Survey operations in progress until 30 jul by M/V diabaz in areas bound by: a. 54-48-04N 155-24-12E,…
Sea of Okhotsk · HYDROPAC 1906/11
What this record establishes
Archived notice · 2011-07-21 10:25Z
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 XIII 22/11 010916Z JUL 11. Issued 2011-07-01 15:29Z. 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 Okhotsk. 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
- Cancel HYDROPAC 1906/11 and this msglater cancellation notice
Current notices and reporting history in the Sea of Okhotsk →
- issued
- 2011-07-01 15:29Z
- status
- Archived notice
- authority
- NAVAREA XIII 22/11 010916Z JUL 11
- NAVAREA
- NAVAREA XIII · named as the source of this relay
- sea
- Sea of Okhotsk
- position
- 54.753, 155.469
- vessel
- M/V DIABAZ · 21 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
SEA OF OKHOTSK.
1. SURVEY OPERATIONS IN PROGRESS UNTIL
30 JUL BY M/V DIABAZ IN AREAS BOUND BY:
A. 54-48-04N 155-24-12E, 54-49-41N 155-24-18E,
54-49-38N 155-27-06E, 54-48-01N 155-27-01E.
B. 54-44-25N 155-25-39E, 54-46-02N 155-27-12E,
54-45-59N 155-29-59E, 54-44-22N 155-29-53E.
2. CANCEL THIS MSG 31 JUL.
Reading this warning
- 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.
- 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
11 within 180 nm since 2001 · 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 15 oct thru 15 dec by M/V nikolay trubyatchinskiy in area bound by 57-48.00N 152-59.00E,…2024-10-12
- Survey operations 17 sep thru 07 nov by M/V spasatel zaborshchikov in areas bound by: a. 51-34.92N…2022-09-15
- Underwater operations 22 jun thru 03 jul by M/V fyodor kovrov in area bound by 54-49N 154-35E, 56-06N…2019-06-19
- Survey operations 07 jun thru 07 jul by M/V fyodor kovrov in area bound by 54-49N 154-35E, 56-06N 153-57E,…2018-06-04
- Survey operations 03 thru 23 sep by M/V fyodor kovrov in areas bound by: a. 51-34-55N 143-24-16E, 51-34-54N…2017-09-02
- Survey operations 27 aug thru 30 sep by M/V iskatel in area bound by 54-43N 155-40E, 54-49N 154-35E, 56-06N…2011-08-22
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
55 survey operations listed in force · see all
Record snapshot 2026-10-02 06:35Z; 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.