Other

Cancel HYDROLANT 1720/99 and this msg, operations completed

HYDROLANT 1747/99

issued: 1999-08-20 16:20Z
status: cancelled 1999-08-20 16:20Z (archive)
cancels: HYDROLANT 1720/99
authority: WZ 1503/99 200936Z AUG 99
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

CANCEL HYDROLANT 1720/99 AND THIS MSG, OPERATIONS COMPLETED.

Timeline

Underwater operations in progress until further notice by M/V geo searcher along trackline between 53-48N…replaced · 1999-08-17

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

34 other warnings in force · see all

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.