Aegean sea DNC 09
Aegean Sea · HYDROLANT 3338/20
What this record establishes
Archived notice · 2020-10-31 14:23Z
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 1463/20 301911Z OCT 20.. Issued 2020-10-30 21:03Z. 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
- Aegean Sea. The map shows the reported line or operation extent; it is not a vessel track. Check the original wording for limits and qualifications.
Related notices and cancellation links
- issued
- 2020-10-30 21:03Z
- status
- Archived notice
- authority
- NAVAREA III 1463/20 301911Z OCT 20.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Aegean Sea
- position
- 36.973, 23.997
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
AEGEAN SEA
DNC 09.
1. UNDERWATER OPERATIONS BY CABLESHIP IEVOLI IVORY:
A. 30 OCT ALONG TRACKLINE JOINING
37-03.39N 023-56.86E, 36-58.92N 023-59.47E.
B. 31 OCT ALONG TRACKLINE JOINING
36-58.92N 023-59.47E, 36-53.80N 024-02.49E.
C. 01 NOV ALONG TRACKLINE JOINING
36-53.80N 024-02.49E, 36-54.28N 024-02.16E.
ONE MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 3295/20.
3. CANCEL THIS MSG 02 NOV 20.
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.
- Underwater operations
- Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
- Cable operations
- A ship is laying, burying or repairing a submarine cable, usually along a stated route.
- Track line joining
- Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
- 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.
- 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.
- 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
92 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 normand pacific along trackline joining…2021-02-14
- Cable operations 03 feb until further notice by cableship normand pacific in 37-18.08N 023-43.64E2021-02-03
- Cable operations in progress until further notice by M/V isaac newton along trackline joining 36-03.05N…2021-01-29
- Cable operations by M/V urbano monti: a. 24 dec along trackline joining 35-55.3N 027-51.7E, 35-20.8N…2020-12-24
- Cable operations 24 dec until further notice by M/V urbano monti along trackline joining 35-55.3N 027-51.7E,…2020-12-23
- Cable operations in progress until further notice by M/V urbano monti along trackline joining 36-47.1N…2020-12-18
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 01:58Z; 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.