Z
authority
LA SPEZIA 42/02 011244Z FEB 02
sea
Tyrrhenian Sea
position
44.033, 9.936
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS 040700Z TO 082259Z FEB IN AREAS:
   A. BETWEEN 44-08.0N 44-00.0N AND 009-30.0E 009-50.0E.
   B. BOUND BY 44-03.3N 009-53.3E, 44-00.1N 009-58.2E,
      44-00.7N 009-59.0E, 44-03.9N 009-54.0E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 082359Z FEB.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2002-02-04 07:00Z2002-02-08 22:59Z111 h 59

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

171 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now

98
00
05
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15
20
23

Season · when survey operations happen here

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

Nearby now · 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.