Surveys
Underwater operations in progress until further notice by M/V normand vester along trackline between 54-08N…
HYDROLANT 1397/99
- issued
- 1999-07-07 07:05Z
- status
- cancelled 1999-07-08 13:32Z (archive)
- cancels
- HYDROLANT 933/99HYDROLANT 1388/99
- authority
- 1. WZ 1224/99 070526Z JUL 99 2. NAVAREA V 536/99 070414Z JUL 99
- sea
- Irish Sea and St. George's Channel
- position
- 53.975, -3.750
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V NORMAND VESTER ALONG TRACKLINE BETWEEN 54-08N 004-18W AND 53-49N 003-12W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 933/99(24), AID RESTORED. 3. CANCEL HYDROLANT 1388/99.
This area · survey operations
411 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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24
- Survey operations in progress until further notice by M/V sw amundsen towing seven 2200 meter long cables in…2024-04-18
- Survey operations in progress until further notice by M/V sw bly towing four 2300 meter long cables, marked…2022-05-08
- Survey operations in progress until further notice by M/V sw bly towing four 2300 meter long cables, marked…2022-04-17
- Survey operations in progress until further notice by S/V ocean resolution in area bound by 54-05.6N…2021-08-26
- Survey operations in progress until further notice by M/V ocean resolution in area bound by 54-05.6N…2021-08-02
- Survey operations in progress until further notice by M/V ocean resolution in area bound by 54-05.6N…2021-07-27
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Paranagua radiobeacon 25-29.7S 048-19.5W off airreplaced · 1999-05-07
- Cancel HYDROLANT 1397/99 and this msg, operations suspendedcancelled by · 1999-07-08
Nearby now · within 120 nm
- Mew island light 54-41.90N 005-30.80W unreliableNav aids · 75.5 nm
- Mf dsc and r/t services off air at: a. bawdsey 51-59.60N 001-24.50ENav aids · 115.9 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.