Surveys
Underwater operations 07 thru 15 oct by M/V tethys II in area bound by 41-30N 008-45E, 41-30N 009-30E,…
HYDROLANT 3425/00
- issued
- 2000-10-06 13:57Z
- status
- cancelled 2000-10-16 00:00Z (archive)
- cancels
- HYDROLANT 3422/00
- authority
- NAVAREA III 421/00 061201Z OCT 00; WZ 1937/00 060954Z OCT 00
- sea
- Tyrrhenian Sea
- position
- 41.259, 9.179
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 07 THRU 15 OCT BY M/V TETHYS II IN AREA BOUND BY 41-30N 008-45E, 41-30N 009-30E, 41-05N 009-45E, 41-00N 008-45E. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 3422/00(37), OPERATIONS COMPLETED. 3. CANCEL THIS MSG 16 OCT.
This area · survey operations
232 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now
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- Survey operations in progress until 30 jun by M/V ng driller along trackline joining 39-13.99N 007-49.47E,…2024-04-24
- Survey operations in progress until 30 aug by M/V durable along trackline joining 41-22.68N 006-04.83E,…2024-04-24
- Underwater operations in progress until further notice by M/V joides resolution in: a. 40-11.03N 012-42.49E2024-02-16
- Survey operations in progress until 15 apr by M/V ng driller in: a. 39-13.99N 007-49.48E2024-02-01
- 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
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
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.