Survey operations 28 jun thru 05 jul by M/V sapurakencana wira in area bound by 08-05.25N 108-08.10E,…
South China Sea · HYDROPAC 2249/17
What this record establishes
Archived notice · 2017-07-06 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) · HAIPHONG RADIO 271244Z JUN 17.. Issued 2017-06-27 12:48Z. 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
- South China Sea. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Current notices and reporting history in the South China Sea →
- issued
- 2017-06-27 12:48Z
- status
- Archived notice
- authority
- HAIPHONG RADIO 271244Z JUN 17.
- issued by
- HAIPHONG RADIO
- sea
- South China Sea
- position
- 8.073, 108.151
- vessel
- M/V SAPURAKENCANA WIRA · 2 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
SOUTH CHINA SEA. DNC 11. 1. SURVEY OPERATIONS 28 JUN THRU 05 JUL BY M/V SAPURAKENCANA WIRA IN AREA BOUND BY 08-05.25N 108-08.10E, 08-04.25N 108-10.35E, 08-03.52N 108-10.02E, 08-04.52N 108-07.78E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 06 JUL 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.
- 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.
- 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
21 within 180 nm since 2010 · 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.
- Salvage operations in progress until further notice in vicinity 06-42.00N 109-55.00E2022-09-29
- Survey operations in progress until 10 oct by M/V polarcus alima towing six four mile long cables in area…2020-09-09
- Survey operations in progress in area bound by 10-29.64N 107-49.46E, 10-29.64N 107-49.74E, 10-29.37N…2019-09-03
- Survey operations 20 thru 27 jun by M/V ptsc surveyor in 08-21.1N 108-42.5E2019-06-19
- Survey operations 02 thru 09 sep by M/V ptsc researcher in 08-33.98N 108-43.33E2018-08-31
- Survey operations 18 thru 26 oct by M/V discovery 01 in vicinity 09-45.38N 107-58.71E2017-10-14
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
- Oil rig reported to exists in 07-47.5N 108-12.0EWrecks · 17.1 nm
- Oil rig reported to exists in 07-42.1N 107-55.8EWrecks · 25.9 nm
Worldwide in the collected sources
56 survey operations listed in force · see all
Record snapshot 2026-10-01 20:25Z; 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.