Underwater cable operations 262200Z jun until further notice by cableship leon thevenin in area bound by…
Celtic Sea · HYDROLANT 1320/99
What this record establishes
Archived notice · 1999-07-03 07:59Z
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) · 1. NAVAREA II 185/99 260535Z JUN 99; 2. NAVAREA V 504/99 & 507/99. Issued 1999-06-26 06:03Z. 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
- Celtic Sea. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Radiobeacon and dgps service at rasa light 23-03.8S 043-08.7W off aircancelled by this notice
- Radiobeacon and dgps service at aracaju light 10-58.2S 037-02.2W inoperativelater cancellation notice
- issued
- 1999-06-26 06:03Z
- status
- Archived notice
- authority
- 1. NAVAREA II 185/99 260535Z JUN 99; 2. NAVAREA V 504/99 & 507/99
- NAVAREA
- NAVAREA II · named as the source of this relay
- sea
- Celtic Sea
- position
- 47.856, -7.718
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER CABLE OPERATIONS 262200Z JUN UNTIL FURTHER NOTICE BY CABLESHIP LEON THEVENIN IN AREA BOUND BY 47-52.8N 007-24.2W, 47-56.0N 007-35.3W, 47-56.4N 007-47.4W, 47-43.8N 008-00.0W. 2. CANCEL HYDROLANT 1285/99(24).
Reading this warning
- Cable operations
- A ship is laying, burying or repairing a submarine cable, usually along a stated route.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
- Until further notice
- The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
- Area bound by
- Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- 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.
Collected reports in this area · cable & pipeline work
446 within 180 nm since 1998 · 0 in the last 12 months · 0 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- Cable operations in progress until further notice by cableship ile de batz in vicinity of trackline joining…2024-09-21
- Exposed submarine cable along trackline joining 47-39.49N 004-39.75W, 47-37.74N 004-42.30W, 47-36.75N…2024-08-30
- Cable operations 130001Z thru 280100Z may by cableship athena along trackline joining 49-09.57N 005-37.48W,…2024-05-09
- Cable operations in progress until 03 jun by cableship detector along trackline joining 48-45.15N…2024-05-03
- Cable operations in progress until further notice by cableship detector along trackline joining 51-18.40N…2024-05-01
- Cable operations in progress until further notice by cableship detector along trackline joining 51-18.40N…2024-05-01
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
24 cable & pipeline work listed in force · see all
Record snapshot 2026-10-02 13:46Z; 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.