Underwater operations in progress until 15 jun in area bound by 45-11.93N 036-27.58E, 45-12.05N 036-28.05E,…
Sea of Azov · HYDROLANT 1095/17
What this record establishes
Archived notice · 2017-06-16 00:01Z
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 216/17 041957Z APR 17.. Issued 2017-04-04 20:05Z. 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 Azov. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
- issued
- 2017-04-04 20:05Z
- status
- Archived notice
- authority
- NAVAREA III 216/17 041957Z APR 17.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Sea of Azov
- position
- 45.197, 36.464
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
KERCH STRAIT. DNC 10. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 15 JUN IN AREA BOUND BY 45-11.93N 036-27.58E, 45-12.05N 036-28.05E, 45-11.68N 036-28.08E, 45-11.57N 036-27.62E. 2. CANCEL THIS MSG 16 JUN 17.
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.
- 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.
- 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
60 within 180 nm since 2002 · 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.
- Survey operations 14 thru 28 aug by M/V professor vodyanitsky in area bound by 45-09N 033-16E, 44-45N…2021-08-12
- Underwater operations 220600Z to 230500Z oct by M/V edda flora along trackline joining 43-19.42N 035-34.75E,…2020-10-20
- Survey operations in progress until 15 may by M/V aquamarine in area bound by 43-04N 037-00E, 43-20N…2020-05-01
- Survey operations in progress until 30 dec by vessel aquamarine in area bound by 43-04N 037-00E, 43-20N…2019-11-05
- Survey operations on 20 jul by M/V aquamarine in area bound by 43-04N 037-00E, 43-20N 037-00E, 43-20N…2019-07-17
- Survey operations 06 jul by M/V aquamarine in area bound by 43-04N 037-00E, 43-20N 037-00E, 43-20N 039-00E,…2019-07-04
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 2026-09-28 11:19Z; 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.