Surveys
Underwater operations in progress until further notice by M/V laplace in area bound by 31-36.00N 009-46.55W,…
HYDROLANT 491/09
- issued
- 2009-03-11 17:36Z
- status
- cancelled 2009-04-04 09:25Z (archive)
- cancels
- HYDROLANT 458/09
- authority
- NAVAREA II 60/09 111637Z MAR 09.
- position
- 31.480, -9.842
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V LAPLACE IN AREA BOUND BY 31-36.00N 009-46.55W, 31-28.42N 009-54.47W, 31-22.85N 009-56.62W, 31-21.92N 009-51.82W, 31-26.87N 009-50.18W, 31-33.87N 009-43.37W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 458/09.
This area · survey operations
11 within 180 nm since 2001 · 0 in the last 12 months · 0 in force now
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05
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15
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22
- Survey operations in progress until further notice by M/V hidden gen in vicinity of 30-49.8N 012-33.5W2022-04-22
- Survey operations 25 jul until further notice by M/V urbano monti along trackline joining 33-35.9N…2021-07-24
- Survey operations in progress until 312359Z oct by M/V polar empress towing ten 7050 meter long cables in…2018-08-20
- Survey operations in progress until 31 jul by M/V sarmiento de gamboa in area bound by 34-58N 010-49W,…2018-07-18
- Survey operations in progress in until 302359Z jun by M/V society kosmos energie in area bound by 32-16.47N…2017-05-04
- Survey operations in progress until 012359Z jul by M/V bgp prospector towing 12 8000 meter long cables in…2017-04-21
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Hydrographic survey 09 thru 28 mar by M/V laplace in area between 31-20N 31-45N and 010-00W 009-40Wcancels · 2009-03-07
- Hydrographic survey 09 thru 28 mar by M/V laplace in area between 31-20N 31-45N and 010-00W 009-40Wreplaced · 2009-03-07
- HYDROLANT messages in force 040800Z apr 2009cancelled by · 2009-04-04
Nearby now · within 120 nm
Nothing else in force 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.