Nav aids

Four yellow buoys with flashing yellow light every 5 seconds established near 29-27.00S 114-52.18E.

Indian Ocean · HYDROPAC 2330/26

What this record establishes

Cancelled notice · 2026-09-11 16:15Z

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 2026-08-14 01:03Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-09-18 07:02Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered: Indian Ocean. The parsed report position is -29.450, 114.870. 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 Indian Ocean →

issued: 2026-08-14 01:03Z
status: Cancelled notice
sea: Indian Ocean
position: -29.450, 114.870
nearest port: Geraldton · 43 nm
source: NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-08-17 13:41Z

Original warning text

EASTERN INDIAN OCEAN.
AUSTRALIA.
FOUR BUOYS, YELLOW, FL Y 5 SEC, ESTABLISHED
IN VICINITY 29-27.00S 114-52.18E.

Reading this warning

Light characteristic: The coded description of a light — FL W 10 SEC 8 METERS 8 MILES — giving its rhythm, colour, period, height and range.
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.

All warning terms →

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

93 within 180 nm since 1998 · 4 in the last 12 months · 1 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.

4 X yellow surface buoys, fl y 5 sec, established within 0.3NM of 29-27.00S 114-52.18E2026-08-14
Platform cliff head 29-26.99S 114-52.18E unlit2026-07-24
Cliff head platform light Q1754-8 in position 29-26.99S 114-52.18E unlit2026-07-24
Pelsaert island light 28-59.13S 113-57.74E unlit2024-04-27
Pelsaert island light 28-59.11S 113-57.74E unlit2024-04-09
Pelsaert island light 28-59.13S 113-57.74E unlit2024-03-12

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

4 X yellow surface buoys, fl y 5 sec, established within 0.3NM of 29-27.00S 114-52.18ENav aids · 0 nm

Worldwide in the collected sources

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

Record snapshot 2026-09-30 02:30Z; 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.