Seismic survey in progress until 25 apr by M/V zephyr-i in area bound by 19-31.9N 091-30.1E, 19-31.8N…
Bay of Bengal · HYDROPAC 617/07
What this record establishes
Archived notice · 2007-04-16 10:39Z
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 VIII 217/07 031004Z APR 07.. Issued 2007-04-05 20:19Z. 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
- Bay of Bengal. 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 Bay of Bengal →
- issued
- 2007-04-05 20:19Z
- status
- Archived notice
- authority
- NAVAREA VIII 217/07 031004Z APR 07.
- NAVAREA
- NAVAREA VIII · named as the source of this relay
- sea
- Bay of Bengal
- position
- 19.805, 92.020
- vessel
- M/V ZEPHYR I · 13 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. SEISMIC SURVEY IN PROGRESS UNTIL 25 APR BY M/V ZEPHYR-I IN AREA BOUND BY 19-31.9N 091-30.1E, 19-31.8N 092-22.7E, 20-11.2N 092-22.4E, 20-10.7N 092-02.9E, 19-40.7N 091-29.9E. 2.5 MILE BERTH REQUESTED. 2. CANCEL THIS MSG 26 APR.
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.
- 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
34 within 180 nm since 2001 · 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.
- Pipeline operations 01 thru 28 feb by M/V pacific rapier in area bound by 19-34.60N 092-35.04E, 19-35.33N…2023-01-30
- Pipeline operations 24 nov thru 31 dec by M/V pacific rapier in area bound by 19-34.60N 092-35.04E,…2022-11-21
- Pipeline operations in progress until 30 jun 22 by M/V marco polo in vicinity of tracklines joining: a.…2021-11-26
- Pipeline operations in progress until 30 apr notice by M/V pacific rapier in area bound by 19-29.4N…2020-04-02
- Pipeline operations in progress until further notice by M/V pacific rapier in area bound by 19-29.4N…2020-04-02
- Pipeline operations in progress until 31 mar by M/V pacific rapier in area bound by 19-29.4N 093-18.8E,…2020-03-13
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 00:06Z; 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.