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Cancel HYDROLANT 3940/20 and this msg, aid restored

North Sea · Orkney Islands · HYDROLANT 3958/20

issued: 2020-12-23 14:26Z
status: cancelled 2020-12-23 14:26Z (archive)
cancels: HYDROLANT 3940/20
authority: WZ 1403/20 231424Z DEC 20.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
ORKNEY ISLANDS.
DNC 20.
CANCEL HYDROLANT 3940/20 AND THIS MSG, AID
RESTORED.

Timeline

Copinsay light 58-53.8N 002-40.3W unreliablecancels · 2020-12-21
Copinsay light 58-53.8N 002-40.3W unreliablereplaced · 2020-12-21

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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.