Surveys
Underwater operations in progress until further notice by M/V mirfak between 50-50N 004-55W and 50-49N 005-32W
HYDROLANT 1497/99
- issued
- 1999-07-19 19:58Z
- status
- cancelled 1999-07-23 14:00Z (archive)
- cancels
- HYDROLANT 1493/99
- authority
- WZ 1289/99 191243Z JUL 99
- sea
- Celtic Sea
- position
- 50.825, -5.225
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V MIRFAK BETWEEN 50-50N 004-55W AND 50-49N 005-32W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 1493/99.
This area · survey operations
732 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- Underwater operations 180800Z to 192200Z nov by M/V willchallenge in vicinity of 50-19.0N 004-14.7W2022-11-17
- Survey operations 15 sept thru 20 oct by M/V thlassa in vicinity of trackline joining 48-30.00N 006-00.00W,…2022-09-14
- Survey operations in progress until 10 sep by M/V laperouse and M/V borda along trackline joining 48-27.48N…2022-09-01
- Underwater operations in progress until further notice by unmanned submersible ALR4 in vicinity of trackline…2022-06-10
- Underwater operations in progress until further notice by submersible in vicinity of trackline joining…2022-05-10
- Survey operations 03 thru 22 jun by M/V cote de la manche with submersible in area bound by 48-34N 008-24W,…2021-06-01
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
- Fowey light 50-19.60N 004-38.90W unreliableNav aids · 37.1 nm
Worldwide now
84 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.