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Cancel HYDROLANT 983/20 and this msg

Gulf of Guinea · Sao Tome and Principe · HYDROLANT 1083/20

issued: 2020-03-24 11:00Z
status: cancelled 2020-03-24 11:00Z (archive)
cancels: HYDROLANT 983/20
authority: NAVAREA II 100/20 241055Z MAR 20.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF GUINEA.
SAO TOME AND PRINCIPE.
DNC 01.
CANCEL HYDROLANT 983/20 AND THIS MSG.

Timeline

Survey operations in progress until 01 jul by M/V polarcus adira towing 12 six mile long cables in area…cancels · 2020-03-15
Survey operations in progress until 01 jul by M/V polarcus adira towing 12 six mile long cables in area…replaced · 2020-03-15

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

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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.