Surveys
Underwater operations 280001Z to 292200Z may by M/V thetis vicinity 37-29.6N 015-25.6E
HYDROLANT 912/04
- issued
- 2004-05-26 09:40Z
- status
- cancelled 2004-05-29 23:00Z (archive)
- self-cancels
- 2004-05-29 23:00Z
- authority
- MARISICILIA 186/04 251445Z MAY 04
- sea
- Ionian Sea
- position
- 37.493, 15.427
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 280001Z TO 292200Z MAY BY M/V THETIS VICINITY 37-29.6N 015-25.6E. ONE MILE BERTH REQUESTED. 2. CANCEL THIS MSG 292300Z MAY.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2004-05-28 00:01Z | 2004-05-29 22:00Z | — | 45 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
237 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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00
05
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15
20
22
- Underwater operations by M/V handin tide with submersible: a. 01 thru 05 jun in area within ten miles of…2022-05-27
- Survey operations 13 thru 21 feb by M/V havila phoenix with submersible along trackline joining 35-56.56N…2022-02-11
- Underwater operations by M/V handin tide: a. 01 thru 05 sep in area within ten miles of 37-30-00N 015-23-02E2021-08-30
- Underwater operations 15 thru 19 jul notice by M/V hercules in area bound by 36-19.50N 014-53.28E,…2021-07-14
- Survey operations in progress until 22 jul in areas bound by: a. 35-54.54N 012-48.96E, 35-54.54N 012-55.38E,…2021-06-25
- Survey operations in progress until 15 jul by M/V astrea in area bound by 37-25.7N 012-35.8E, 37-25.7N…2021-06-08
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.