Scientific operations in progress until 29 may by M/V l'atalante in area bound by 40-50.50N 027-01.00E,…
Sea of Marmara · HYDROLANT 844/07
What this record establishes
Archived notice · 2007-05-22 13:19Z
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 212/07 200657Z MAY 07.. Issued 2007-05-20 07:34Z. 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
- Scientific operations 05 may thru 17 jun by M/V l'atalante in area bound by 40-44.0N 027-20.5E, 40-56.5N…cancelled by this notice
- Scientific operations in progress until 11 jun by M/V l'atlante in sea of marmaracancelled by this notice
- Scientific operations in progress until 29 may by M/V l'atalante in area bound by 40-51.6N 027-27.8E,…later cancellation notice
Current notices and reporting history in the Sea of Marmara →
- issued
- 2007-05-20 07:34Z
- status
- Archived notice
- authority
- NAVAREA III 212/07 200657Z MAY 07.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Sea of Marmara
- position
- 40.801, 28.220
- 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 40-50.50N 027-01.00E, 40-54.50N 028-32.00E, 40-54.50N 028-37.00E, 40-47.00N 029-16.00E, 40-45.00N 029-20.00E, 40-41.50N 029-20.00E, 40-41.50N 029-14.00E, 40-45.00N 027-59.00E, 40-45.00N 027-58.00E, 40-45.00N 026-58.00E. 2. CANCEL HYDROLANT 745/07, 812/07. 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
118 within 180 nm since 1999 · 3 in the last 12 months · 1 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.
- Drilling operations by fatih platform (imo 95037702026-09-03
- 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
- Survey operations in progress until 14 jun by M/V tcg cesme in areas bound by a. 38-55.93N 025-24.97E,…2022-05-28
- Survey operations in progress until 21 jun by M/V DENAR-2 in area bound by 42-52.90N 031-05.87E, 42-49.11N…2021-04-28
- Survey operations in progress until 29 apr by M/V tcg cubuklu in area bound by 41-29.55N 030-19.39E,…2021-04-13
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
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
56 survey operations listed in force · see all
Record snapshot 2026-10-03 02:39Z; 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.