Nav aids

Mahatao light at position 20-24.10 North 121-57.60 East in Luzon Strait, Philippines is unlit.

South China Sea · HYDROPAC 126/24

What this record establishes

Cancelled notice · 2026-08-14 18:10Z

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 broadcast-warn JSON (archive, frozen 2024-05) · NAVAREA XI 8/24 111601Z JAN 24.. Issued 2024-01-11 16:11Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-08-17 15:50Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered: South China Sea. The parsed report position is 20.402, 121.960. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the South China Sea →

issued: 2024-01-11 16:11Z
status: Cancelled notice
authority: NAVAREA XI 8/24 111601Z JAN 24.
NAVAREA: NAVAREA XI · named as the source of this relay
sea: South China Sea
position: 20.402, 121.960
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:41Z

Original warning text

LUZON STRAIT.
PHILIPPINES.
DNC 23.
MAHATAO LIGHT 20-24.10N 121-57.60E 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.

All warning terms →

Collected reports in this area · aids-to-navigation notices

3 within 180 nm since 2001 · 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.

Amianan island light 21-07N 121-57E unlit2001-06-18
Buoy, yellow, fl w, ra ref, established in 22-47.0N 123-15.8E until 12 jun2001-06-05

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

137 aids-to-navigation notices listed in force · see all

Record snapshot 2026-10-02 02:24Z; 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.