Surveys

Underwater operations 2100Z to 0600Z commencing daily until further notice within one mile of 16-07.643S…

Coral Sea · HYDROPAC 3276/13

What this record establishes

Archived notice · 2015-07-06 06:25Z

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 257/13 230153Z OCT 13.. Issued 2013-10-23 01:50Z. 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
Coral Sea. The parsed report position is -16.127, 145.520 with a 1.0 nm radius. 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

Current notices and reporting history in the Coral Sea →

issued
2013-10-23 01:50Z
status
Archived notice
authority
AUSCOAST 257/13 230153Z OCT 13.
issued by
AUSCOAST
sea
Coral Sea
position
-16.127, 145.520 · r 1.0 nm
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

AUSTRALIA-NORTHEAST COAST.
UNDERWATER OPERATIONS 2100Z TO 0600Z COMMENCING
DAILY UNTIL FURTHER NOTICE WITHIN ONE MILE OF
16-07.643S 145-31.217E.

Reading this warning

Underwater operations
Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
Until further notice
The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
Within a radius of
A circular area — every position within a stated distance of a point.
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 · survey operations

3 within 180 nm since 2013 · 0 in the last 12 months · 0 listed in force now

13
15
20

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

J
F
M
A
M
J
J
A
S
O
N
D

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

50 survey operations listed in force · see all

Record snapshot 2026-09-25 00:02Z; source collection times vary.

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →

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.