Seismic survey in progress until further notice by M/V bgp challenger towing 10000 meter long cable in area…
Mozambique Channel · HYDROPAC 487/13
What this record establishes
Archived notice · 2013-07-27 09:49Z
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 VII 77/13 181950Z FEB 13.. Issued 2013-02-18 20:10Z. 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
- Mozambique Channel. 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 Mozambique Channel →
- issued
- 2013-02-18 20:10Z
- status
- Archived notice
- authority
- NAVAREA VII 77/13 181950Z FEB 13.
- NAVAREA
- NAVAREA VII · named as the source of this relay
- sea
- Mozambique Channel
- position
- -19.542, 42.966
- vessel
- M/V BGP CHALLENGER · 82 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
MOZAMBIQUE CHANNEL. 1. SEISMIC SURVEY IN PROGRESS UNTIL FURTHER NOTICE BY M/V BGP CHALLENGER TOWING 10000 METER LONG CABLE IN AREA BOUND BY 16-10.9S 043-13.6E, 16-11.3S 044-17.8E, 16-41.2S 044-24.7E, 17-28.8S 043-55.9E, 17-21.2S 043-59.7E, 18-21.0S 043-29.8E, 21-00.9S 043-28.2E, 21-00.6S 042-57.8E, 22-02.2S 042-56.9E, 22-01.2S 041-44.6E, 20-19.7S 041-46.8E, 20-20.4S 042-28.5E, 18-37.9S 042-30.1E, 17-57.8S 043-18.2E, 16-58.2S 043-39.5E. WIDE BERTH REQUETED. 2. CANCEL HYDROPAC 301/13.
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.
- Until further notice
- The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
- 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.
- 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.
Collected reports in this area · cable & pipeline work
7 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.
- Seismic survey in progress until further notice by M/V ramform sterling towing 7000 meter long cable in area…2013-10-30
- Seismic survey in progress until 26 feb by M/V bgp challenger towing 10000 meter long cable in area bound by…2013-01-29
- Seismic survey in progress until 16 jun by M/V nordic explorer towing 6000 meter long cable in area bound by…2012-03-14
- Seismic survey in progress until 16 jun by M/V nordic explorer towing 6000 meter long cable in area bound by…2012-02-24
- Seismic survey in progress until further notice by M/V northern explorer towing 6000 meter long cable in…2012-02-20
- Cable laying operations in progress until further notice by cableship ile de batz along trackline joining…2010-03-14
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
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
24 cable & pipeline work listed in force · see all
Record snapshot 2026-10-02 00:53Z; 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.