Surveys
Underwater operations 040001Z to 062359Z may by M/V tethys II in area bound by 43-06N 006-55E, 43-27N…
HYDROLANT 889/99
- issued
- 1999-05-03 12:49Z
- status
- cancelled 1999-05-07 00:00Z (archive)
- self-cancels
- 1999-05-07 00:59Z
- sea
- Mediterranean Sea - Western Basin
- position
- 43.426, 7.279
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 040001Z TO 062359Z MAY BY M/V TETHYS II IN AREA BOUND BY 43-06N 006-55E, 43-27N 006-55E, 43-43N 007-24E, 43-28N 007-48E. 2. CANCEL THIS MSG 070059Z MAY.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-05-04 00:01Z | 1999-05-06 23:59Z | — | 71 h 58 |
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
184 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now
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05
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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
- Scientific buoys temporarily established by M/V thalassa 15 jul thru 30 aug in: a. dyfamed, 43-25.00N…2023-07-11
- Survey operations 120900Z to 172359Z apr by M/V l'atalante in vicinity of trackline joining 40-56.00N…2023-04-11
- 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
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
83 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.