Other

Reef vts station (19-30S 148-45E) unreliable until 030247Z oct

Coral Sea · HYDROPAC 3375/17

What this record establishes

Archived notice · 2017-10-03 03:47Z

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 178/17 030055Z OCT 17.. Issued 2017-10-03 01:35Z. 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 -19.500, 148.750. 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 Coral Sea →

issued
2017-10-03 01:35Z
status
Archived notice
self-cancels
2017-10-03 03:47Z
authority
AUSCOAST 178/17 030055Z OCT 17.
issued by
AUSCOAST
sea
Coral Sea
position
-19.500, 148.750
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

TORRES STRAIT.
AUSTRALIA-NORTHEAST COAST.
DNC 05.
1. REEF VTS STATION (19-30S 148-45E) UNRELIABLE UNTIL
   030247Z OCT. CONTACT REEF VTS VIA VHF,
   PHONE: 130 072 1293.
2. CANCEL THIS MSG 030347Z OCT 17.

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.
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.
Inoperative / unreliable / off air
An aid or radio service is not working as charted or published.
Date-time group (DTG)
A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
VHF / channel 16
Very high frequency marine radio; channel 16 is the international distress, safety and calling channel.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Collected reports in this area · other warnings

22 within 180 nm since 2001 · 0 in the last 12 months · 0 listed in force now

01
05
10
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

Worldwide in the collected sources

23 other warnings listed in force · see all

Record snapshot 2026-10-02 04:34Z; 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.