India conducts survey operations in the Eastern Indian Ocean from 1 to 15 October, requesting vessels keep a wide berth.
Laccadive Sea · HYDROPAC 2835/26
What this record establishes
Cancelled notice · 2026-09-30 15:00Z
This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.
- Source and dates
- NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-09-30 10:59Z. First collected 2026-09-30 16:02Z; last seen in collection 2026-10-01 01:32Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Laccadive 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 Laccadive Sea →
- issued
- 2026-09-30 10:59Z
- status
- Cancelled notice
- self-cancels
- 2026-10-16 00:01Z
- sea
- Laccadive Sea
- position
- 7.430, 76.870
- source
- NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-09-30 16:02Z
Original warning text
EASTERN INDIAN OCEAN. INDIA. 1. SURVEY OPERATIONS 01 THRU 15 OCT IN AREA BOUND BY 07-33.95N 076-32.50E, 07-33.95N 076-47.20E, 07-59.95N 076-47.00E, 07-59.95N 076-58.55E, 07-31.00N 077-14.40E, 07-31.00N 076-58.55E, 07-02.00N 077-14.40E, 07-02.00N 076-32.50E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 160001Z OCT 26.
Reading this warning
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- 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
54 within 180 nm since 2006 · 4 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 16 jan thru 10 feb by M/V coastal triumph in area bound by 07-55.50N 077-38.00E, 08-04.50N…2026-01-13
- Survey operations in progress until 07 dec in area bound by 08-26.35N 078-26.80E, 08-26.35N 078-23.00E,…2025-12-04
- Survey operations 03 dec thru 15 jan 26 by by M/V coastal triumph in area bound by 08-04.50N 077-43.00E,…2025-12-02
- Survey operations 16 thru 30 jun by M/V kalimman thunai in area bound by 09-21.24N 078-59.38E, 09-19.53N…2025-06-13
- Survey operations in progress until 15 mar by M/V kohinoor 1 in area bound by 07-53.47N 077-36.05E,…2025-01-24
- Survey operations 15 jan thru 10 feb 25 in area bound by 08-52.70N 078-07.00E, 08-52.70N 078-28.20E,…2025-01-14
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
55 survey operations listed in force · see all
Record snapshot 2026-10-01 01:44Z; 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.