Large tree adrift in vicinity 12-39.40S 122-29.23E at 150756Z may
Indian Ocean · HYDROPAC 1603/23
What this record establishes
Archived notice · 2023-05-18 08:59Z
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) · SEA SAFETY 23/23 150857Z MAY 23.. Issued 2023-05-15 09:01Z. 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
- Indian Ocean. The parsed report position is -12.657, 122.487. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
- issued
- 2023-05-15 09:01Z
- status
- Archived notice
- self-cancels
- 2023-05-18 08:59Z
- authority
- SEA SAFETY 23/23 150857Z MAY 23.
- issued by
- SEA SAFETY
- sea
- Indian Ocean
- position
- -12.657, 122.487
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN INDIAN OCEAN. DNC 04. 1. LARGE TREE ADRIFT IN VICINITY 12-39.40S 122-29.23E AT 150756Z MAY. 2. CANCEL THIS MSG 180859Z MAY 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.
- Adrift
- Loose and moving with wind and current — a vessel, container, buoy, log or anything else no longer secured.
- 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.
- 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.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · other warnings
18 within 180 nm since 1999 · 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.
- Ten meter bamboo with ten meter rope attached adrift in vicinity 13-04.00S 122-08.00E at 040513Z aug2022-08-04
- Numerous fads with ten meter long trailing rope adrift in area within ten miles of 12-35S 122-38E at 180700…2022-01-18
- Fishing net in vicinity 12-41.49S 123-25.42E at 130313Z oct2021-10-13
- Ten meter long tree adrift in vicinity 14-20.00S 121-47.03E at 280700Z jul2021-07-28
- 15 meter F/V, blue hull, anchored and requesting assistance in 11-40.35S 125-22.30E2021-07-20
- Wire rope adrift in 13-59.43S 119-57.00E at 260424Z may2019-05-26
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 other warnings listed in force · see all
Record snapshot 2026-10-02 07:17Z; source collection times vary.
Other
Everything the classifier did not place elsewhere. All current other warnings →
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.