Exercises

Hazardous operations

South Pacific · HYDROPAC 2576/12

What this record establishes

Archived notice · 2012-09-13 09:31Z

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) · NAVAREA XIV 77/12 090500Z SEP 12 - NAVAREA VIII 427/12 090600Z SEP 12.. Issued 2012-09-09 07:50Z. 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
South Pacific. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.

Related notices and cancellation links

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
2012-09-14 05:15Z2012-09-14 06:15Z—1 h
2012-09-15 05:15Z2012-09-15 06:15Z—1 h

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

issued
2012-09-09 07:50Z
status
Archived notice
self-cancels
2012-09-15 07:15Z
authority
NAVAREA XIV 77/12 090500Z SEP 12 - NAVAREA VIII 427/12 090600Z SEP 12.
NAVAREA
NAVAREA XIV · named as the source of this relay
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

SOUTH PACIFIC.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS:
   A. 140515Z TO 140615Z SEP IN AREA BETWEEN
      47-00S 53-00S AND 110-00W 154-00W.
   B. 150515Z TO 150615Z SEP IN AREA BETWEEN
      47-00S 53-00S AND 116-00W 159-08W.
2. CANCEL HYDROPAC 2529/12(61,63).
3. CANCEL THIS MSG 150715Z SEP 12.

Reading this warning

Hazardous operations
NGA's heading for activities that make an area dangerous — most often rocket launches, space debris and weapons firings, and some open-ended danger areas.
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.
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.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROPAC
The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Nearby notices listed in force · within 120 nm

No parsed position is available for this comparison.

Worldwide in the collected sources

28 military exercises listed in force · see all

Record snapshot 2026-10-02 01:55Z; source collection times vary.

Exercises

Gunnery, firing and naval exercise areas. All current military exercises →

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.