Surveys
Survey operations in progress until 28 sep by M/V ramform tethys in 35-55.5N 011-33.19E
Eastern Mediterranean Sea · Tunisia · HYDROLANT 2031/21
- issued
- 2021-08-04 13:06Z
- status
- cancelled 2021-09-29 19:54Z (archive)
- cancels
- HYDROLANT 1972/21
- authority
- NAVAREA III 623/21 041227Z AUG 21.
- position
- 35.925, 11.553
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN MEDITERRANEAN SEA. TUNISIA. DNC 08. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 28 SEP BY M/V RAMFORM TETHYS IN 35-55.5N 011-33.19E. 1000 METER BERTH REQUESTED. 2. CANCEL HYDROLANT 1972/21.
This area · survey operations
257 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- Survey operations 10 apr thru 10 may by M/V dalla porta in: a. 37-23.06N 011-35.59E2022-04-08
- Survey operations 13 thru 21 feb by M/V havila phoenix with submersible along trackline joining 35-56.56N…2022-02-11
- Survey operations in progress until 12 mar 22 by M/V artabro in area bound by 36-46.3N 011-01.8E, 37-01.5N…2021-10-30
- Survey operations in progress until 12 mar 22 by M/V viccica in area bound by 36-48.5N 011-02.9E, 36-46.8N…2021-10-30
- Survey operations in progress until 01 nov by M/V artabro in area bound by 36-47.4N 011-04.3E, 37-14.2N…2021-10-25
- Underwater operations 22 sep thru 16 oct by M/V dalla porta in area bound by 37-34N 011-14E, 37-23N 011-36E,…2021-09-20
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Survey operations in progress until further notice by M/V ramform tethys towing 8025 meter long cable in…cancels · 2021-07-29
- Survey operations in progress until further notice by M/V ramform tethys towing 8025 meter long cable in…replaced · 2021-07-29
- Icebergs reported in: a. 60-22S 047-32Wcancelled by · 2021-09-29
Nearby now · within 120 nm
Worldwide now
73 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.