Other

Mrcc noumea 22-17S 166-26E inmarsat-c unavailable 250100Z to 250700Z jul

Coral Sea · HYDROPAC 2703/18

What this record establishes

Archived notice · 2018-07-25 08:00Z

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) · MRCC NOUMEA 242148Z JUL 18.. Issued 2018-07-24 22:39Z. 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 -22.283, 166.433. 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 →

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2018-07-25 01:00Z	2018-07-25 07:00Z	—	6 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued: 2018-07-24 22:39Z
status: Archived notice
self-cancels: 2018-07-25 08:00Z
authority: MRCC NOUMEA 242148Z JUL 18.
issued by: MRCC NOUMEA
sea: Coral Sea
position: -22.283, 166.433
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH PACIFIC.
CORAL SEA.
NEW CALEDONIA.
DNC 06.
1. MRCC NOUMEA 22-17S 166-26E INMARSAT-C
   UNAVAILABLE 250100Z TO 250700Z JUL.
   FOR ASSISTANCE CONTACT MRCC NOUMEA,
   PHONE: 68 729 2332, 68 726 4772,
   FAX: 68 729 2303,
   E-MAIL: OPERATONS@MRCC.NC.
2. CANCEL THIS MSG 250800Z JUL 18.

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.
MRCC (Maritime Rescue Coordination Centre): A rescue coordination centre for maritime cases only, such as MRCC Fort-de-France or MRCC Vietnam.
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.
Inmarsat-C / SafetyNET: The satellite system that carries NAVAREA warnings to ships at sea, and the terminal number rescue centres give for reports.
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.
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

10 within 180 nm since 2018 · 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.

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

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

21 other warnings listed in force · see all

Record snapshot 2026-10-02 22:53Z; 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.