Surveys
Underwater operations in progress until further notice by M/V jean charcot along trackline between 49-30N…
HYDROLANT 1727/99
- issued
- 1999-08-18 01:35Z
- status
- cancelled 1999-08-19 01:58Z (archive)
- cancels
- HYDROLANT 1712/99
- authority
- WZ 1490/99 180021Z AUG 99
- position
- 49.517, -17.683
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V JEAN CHARCOT ALONG TRACKLINE BETWEEN 49-30N 016-42W AND 49-32N 018-40W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 1712/99.
This area · survey operations
5 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
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15
18
- Survey operations in progress until further notice by M/V thalassa along trackline between 47-17.4N…2018-06-24
- Hydrographic survey in progress until 09 jun by M/V thalassa along trackline joining 48-25.0N 005-46.2W,…2015-06-06
- Underwater operations in progress until 28 jun by M/V meteor along trackline joining 49-08.50N 011-16.97W,…2011-06-27
- Underwater operations in progress until further notice by M/V jean charcot along trackline between 49-28N…1999-08-16
Season · when survey operations happen here
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F
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A
M
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J
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month of issue, all years in the archive
Timeline
- Underwater operations in progress until further notice by M/V jean charcot along trackline between 49-28N…replaced · 1999-08-16
- Cancel HYDROLANT 1727/99 and this msgcancelled by · 1999-08-19
Nearby now · within 120 nm
- Pap odas buoy relocated to 48-56.30N 016-22.50WNav aids · 61.9 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.