Surveys
Underwater operations 0600Z to 1800Z daily 16 may thru 14 jun by M/V alliance in area bound by 43-15.0N…
HYDROLANT 1705/00
- issued
- 2000-05-12 17:12Z
- status
- cancelled 2000-06-14 19:00Z (archive)
- self-cancels
- 2000-06-14 19:00Z
- authority
- MARIDIPART LA SPEZIA 155/00 121225Z MAY 00
- sea
- Tyrrhenian Sea
- position
- 43.036, 10.225
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 0600Z TO 1800Z DAILY 16 MAY THRU 14 JUN BY M/V ALLIANCE IN AREA BOUND BY 43-15.0N 010-07.0E, 43-15.0N 010-20.0E, 42-50.0N 010-20.0E, 42-50.0N 010-15.5E, 42-48.5N 010-15.5E, 42-47.5N 010-14.0E, 42-49.0N 010-12.5E, 42-50.0N 010-07.0E. 2. CANCEL THIS MSG 141900Z JUN.
Activity windows · 30 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2000-05-16 06:00Z | 2000-05-16 18:00Z | — | 12 h |
| 2000-05-17 06:00Z | 2000-05-17 18:00Z | — | 12 h |
| 2000-05-18 06:00Z | 2000-05-18 18:00Z | — | 12 h |
| 2000-05-19 06:00Z | 2000-05-19 18:00Z | — | 12 h |
| 2000-05-20 06:00Z | 2000-05-20 18:00Z | — | 12 h |
| 2000-05-21 06:00Z | 2000-05-21 18:00Z | — | 12 h |
| 2000-05-22 06:00Z | 2000-05-22 18:00Z | — | 12 h |
| 2000-05-23 06:00Z | 2000-05-23 18:00Z | — | 12 h |
| … 22 more | |||
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
196 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now
98
00
05
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15
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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
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.