Cable operations 221400Z to 291400Z apr by cableship raymond croze in area bound by 37-06.00N 000-21.80W,…
Mediterranean Sea - Western Basin · HYDROLANT 1101/21
What this record establishes
Archived notice · 2021-04-29 15:00Z
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) · NAVAREA III 414/21 211200Z APR 21.. Issued 2021-04-21 11:25Z. 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
- Mediterranean Sea - Western Basin. 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
- Cancel HYDROLANT 1101/21 and this msglater cancellation notice
Current notices and reporting history in the Mediterranean Sea - Western Basin →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2021-04-22 14:00Z | 2021-04-29 14:00Z | — | 168 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2021-04-21 11:25Z
- status
- Archived notice
- self-cancels
- 2021-04-29 15:00Z
- authority
- NAVAREA III 414/21 211200Z APR 21.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Mediterranean Sea - Western Basin
- position
- 36.754, -0.827
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN MEDITERRANEAN SEA. ALGERIA. DNC 08. 1. CABLE OPERATIONS 221400Z TO 291400Z APR BY CABLESHIP RAYMOND CROZE IN AREA BOUND BY 37-06.00N 000-21.80W, 37-02.00N 000-17.16W, 36-24.20N 001-09.80W, 36-38.40N 001-14.70W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 291500Z APR 21.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- 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.
- 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.
- Wide berth requested
- Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · cable & pipeline work
20 within 180 nm since 1999 · 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 130700Z to 152359Z apr by M/V rebecca along trackline joining 37-10.00N 000-06.20E,…2021-04-11
- Cable operations 091500Z to 222300Z mar by M/V rebecca in area bound by 36-26.1N 001-17.2W, 37-01.2N…2021-03-05
- Cable operations in progress until further notice by cableship intrepid in vicinity of trackline joining…2018-05-23
- Cable operations in progress until further notice in area bound by 36-47.4N 002-49.7E, 36-48.0N 002-50.0E,…2018-05-10
- Cable operations in progress until further notice by cableship intrepid in vicinity of trackline joining…2018-04-27
- Cable operations 20 nov thru 30 dec by cableship it intrepid in vicinity of trackline joining 39-29.0N…2017-11-19
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
Worldwide in the collected sources
24 cable & pipeline work listed in force · see all
Record snapshot 2026-10-02 03:21Z; 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.