A semi-submerged mooring light buoy with a flashing white light is at position 20-16.32S 116-16.58E.
Indian Ocean · AUSCOAST 130/26
What this record establishes
Cancelled notice · 2026-09-07 02:08Z
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
- Australian Maritime Safety Authority NAVAREA X + AUSCOAST (CC BY 4.0) · Australian Maritime Safety Authority — JRCC Australia (NAVAREA X coordinator). Issued 2026-04-04 06:04Z. First collected 2026-08-18 09:33Z; last seen in collection 2026-09-07 01:53Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Indian Ocean. The parsed report position is -20.272, 116.276. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
- issued
- 2026-04-04 06:04Z
- status
- Cancelled notice
- authority
- Australian Maritime Safety Authority — JRCC Australia (NAVAREA X coordinator)
- NAVAREA
- NAVAREA X
- issued by
- JRCC AUSTRALIA
- sea
- Indian Ocean
- position
- -20.272, 116.276
- nearest port
- Barrow Island · 53 nm
- source
- Australian Maritime Safety Authority NAVAREA X + AUSCOAST (CC BY 4.0) · first seen 2026-08-18 09:33Z
Original warning text
SEMI-SUBMERGED MOORING LIGHTBUOY FL.W IN POSITION 20-16.32S 116-16.58E
Reading this warning
- Semi-submerged
- Floating at or just below the surface, so hard to see by eye or radar.
- 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.
Collected reports in this area · other warnings
31 within 180 nm since 2000 · 2 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.
- Mooring buoy, fl w, in vicinity 20-16.32S 116-16.58E semi-sumerged2026-04-04
- 20 meter long wellhead frame, partially submerged and adrift in 20-54.58S 114-54.45E at 310450Z aug2020-08-31
- 20 meter long wellhead frame, partially submerged and adrift in 20-54.58S 114-54.45E at 260850Z aug2020-08-26
- 40 meter long hose adrift in vicinity 20-01.23S 115-55.53E at 100645Z aug2019-08-10
- Large navigation mark, red, adrift in 18-34.7S 117-20.2E at 162100UTC apr2019-05-16
- Port hedland C1 light 19-59.5S 118-26.2E at reduced intensity2019-03-30
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 · 33.3 nm
- Special purpose vessel ve constructor / H9YT / 373335000 conducting underwater operations in an area bounded…Surveys · 63.8 nm
- Underwater operations in progress until further notice by vessel ve constructor in area bound by 19-12.00S…Surveys · 63.8 nm
- Special purpose vessel nexans aurora / LALC8 / 257682000 conducting cable laying operations from 19 52.44S…Cable ops · 71.5 nm
- Drill rig jansz FCS/995031119 in position 19-52.73S 114-36.50E 2.5 nm clearance requestedSurveys · 97 nm
Worldwide in the collected sources
20 other warnings listed in force · see all
Record snapshot 2026-09-24 16:35Z; 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.