Seismic survey 25 jul thru 15 nov by M/V viking vision in area bound by 15-16-02.2N 109-39-20.2E,…
South China Sea · HYDROPAC 2084/12
What this record establishes
Archived notice · 2012-11-16 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) · HAIPHONG 181229Z JUL 12 - AUSCOAST 195/12 CX 220625Z JUL 12.. Issued 2012-07-22 09:23Z. 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.
Related notices and cancellation links
- Australia-northeast Coastcancelled by this notice
Current notices and reporting history in the South China Sea →
- issued
- 2012-07-22 09:23Z
- status
- Archived notice
- authority
- HAIPHONG 181229Z JUL 12 - AUSCOAST 195/12 CX 220625Z JUL 12.
- issued by
- HAIPHONG
- sea
- South China Sea
- position
- 15.594, 109.482
- vessel
- M/V VIKING VISION · 29 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
SOUTH CHINA SEA. VIETNAM. 1. SEISMIC SURVEY 25 JUL THRU 15 NOV BY M/V VIKING VISION IN AREA BOUND BY 15-16-02.2N 109-39-20.2E, 15-12-33.0N 109-28-06.1E, 15-51-06.2N 109-15-23.3E, 15-56-12.1N 109-31-53.7E, 15-29-10.7N 109-40-45.2E, 15-27-34.9N 109-35-32.6E. SIX MILE BERTH REQUESTED. 2. CANCEL HYDROPAC 2079/12(74), STATION RESTORED. 3. CANCEL THIS MSG 16 NOV 12.
Reading this warning
- Seismic survey
- A survey that maps the rock beneath the seabed with sound pulses from air guns, recorded on streamers kilometres long.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROPAC
- The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf 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 · cable & pipeline work
35 within 180 nm since 2000 · 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.
- Cable operations in progress until 31 dec 19 by cableship responders along trackline joining 13-44.90N…2019-11-28
- Seismic survey 260001Z jul to 101200Z aug by M/V phu my 06 towing two mile long cable in area bound by…2016-07-25
- Seismic survey in progress until 20 sep by vessel towing ten 6000 meter long cables in area bound by 18-22N…2015-08-24
- Seismic survey in progress until 30 aug by vessel towing six 6000 meter long cables in area bound by 17-46N…2015-07-28
- Seismic survey in progress until 21 apr by M/V cgg amadeus towing eight 6000 meter long cables in area bound…2015-04-15
- Seismic survey 16 mar thru 16 apr by M/V cgg amadeus towing eight 6000 meter long cables in area bound by…2015-03-15
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
23 cable & pipeline work listed in force · see all
Record snapshot 2026-10-04 04:30Z; source collection times vary.
Cable ops
Cable laying, pipeline and seismic operations. All current cable & pipeline work →
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.