Surveys
Underwater operations in progress until 101800Z may with submersible within 2000 yards of 42-42.92N 010-01.84E
HYDROLANT 1657/00
- issued
- 2000-05-10 09:30Z
- status
- cancelled 2000-05-10 19:00Z (archive)
- self-cancels
- 2000-05-10 19:00Z
- cancels
- HYDROLANT 1645/00
- authority
- MARIDIPART LA SPEZIA 149/00 091156Z MAY 00
- sea
- Tyrrhenian Sea
- position
- 42.715, 10.031 · r 1.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 101800Z MAY WITH SUBMERSIBLE WITHIN 2000 YARDS OF 42-42.92N 010-01.84E. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 1645/00. 3. CANCEL THIS MSG 101900Z MAY.
This area · survey operations
206 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 20 aug thru 17 sep by M/V dallaporta in area bound by 40-38.53N 010-05.00E, 41-20.54N…2022-08-18
- 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
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.