Seismic survey 20 mar thru 20 may by M/V voyager explorer in area bound by 11-58.0N 117-58.7E, 11-49.2N…
South China Sea · HYDROPAC 767/14
What this record establishes
Archived notice · 2014-05-07 09:10Z
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 XI 204/14 181136Z MAR 14.. Issued 2014-03-18 17:21Z. 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
Current notices and reporting history in the South China Sea →
- issued
- 2014-03-18 17:21Z
- status
- Archived notice
- authority
- NAVAREA XI 204/14 181136Z MAR 14.
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- South China Sea
- position
- 11.236, 118.245
- vessel
- M/V VOYAGER EXPLORER · 25 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
SOUTH CHINA SEA. PHILIPPINES. 1. SEISMIC SURVEY 20 MAR THRU 20 MAY BY M/V VOYAGER EXPLORER IN AREA BOUND BY 11-58.0N 117-58.7E, 11-49.2N 118-24.3E, 11-19.0N 118-42.9E, 10-36.5N 118-21.7E, 10-31.2N 118-08.7E, 10-29.5N 117-59.2E, 11-13.8N 117-55.5E. 2. CANCEL THIS MSG 21 MAY 14.
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.
- 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 2002 · 2 in the last 12 months · 1 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.
- Pipeline operations in progress until 08 oct by M/V fortitude in vicinity: a. 11-38.23N 118-56.36E2026-09-24
- Submarine pipeline works by M/V fortitude2026-09-24
- Pipeline operations in progress until further notice in vicinity of trackline joining 11-38.57N 118-54.38E…2024-03-18
- Pipeline repairing works2024-03-18
- Pipeline operations in progress until further notice by M/V skandi hawk in vicinity of trackline joining…2024-02-05
- Cable operations in progress until 27 apr by c/s cable retriever in vicinity of trackline joining 11-30.2N…2019-04-01
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
- Submarine pipeline works by M/V fortitudeCable ops · 45.2 nm
Worldwide in the collected sources
24 cable & pipeline work listed in force · see all
Record snapshot 2026-10-01 23:00Z; 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.