Surveys

Underwater operations 100600Z to 101800Z may with submersible within 2000 yards of 42-42.92N 010-01.84E

HYDROLANT 1645/00

issued
2000-05-09 18:05Z
status
cancelled 2000-05-10 09:30Z (archive)
self-cancels
2000-05-10 19:00Z
authority
MARDIPART LASPEZIA 149/00 091156Z MAY 00
sea
Tyrrhenian Sea
position
42.715, 10.031 · r 1.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS 100600Z TO 101800Z MAY WITH SUBMERSIBLE
   WITHIN 2000 YARDS OF 42-42.92N 010-01.84E. WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 101900Z MAY.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2000-05-10 06:00Z2000-05-10 18:00Z12 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

206 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.