Surveys

Hydrographic surveys by M/V geo surveyor: a. 132259Z to 141100Z nov along trackline joining 41-51.7N…

HYDROLANT 3832/00

issued
2000-11-14 03:15Z
status
cancelled 2000-11-14 17:33Z (archive)
self-cancels
2000-11-16 12:00Z
cancels
HYDROLANT 3829/00
authority
MARDIPART LA SPEZIA 356/00 131631Z NOV 00; MARIDPART LA SPEZIA 355/00 131632Z NOV 00
sea
Tyrrhenian Sea
position
41.689, 11.818
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROGRAPHIC SURVEYS BY M/V GEO SURVEYOR:
   A. 132259Z TO 141100Z NOV ALONG TRACKLINE JOINING
      41-51.7N 011-01.7E, 41-40.5N 012-12.6E,
      41-40.5N 012-13.5E, 41-40.7N 012-14.5E,
      41-41.0N 012-15.4E, 41-41.3N 012-15.9E,
      41-43.1N 012-18.2E.
   B. 141101Z TO 161100Z NOV 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.
2. CANCEL HYDROLANT 3829/00.
3. CANCEL THIS MSG 161200Z NOV.

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
2000-11-13 22:59Z2000-11-14 11:00Z12 h 01
2000-11-14 11:01Z2000-11-16 11:00Z47 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

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

97
00
05
10
15
20
24

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.