Survey operations in progress until 14 apr 21 by M/V oceanic vega, M/V mainport pine and M/V aquarius-g in…
Black Sea · HYDROLANT 3430/20
What this record establishes
Archived notice · 2021-04-08 12:06Z
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 1499/20 061217Z NOV 20.. Issued 2020-11-06 12:00Z. 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
- 2020-11-06 12:00Z
- status
- Archived notice
- authority
- NAVAREA III 1499/20 061217Z NOV 20.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Black Sea
- position
- 42.827, 31.314
- vessels
- M/V AQUARIUS G · 8 messagesM/V MAINPORT PINE · 8 messagesM/V OCEANIC VEGA · 63 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
BLACK SEA. TURKEY. DNC 10. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 14 APR 21 BY M/V OCEANIC VEGA, M/V MAINPORT PINE AND M/V AQUARIUS-G IN AREA BOUND BY 42-29.03N 029-49.06E, 42-16.51N 029-49.69E, 42-18.31N 031-12.84E, 42-35.67N 031-12.35E, 42-35.90N 032-27.59E, 43-18.18N 032-27.21E, 43-20.53N 031-59.99E, 43-26.63N 031-20.71E, 43-19.75N 031-06.61E, 43-05.36N 030-53.25E, 42-56.57N 030-45.17E, 42-55.94N 030-44.37E, 42-49.37N 030-36.36E, 42-47.86N 030-34.16E. FIVE MILE BERTH REQUESTED. 2. CANCEL THIS MSG 15 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.
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- 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
231 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
- 1- drilling operations by yildirim rig (imo 9705469, mmsi 271053959), supported by ertugrul bey, aybuke,…Surveys · 2.7 nm
- Drilling operations by the kanuni platform (imo 9541203Surveys · 3.1 nm
- Drilling operations by yavuz rig (imo 9503768, mmsi 271046765) supported by osman bey, aybuke, florya,…Surveys · 6.1 nm
- 1- drilling operations by abdulhamid han rig (imo 9705093Surveys · 20.1 nm
- Pipeline operations in progress until 07 oct 26 by M/V mukavemet, M/V oruc rei̇s, M/V dina polaris, M/V…Cable ops · 22.8 nm
- Pipeline operations 05 jun thru 07 oct by M/V oruc reis, M/V mukavemet, M/V zaganos pasa, M/V denar…Cable ops · 36 nm
- Drilling operations by fatih platform (imo 9503770Surveys · 63.5 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 · 72.8 nm
- 1- neptun alpha production platform has been established at the central coordinate point: 44-02.85N 030-35.25EStructures · 79.8 nm
Worldwide in the collected sources
50 survey operations listed in force · see all
Record snapshot 2026-09-24 23:36Z; 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.