Surveys

Underwater operations in progress until further notice by M/V strakhov vicinity 40-46N 012-46E

HYDROLANT 581/99

issued
1999-03-24 19:03Z
status
cancelled 1999-04-13 00:00Z (archive)
sea
Tyrrhenian Sea
position
40.767, 12.767
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY
M/V STRAKHOV VICINITY 40-46N 012-46E. WIDE BERTH REQUESTED.

This area · survey operations

91 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

85 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.