Wrecks

Nga chart 74451 (2ND ed)

Indian Ocean · HYDROPAC 1930/10

What this record establishes

Archived notice · 2011-02-12 10:16Z

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 231/10 212011Z SEP 10.. Issued 2010-09-21 22:01Z. 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 -13.537, 125.832. 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: 2010-09-21 22:01Z
status: Archived notice
authority: AUSCOAST 231/10 212011Z SEP 10.
issued by: AUSCOAST
sea: Indian Ocean
position: -13.537, 125.832
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

AUSTRALIA-NORTH COAST.
NGA CHART 74451 (2ND ED).
EIGHT METER SHOAL REPORTED IN 13-32.22S 125-49.92E.

Reading this warning

Chart reference: The number of the nautical chart on which the reported position lies.
Shoal / reported depth: Water shallower than the chart shows — a newly found shoal, a reported depth, or less water than charted.
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 · wrecks & obstructions

6 within 180 nm since 2004 · 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.

Obstruction, 20 meters below surface, in 13-06.2S 123-17.5E2014-10-24
Australia-northwest Coast2012-12-19
Australia-northwest Coast2012-06-08
Nga chart 74455 (3RD ed)2007-09-10
Vessel sank in 12-24.5S 124-36.5E at 240420Z dec2004-12-24

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

Underwater operations in progress until further notice by M/V safe boreas in area bound by 12-54.90S…Surveys · 85.2 nm
Special purpose vessel safe boreas 565905000 supporting underwater operations in an area bounded by…Surveys · 85.2 nm
Special purpose vessel shark 1/T2DT6/572762220 conducting hydrographic survey in an area bounded by 11-30.00…Surveys · 97.7 nm

Worldwide in the collected sources

38 wrecks & obstructions listed in force · see all

Record snapshot 2026-10-01 09:19Z; source collection times vary.

Wrecks

Dangerous wrecks, shoals and submerged obstructions. All current wrecks & obstructions →

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.