Oceanographic operations 05 thru 20 aug by M/V osv rylan-t in area bound by 44-24.9N 030-44.3E, 44-07.4N…
Black Sea · HYDROLANT 1494/10
What this record establishes
Archived notice · 2010-08-17 11:17Z
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 255/10 040954Z AUG 10.. Issued 2010-08-04 11:20Z. 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
- Black 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
- issued
- 2010-08-04 11:20Z
- status
- Archived notice
- authority
- NAVAREA III 255/10 040954Z AUG 10.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Black Sea
- position
- 44.024, 30.782
- vessel
- M/V RYLAN T · 5 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
BLACK SEA. 1. OCEANOGRAPHIC OPERATIONS 05 THRU 20 AUG BY M/V OSV RYLAN-T IN AREA BOUND BY 44-24.9N 030-44.3E, 44-07.4N 031-14.2E, 43-36.9N 030-45.1E, 43-45.4N 030-30.4E, 44-05.5N 030-26.1E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 21 AUG.
Reading this warning
- 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 · survey operations
209 within 180 nm since 1999 · 13 in the last 12 months · 6 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.
- 1- drilling operations by yildirim rig (imo 9705469, mmsi 271053959), supported by ertugrul bey, aybuke,…2026-09-12
- Survey operations 08 sep thru 01 oct by M/V karadeniz arastirma, M/V barbaros hayreddin pasa and M/V TANUX-1…2026-09-07
- Drilling operations by fatih platform (imo 95037702026-09-03
- Drilling operations by yavuz rig (imo 9503768, mmsi 271046765) supported by osman bey, aybuke, florya,…2026-08-27
- Drilling operations by the kanuni platform (imo 95412032026-08-17
- 1- drilling operations by abdulhamid han rig (imo 97050932026-08-17
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
- Underwater operations 05 jan 25 thru 31 dec 26 in area bound by 44-04.40N 030-34.13E, 44-02.40N 030-30.50E,…Surveys · 6.7 nm
- 1- neptun alpha production platform has been established at the central coordinate point: 44-02.85N 030-35.25EStructures · 8.5 nm
- Object adrift in vicinity 43-55.10N 030-37.65E at 250923Z sepDebris · 9.2 nm
- Hazardous operations 0700Z to 1500Z daily 30 sep and 01 oct in area bound by 44-05.00N 029-08.00E, 44-15.00N…Exercises · 63.7 nm
- Due to the presence of mines, all vessels approaching and departing romanian ports are encouraged to use the…Mines · 67.9 nm
- 1- drilling operations by abdulhamid han rig (imo 9705093Surveys · 68.6 nm
- War risk area, in northwestern part of black sea to northern of line 45-12.2N 029-41.1E 45-11.5N 029-41.4E…War risk · 70.4 nm
- Mines reported in area within five miles of 45-07.10N 030-09.70EMines · 70.8 nm
- 1- drilling operations by yildirim rig (imo 9705469, mmsi 271053959), supported by ertugrul bey, aybuke,…Surveys · 72.9 nm
- Drilling operations by yavuz rig (imo 9503768, mmsi 271046765) supported by osman bey, aybuke, florya,…Surveys · 73.1 nm
- Drilling operations by the kanuni platform (imo 9541203Surveys · 73.7 nm
- Fog signal at constanta outer harbor light 44-08.61N 028-40.37E inoperativeNav aids · 91.2 nm
Worldwide in the collected sources
55 survey operations listed in force · see all
Record snapshot 2026-09-25 21:54Z; source collection times vary.
Surveys
Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →
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.