Surveys
Underwater operations 050700Z to 051800Z may within one mile of 43-59-00N 009-55-30E
HYDROLANT 895/99
- issued
- 1999-05-04 00:40Z
- status
- cancelled 1999-05-05 00:00Z (archive)
- self-cancels
- 1999-05-05 19:00Z
- sea
- Tyrrhenian Sea
- position
- 43.983, 9.925 · r 1.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 050700Z TO 051800Z MAY WITHIN ONE MILE OF 43-59-00N 009-55-30E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 051900Z MAY.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-05-05 07:00Z | 1999-05-05 18:00Z | — | 11 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
180 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now
98
00
05
10
15
20
23
- Survey operations 22 jul thru 13 aug by M/V tethys II, M/V l`europe, and M/V sagitta III in area bound by…2023-07-20
- Survey operations in progress until 19 jul by M/V five in area bound by 43-49.26N 009-54.46E, 44-09.71N…2023-07-18
- Survey operations in progress until 30 mar by M/V ocean link along trackling joining 43-14.09N 007-46.66E,…2023-03-17
- Survey operations 02 thru 17 feb by M/V tethys II, M/V l europe and M/V sagitta III in area bound by…2023-01-30
- Survey operations 07 thru 15 jul by M/V thetys II, M/V l'europe and M/V saggitta III in area bound by…2022-07-05
- Survey operations 27 may thru 06 jun by M/V thetys II, M/V l`europe and M/V saggitta III in area bound by…2022-05-26
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
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.