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Cancel HYDROLANT 1804/21 and this msg, operations completed

North Sea · HYDROLANT 1931/21

issued: 2021-07-24 04:18Z
status: cancelled 2021-07-24 04:18Z (archive)
cancels: HYDROLANT 1804/21
authority: NAVAREA I 142/21 240330Z JUL 21.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
DNC 20.
CANCEL HYDROLANT 1804/21 AND THIS MSG,
OPERATIONS COMPLETED.

Timeline

Survey operations in progress until further notice by M/V ramform vanguard towing 12 10500 meter long cables…cancels · 2021-07-08
Survey operations in progress until further notice by M/V ramform vanguard towing 12 10500 meter long cables…replaced · 2021-07-08

Nearby now · within 120 nm

Nothing else in force within 120 nm.

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Other

Everything the classifier did not place elsewhere. All current other warnings →

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.