Surveys
Underwater operations 0700Z to 1900Z daily 23 nov thru 10 dec by M/V manning towing equipment in area bound…
HYDROLANT 2999/01
- issued
- 2001-11-23 17:25Z
- status
- cancelled 2001-12-03 08:20Z (archive)
- self-cancels
- 2001-12-11 20:00Z
- cancels
- HYDROLANT 2926/01
- authority
- MARIDIPART LA SPEZIA 433/01 231409Z NOV 01
- sea
- Tyrrhenian Sea
- position
- 44.038, 9.864
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 0700Z TO 1900Z DAILY 23 NOV THRU 10 DEC BY M/V MANNING TOWING EQUIPMENT IN AREA BOUND BY 44-02-42N 009-51-48E, 44-01-48N 009-51-54E, COASTLINE. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 2926/01. 3. CANCEL THIS MSG 112000Z DEC.
Activity windows · 18 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2001-11-23 07:00Z | 2001-11-23 19:00Z | — | 12 h |
| 2001-11-24 07:00Z | 2001-11-24 19:00Z | — | 12 h |
| 2001-11-25 07:00Z | 2001-11-25 19:00Z | — | 12 h |
| 2001-11-26 07:00Z | 2001-11-26 19:00Z | — | 12 h |
| 2001-11-27 07:00Z | 2001-11-27 19:00Z | — | 12 h |
| 2001-11-28 07:00Z | 2001-11-28 19:00Z | — | 12 h |
| 2001-11-29 07:00Z | 2001-11-29 19:00Z | — | 12 h |
| 2001-11-30 07:00Z | 2001-11-30 19:00Z | — | 12 h |
| … 10 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
174 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now
98
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05
10
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
Timeline
- Underwater operations 0700Z to 1900Z daily 15 nov thru 10 dec by M/V manning towing equipment: a. within one…cancels · 2001-11-13
- Underwater operations 0700Z to 1900Z daily 15 nov thru 10 dec by M/V manning towing equipment: a. within one…replaced · 2001-11-13
- Underwater operations in progress until 14 dec by M/V manning towing equipment in area bound by 44-12.4N…cancelled by · 2001-12-03
Nearby now · 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.