Surveys

Underwater operations 180800Z to 192200Z nov by M/V willchallenge in vicinity of 50-19.0N 004-14.7W

English Channel · England · HYDROLANT 2952/22

issued
2022-11-17 11:31Z
status
cancelled 2022-11-19 23:00Z (archive)
self-cancels
2022-11-19 23:00Z
authority
WZ 1148/22 171110Z NOV 22.
position
50.317, -4.245
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

ENGLISH CHANNEL.
ENGLAND.
DNC 20.
1. UNDERWATER OPERATIONS 180800Z TO 192200Z NOV
   BY M/V WILLCHALLENGE IN VICINITY OF
   50-19.0N 004-14.7W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 192300Z NOV 22.

This area · survey operations

709 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

73 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.