Surveys
Underwater operations 100001Z to 141200Z apr in areas: a. between 41-10N 40-55N and 008-00E 008-40E
HYDROLANT 637/05
- issued
- 2005-04-07 08:38Z
- status
- cancelled 2005-04-14 13:00Z (archive)
- self-cancels
- 2005-04-14 13:00Z
- authority
- MARISARDEGNA 59/05 070736Z APR 05.
- sea
- Tyrrhenian Sea
- position
- 39.076, 9.420
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 100001Z TO 141200Z APR
IN AREAS:
A. BETWEEN 41-10N 40-55N AND 008-00E 008-40E.
B. BOUND BY 39-10N 009-15E, 39-10N 009-30E,
39-00N 009-40E, 39-00N 009-15E.
C. BETWEEN 41-00N 40-50N AND 009-45E 010-00E.
D. BETWEEN 40-00N 40-10N AND 009-40E 010-00E.
2. CANCEL THIS MSG 141300Z APR.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2005-04-10 00:01Z | 2005-04-14 12:00Z | — | 107 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
167 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now
98
00
05
10
15
20
24
- Survey operations in progress until 30 jun by M/V ng driller along trackline joining 39-13.99N 007-49.47E,…2024-04-24
- Survey operations in progress until 30 aug by M/V durable along trackline joining 41-22.68N 006-04.83E,…2024-04-24
- Underwater operations in progress until further notice by M/V joides resolution in: a. 40-11.03N 012-42.49E2024-02-16
- Survey operations in progress until 15 apr by M/V ng driller in: a. 39-13.99N 007-49.48E2024-02-01
- Survey operations 20 aug thru 17 sep by M/V dallaporta in area bound by 40-38.53N 010-05.00E, 41-20.54N…2022-08-18
- Survey operations 08 thru 30 jun by M/V mg worker in area bound by 39-20.63N 008-17.09E, 39-20.63N…2022-06-07
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
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.