Mary anne reef light 21-15.70S 115-27.80E unlit
Indian Ocean · HYDROPAC 1519/23
What this record establishes
Archived notice · 2023-05-30 03:10Z
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) · AUSCOAST 123/23 080354Z MAY 23.. Issued 2023-05-08 04:47Z. 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 -21.262, 115.463. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Cancel HYDROPAC 1519/23 and this msg, aid restoredlater cancellation notice
- issued
- 2023-05-08 04:47Z
- status
- Archived notice
- authority
- AUSCOAST 123/23 080354Z MAY 23.
- issued by
- AUSCOAST
- sea
- Indian Ocean
- position
- -21.262, 115.463
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN INDIAN OCEAN. AUSTRALIA. DNC 04. MARY ANNE REEF LIGHT 21-15.70S 115-27.80E UNLIT.
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.
- 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.
- Unlit / extinguished
- A light, buoy or structure that is not showing its charted light.
Collected reports in this area · aids-to-navigation notices
206 within 180 nm since 1998 · 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.
- Port walcott C2 buoy light in position 20-25.89S 117-23.31E unreliable2026-09-28
- Point cloates light 22-42.57S 113-40.86E unlit2026-03-28
- Eight buoys, yellow, fl w 7 sec, four meters in height, established in area within one mile of 19-45.73S…2026-02-27
- Eight buoys, yellow, fl w 7 sec, four meters in height, established in area within one mile of 19-57.09S…2025-12-22
- North west cape light 21-48.40S 114-09.60E2024-11-11
- North west cape light 21-48.40S 114-09.60E unlit2023-05-16
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
- Special purpose vessel fugro kwilena / MLOV8 / 503147420 conducting underwater operations in an area bounded…Surveys · 50.2 nm
- Special purpose vessel nexans aurora / LALC8 / 257682000 conducting cable laying operations from 19 52.44S…Cable ops · 64.2 nm
- Drill rig jansz FCS/995031119 in position 19-52.73S 114-36.50E 2.5 nm clearance requestedSurveys · 95.9 nm
Worldwide in the collected sources
137 aids-to-navigation notices listed in force · see all
Record snapshot 2026-09-30 11:12Z; source collection times vary.
Nav aids
Lights extinguished, buoys off station, RACON/NAVTEX outages. All current aids-to-navigation notices →
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.