Surveys
Underwater operations in progress until 27 nov by two 12 meter submersibles in area bound by 50-17.0N…
English Channel · England · HYDROLANT 3427/20
- issued
- 2020-11-06 04:09Z
- status
- cancelled 2020-11-10 21:50Z (archive)
- authority
- WZ 1209/20 060326Z NOV 20.
- sea
- English Channel
- position
- 50.298, -4.418
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
ENGLISH CHANNEL. ENGLAND. DNC 20. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 27 NOV BY TWO 12 METER SUBMERSIBLES IN AREA BOUND BY 50-17.0N 004-15.0W, 50-15.0N 004-37.0W, 50-17.3N 004-38.0W, 50-21.3N 004-17.2W, 50-20.1N 004-14.3W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 28 NOV 20.
This area · survey operations
719 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- Survey operations in progress until further notice by M/V mintaka I in vicinity of trackline joining…2023-08-06
- Survey operations 06 thru 11 jan by M/V belgica in area bound by 48-14.00N 005-05.00W, 47-28.00N 005-10.00W,…2023-01-04
- 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
- Scientific moorings established until 30 sep by M/V armorique in: a. 47-40.85N 004-30.70W2022-09-13
- Survey operations in progress until 10 sep by M/V laperouse and M/V borda along trackline joining 48-27.48N…2022-09-01
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 3427/20 and this msg, operations suspendedcancelled by · 2020-11-10
Nearby now · within 120 nm
- Fowey light 50-19.60N 004-38.90W unreliableNav aids · 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.