Surveys
Underwater operations in progress until further notice by M/V bon accord in area bound by 51-21.5N…
HYDROLANT 1504/99
- issued
- 1999-07-20 02:31Z
- status
- cancelled 1999-07-29 16:37Z (archive)
- authority
- WZ 1293/99 192347Z JUL 99
- sea
- English Channel
- position
- 50.679, -0.382
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V BON ACCORD IN AREA BOUND BY 51-21.5N 000-26.0W, 50-23.0N 000-17.0W, 50-21.2N 000-17.0W, 50-19.5N 000-26.0W. WIDE BERTH REQUESTED.
This area · survey operations
593 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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23
- Survey operations in progress until further notice by M/V mintaka I in vicinity of trackline joining…2023-08-06
- 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
- Underwater operations in progress until further notice by M/V uilenspiegel and c/s responder in vicinity of…2022-07-18
- Survey operations in progress until further notice by M/V nora b in vicinity of trackline joining 51-22.80N…2022-07-16
- Survey operations in progress until further notice by M/V nora b in vicinity of trackline joining 50-46.80N…2022-07-12
Season · when survey operations happen here
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F
M
A
M
J
J
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S
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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
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.