Cable ops

Cancel HYDROLANT 671/99, survey operations completed

HYDROLANT 712/99

What this record establishes

Archived notice · 1999-04-12 00:00Z

This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.

Source and dates
NGA MSI broadcast-warn JSON (archive, frozen 2024-05). Issued 1999-04-12 21:40Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
No named location parsed. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.

Related notices and cancellation links

issued
1999-04-12 21:40Z
status
Archived notice
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. CANCEL HYDROLANT 671/99, SURVEY OPERATIONS COMPLETED.
2. CANCEL HYDROLANT 685/99, CABLE OPERATIONS COMPLETED.
3. CANCEL THIS MSG.

Reading this warning

Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROLANT
The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
Survey operations
A research or survey vessel is mapping the seabed or water column, often while towing equipment.
Cable operations
A ship is laying, burying or repairing a submarine cable, usually along a stated route.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Nearby notices listed in force · within 120 nm

No parsed position is available for this comparison.

Worldwide in the collected sources

23 cable & pipeline work listed in force · see all

Record snapshot 2026-10-03 21:52Z; source collection times vary.

Cable ops

Cable laying, pipeline and seismic operations. All current cable & pipeline work →

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.