Survey operations in progress until 30 dec within 2500 meters of 45-57.3N 037-15.3E
Sea of Azov · HYDROLANT 2940/13
What this record establishes
Archived notice · 2013-12-31 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 579/13 201208Z NOV 13.. Issued 2013-11-20 12:59Z. 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 parsed report position is 45.955, 37.255 with a 1.3 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
- issued
- 2013-11-20 12:59Z
- status
- Archived notice
- authority
- NAVAREA III 579/13 201208Z NOV 13.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Sea of Azov
- position
- 45.955, 37.255 · r 1.3 nm
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
SEA OF AZOV. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 30 DEC WITHIN 2500 METERS OF 45-57.3N 037-15.3E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 31 DEC 13.
Reading this warning
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- 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
52 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
- Navigation prohibited 10 thru 30 jun in area within one mile of 45-06.2N 033-18.6E due to diving operations2019-06-08
- Underwater operations in progress until 15 jun in area bound by 45-11.93N 036-27.58E, 45-12.05N 036-28.05E,…2017-04-04
- Underwater operations in progress until 31 dec by M/V svyatoy pavel taganrogskiy and M/V typhoon within 1100…2015-12-02
- Survey operations in progress until 30 nov by M/V eko and M/V anna 1 towing 300 meter long cable along…2015-09-25
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 11:01Z; 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.