Surveys
Underwater operations 24 thru 30 mar by M/V nrv alliance towing cable within one mile of 43-50N 009-15E
HYDROLANT 935/01
- issued
- 2001-03-22 19:19Z
- status
- cancelled 2001-03-24 03:03Z (archive)
- cancels
- HYDROLANT 883/01
- authority
- LA SPEZIA 137/01 221253Z MAR 01; WZ 680/01 221734Z MAR 01
- sea
- Ligurian Sea
- position
- 43.833, 9.250 · r 1.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 24 THRU 30 MAR BY M/V NRV ALLIANCE TOWING CABLE WITHIN ONE MILE OF 43-50N 009-15E. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 883/01(36), OPERATIONS COMPLETED. 3. CANCEL THIS MSG 31 MAR.
This area · survey operations
177 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
- 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
- Survey operations 07 thru 15 jul by M/V thetys II, M/V l'europe and M/V saggitta III in area bound by…2022-07-05
- Survey operations 27 may thru 06 jun by M/V thetys II, M/V l`europe and M/V saggitta III in area bound by…2022-05-26
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Underwater operations in progress until further notice by cableship sovereign vicinity of trackline between…cancels · 2001-03-17
- Underwater operations in progress until further notice by cableship sovereign vicinity of trackline between…replaced · 2001-03-17
- Underwater operations 26 mar thru 07 apr by M/V alliance in area between 43-00N 43-20N and 010-00E 010-20Ecancelled by · 2001-03-24
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.