Surveys

Survey operations in progress until further notice by M/V sea ranger in area bound by 19-44.70S 149-30.90E,…

Coral Sea · HYDROPAC 2262/22

What this record establishes

Archived notice · 2022-09-16 09:30Z

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 171/22 180416Z AUG 22.. Issued 2022-08-18 05:00Z. 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 map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.

Related notices and cancellation links

Current notices and reporting history in the Coral Sea →

issued
2022-08-18 05:00Z
status
Archived notice
authority
AUSCOAST 171/22 180416Z AUG 22.
issued by
AUSCOAST
sea
Coral Sea
position
-20.504, 149.944
vessel
M/V SEA RANGER · 3 messages
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

CORAL SEA.
AUSTRALIA.
DNC 05.
SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER
NOTICE BY M/V SEA RANGER IN AREA BOUND BY
19-44.70S 149-30.90E, 21-15.80S 149-30.90E,
21-15.80S 150-22.40E, 19-44.70S 150-22.40E.
ONE MILE BERTH REQUESTED.

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.
Survey operations
A research or survey vessel is mapping the seabed or water column, often while towing equipment.
Until further notice
The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
Area bound by
Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
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.
Wide berth requested
Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.

All warning terms →

Collected reports in this area · survey operations

3 within 180 nm since 2017 · 0 in the last 12 months · 0 listed in force now

17
20
23

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

Worldwide in the collected sources

56 survey operations listed in force · see all

Record snapshot 2026-10-01 19:10Z; 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.