Scientific operations in progress until 29 may by M/V l'atalante in area bound by 40-51.6N 027-27.8E,…
Sea of Marmara · HYDROLANT 862/07
What this record establishes
Archived notice · 2007-05-30 00:00Z
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 218/07 221152Z MAY 07.. Issued 2007-05-22 13:19Z. 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
- Sea of Marmara. 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
Current notices and reporting history in the Sea of Marmara →
- issued
- 2007-05-22 13:19Z
- status
- Archived notice
- authority
- NAVAREA III 218/07 221152Z MAY 07.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Sea of Marmara
- position
- 40.801, 28.377
- vessel
- M/V L'ATALANTE · 68 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. SCIENTIFIC OPERATIONS IN PROGRESS UNTIL 29 MAY BY M/V L'ATALANTE IN AREA BOUND BY 40-51.6N 027-27.8E, 40-54.5N 028-32.0E, 40-54.5N 028-37.0E, 40-47.0N 029-16.0E, 40-45.0N 029-20.0E, 40-41.5N 029-20.0E, 40-41.5N 029-14.0E, 40-45.0N 027-59.0E, 40-45.0N 027-58.0E, 40-45.2N 027-20.1E. 2. CANCEL HYDROLANT 844/07. 3. CANCEL THIS MSG 30 MAY.
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.
- 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 · survey operations
131 within 180 nm since 1999 · 7 in the last 12 months · 3 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
- 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
- 1- drilling operations by yildirim rig (imo 9705469, mmsi 271053959), supported by ertugrul bey, aybuke,…2026-08-11
- Drilling operations by abdulhamid han (imo 97050932026-07-28
- Drilling operations by yavuz platform (imo 9503768, mmsi 271046765) supported by osman bey, aybuke, florya,…2026-06-26
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
- Drilling operations by fatih platform (imo 9503770Surveys · 115.8 nm
Worldwide in the collected sources
56 survey operations listed in force · see all
Record snapshot 2026-09-28 12:45Z; 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.