Seismic survey 16 nov thru 30 dec by M/V geco emerald towing three mile long cable in area bound by 00-16S…
Makassar Strait · HYDROPAC 1971/03
What this record establishes
Archived notice · 2003-12-31 00:00Z
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 571/03 140805Z NOV 03. Issued 2003-11-14 21:54Z. 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
- Makassar Strait. 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 Makassar Strait →
- issued
- 2003-11-14 21:54Z
- status
- Archived notice
- authority
- NAVAREA XI 571/03 140805Z NOV 03
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- Makassar Strait
- position
- -0.756, 117.786
- vessel
- M/V GECO EMERALD · 66 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. SEISMIC SURVEY 16 NOV THRU 30 DEC BY M/V GECO EMERALD TOWING THREE MILE LONG CABLE IN AREA BOUND BY 00-16S 117-59E, 00-20S 118-06E, 01-14S 117-37E, 01-07S 117-29E. 2. CANCEL THIS MSG 31 DEC.
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.
- Towed array / streamer
- Equipment towed a long way behind a vessel — sonar, a hydrophone cable, a sampling sled — invisible at the surface.
- Tow / towing
- A vessel towing another vessel, a barge or a structure — slow, hard to manoeuvre, and with a long line between.
- 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
18 within 180 nm since 2003 · 1 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.
- Seismic survey works by S/V ramform sovereign towing twelve cables, each 10050 metre long2026-01-27
- Cable operations 17 aug until further notice by cableship ile de re in vicinity of trackline joining…2017-08-16
- Seismic survey in progress until 17 apr by M/V western monarch towing eight three mile long cables in area…2014-04-07
- Seismic survey in progress until 15 apr by M/V cgg amadeus towing eight 6000 meter long cables in area bound…2014-03-02
- Seismic survey in progress until 31 mar by M/V western monarch towing 12 four mile long cables in area bound…2014-01-23
- Seismic survey 190001Z may to 200001Z jun by M/V akademik fersman towing 9000 meter long cable in area bound…2012-05-14
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
Worldwide in the collected sources
23 cable & pipeline work listed in force · see all
Record snapshot 2026-10-02 18:19Z; 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.