Survey operations 26 feb thru 06 mar by M/V eagle explorer towing 10000 meter long cable in area bound by…
Andaman or Burma Sea · HYDROPAC 640/23
What this record establishes
Archived notice · 2023-03-07 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) · NAVAREA VIII 183/23 242205Z FEB 23.. Issued 2023-02-24 23:22Z. 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
- Andaman or Burma 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.
Current notices and reporting history in the Andaman or Burma Sea →
- issued
- 2023-02-24 23:22Z
- status
- Archived notice
- self-cancels
- 2023-03-07 00:01Z
- authority
- NAVAREA VIII 183/23 242205Z FEB 23.
- NAVAREA
- NAVAREA VIII · named as the source of this relay
- sea
- Andaman or Burma Sea
- position
- 8.159, 93.236
- vessel
- M/V EAGLE EXPLORER · 18 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ANDAMAN SEA. BAY OF BENGAL. NORTHERN INDIAN OCEAN. INDIA. DNC 03. 1. SURVEY OPERATIONS 26 FEB THRU 06 MAR BY M/V EAGLE EXPLORER TOWING 10000 METER LONG CABLE IN AREA BOUND BY 08-05.60N 090-24.17E, 08-05.60N 091-03.71E, 06-14.56N 091-03.71E, 06-14.56N 091-55.09E, 10-37.40N 091-55.09E, 10-37.40N 093-35.80E, 13-05.35N 093-35.80E, 13-05.35N 095-19.15E, 12-32.87N 094-59.19E, 12-32.87N 095-41.26E, 12-10.82N 095-41.26E, 12-10.82N 094-59.19E, 09-44.97N 094-59.19E, 09-30.22N 095-18.17E, 07-14.40N 095-18.17E, 05-48.10N 094-16.54E, 04-52.82N 093-23.77E, 04-01.06N 092-41.94E, 04-01.06N 091-49.71E, 04-20.51N 091-21.87E, 05-14.31N 090-48.72E, 06-01.45N 090-24.17E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 070001Z MAR 23.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- 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.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
Collected reports in this area · survey operations
44 within 180 nm since 2000 · 3 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.
- Survey operations 01 thru 14 oct by M/V albatross 37 in area bound by 08-05.54N 094-48.31E, 08-28.29N…2026-09-30
- Survey operations in progress until 30 sep by M/V albatross 37 in area bound by 06-22.13N 093-43.63E,…2026-09-11
- Survey operations 06 thru 14 sep by M/V albatross 37 in area bound by 06-22.13N 093-43.63E, 06-04.21N…2026-09-05
- Survey operations 05 thru 15 apr in area bound by 10-35.00N 092-48.00E, 10-42.00N 092-48.00E, 10-42.00N…2024-04-03
- Survey operations in progress until 311830Z mar in area bound by 06-51.00N 093-36.00E, 06-55.00N 093-36.00E,…2024-03-26
- Survey operations in progress until 28 may by M/V albatross 5 towing 250 meter long cable in area bound by…2023-05-23
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
56 survey operations listed in force · see all
Record snapshot 2026-10-01 22:22Z; source collection times vary.
Surveys
Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →
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.