Exercises

Hazardous operations

Eastern South Pacific · Chile · HYDROPAC 2743/16

What this record establishes

Archived notice · 2016-09-17 22:00Z

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) · NAVAREA XV 184/16 100210Z SEP 16 - AUSCOAST 255/16 CX 100732Z SEP 16 - AUSCOAST 257/16 CX 100435Z SEP 16.. Issued 2016-09-10 09:20Z. 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
Eastern South Pacific · Chile. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2016-09-15 11:00Z2016-09-15 21:00Z—10 h
2016-09-16 11:00Z2016-09-16 21:00Z—10 h
2016-09-17 11:00Z2016-09-17 21:00Z—10 h

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

issued
2016-09-10 09:20Z
status
Archived notice
self-cancels
2016-09-17 22:00Z
authority
NAVAREA XV 184/16 100210Z SEP 16 - AUSCOAST 255/16 CX 100732Z SEP 16 - AUSCOAST 257/16 CX 100435Z SEP 16.
NAVAREA
NAVAREA XV · 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

EASTERN SOUTH PACIFIC.
CHILE.
HAZARDOUS OPERATIONS.
DNC 07.
1. HAZARDOUS OPERATIONS 1100Z TO 2100Z
   DAILY 15 THRU 17 SEP IN AREA BETWEEN
   36-15S 36-25S AND 073-10W 073-22W.
2. CANCEL HYDROPAC 2717/16(74),
   OPERATIONS COMPLETED.
3. CANCEL HYDROPAC 2741/16(74),
   STATION RESTORED.
4. CANCEL THIS MSG 172200Z SEP 16.

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.
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.
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.
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.

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 00:04Z; 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.