Surveys

Corsica DNC 08

Western Mediterranean Sea · Ligurian Sea · HYDROLANT 3572/20

issued
2020-11-17 21:21Z
status
cancelled 2020-11-25 00:59Z (archive)
self-cancels
2020-11-25 00:59Z
cancels
HYDROLANT 3569/20
authority
NAVAREA III 1549/20 171844Z NOV 20.
sea
Ligurian Sea
position
43.326, 8.649
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN MEDITERRANEAN SEA.
LIGURIAN SEA.
CORSICA
DNC 08.
1. UNDERWATER OPERATIONS 180001Z TO 242359Z NOV
   IN AREA BOUND BY
   42-40N 008-30E, 43-24N 007-39E,
   43-59N 008-42E, 43-16N 009-42E.
2. CANCEL HYDROLANT 3569/20.
3. CANCEL THIS MSG 250059Z NOV 20.

Activity windows · 1 in the telegram

opens (UTC)closes (UTC)local (UTC)length
2020-11-18 00:01Z2020-11-24 23:59ZNov 18, 00:01Nov 24, 23:59167 h 58

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

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

98
00
05
10
15
20
23

Season · when survey operations happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Timeline

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.