Surveys

Underwater operations in progress until 311900Z mar by M/V rnmb hazard in areas within one mile of: a.…

English Channel · England-south Coast · HYDROLANT 901/17

issued
2017-03-20 07:03Z
status
cancelled 2017-03-31 20:00Z (archive)
self-cancels
2017-03-31 20:00Z
authority
WZ 347/17 200650Z MAR 17.
sea
English Channel
position
50.554, -2.333
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

ENGLISH CHANNEL.
ENGLAND-SOUTH COAST.
DNC 20.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 311900Z MAR
   BY M/V RNMB HAZARD IN AREAS WITHIN ONE MILE OF:
   A. 50-32.0N 002-22.5W.
   B. 50-34.5N 002-17.4W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 312000Z MAR 17.

This area · survey operations

748 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

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Season · when survey operations happen here

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month of issue, all years in the archive

Nearby now · within 120 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.