Surveys
Underwater survey operations 040500Z thru 112159Z mar by M/V tethys II in area bound by 42-56N 006-00E,…
HYDROLANT 435/99
- issued
- 1999-03-04 00:24Z
- status
- cancelled 1999-03-11 00:00Z (archive)
- self-cancels
- 1999-03-11 22:59Z
- sea
- Mediterranean Sea - Western Basin
- position
- 42.856, 6.113
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER SURVEY OPERATIONS 040500Z THRU 112159Z MAR BY M/V TETHYS II IN AREA BOUND BY 42-56N 006-00E, 42-56N 006-12E, 42-47N 006-15E, 42-47N 006-00E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 112259Z MAR.
This area · survey operations
180 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now
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- 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 111700Z apr by M/V tethys II in vicinity of trackline joining 41-22.0N…2023-04-09
- Survey operations in progress until 111800Z apr by M/V tethys II in vicinity of trackline joining 40-07.0N…2023-04-09
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
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.