Lights unlit: sw reef light 18-30.4S 177-58.9E
South Atlantic Ocean · HYDROPAC 1548/05
What this record establishes
Archived notice · 2005-12-19 10:48Z
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 XIV 48/05 220714Z SEP 05.. Issued 2005-09-22 07:58Z. 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
- South Atlantic Ocean. The parsed report position is -17.928, -0.925. 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
- Welangilala light 16-45.2S 179-06.3W unlit and RACON inoperablecancelled by this notice
- Welangilala light 16-45S 179-06W unlit and RACON inoperablelater cancellation notice
Current notices and reporting history in the South Atlantic Ocean →
- issued
- 2005-09-22 07:58Z
- status
- Archived notice
- authority
- NAVAREA XIV 48/05 220714Z SEP 05.
- NAVAREA
- NAVAREA XIV · named as the source of this relay
- sea
- South Atlantic Ocean
- position
- -17.928, -0.925
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. CHART 83570 (2ND ED). LIGHTS UNLIT: SW REEF LIGHT 18-30.4S 177-58.9E. NAVO ISLAND LIGHT 18-07.0S 177-20.0E. 2. CHART 83590 (1ST ED). NGGELE LEVU LIGHT 16-05.4S 179-08.8W UNLIT. 3. CHART 83580 (2ND ED). TOTOYA ISLAND LIGHT 19-00.0S 179-52.0W UNLIT. 4. CANCEL HYDROPAC 928/05.
Reading this warning
- Chart reference
- The number of the nautical chart on which the reported position lies.
- Unlit / extinguished
- A light, buoy or structure that is not showing its charted light.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROPAC
- The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
Collected reports in this area · aids-to-navigation notices
3 within 180 nm since 2005 · 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.
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
134 aids-to-navigation notices listed in force · see all
Record snapshot 2026-10-02 22:51Z; 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.