Exercises

Hazardous operations take place near 36-28.65S 174-09.63E in Tasman Sea, New Zealand, from 170500Z to 171000Z August.

Tasman Sea · HYDROPAC 2313/26

What this record establishes

Cancelled notice · 2026-08-21 15:40Z

This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.

Source and dates
NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-08-11 22:09Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-08-23 13:02Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
Tasman Sea. The parsed report position is -36.477, 174.161 with a 3.0 nm radius. 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 Tasman Sea →

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2026-08-17 05:00Z2026-08-17 10:00Z—5 h

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

issued
2026-08-11 22:09Z
status
Cancelled notice
self-cancels
2026-08-17 11:00Z
sea
Tasman Sea
position
-36.477, 174.161 · r 3.0 nm
nearest port
Auckland · 36 nm
source
NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-08-17 13:41Z

Original warning text

TASMAN SEA.
NEW ZEALAND.
1. HAZARDOUS OPERATIONS 170500Z TO 171000Z AUG
   IN AREA WITHIN THREE MILES OF
   36-28.65S 174-09.63E.
2. CANCEL THIS MSG 171100Z AUG 26.

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.
Within a radius of
A circular area — every position within a stated distance of a point.
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.
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 · military exercises

130 within 180 nm since 2003 · 5 in the last 12 months · 0 listed in force now

03
05
10
15
20
25
26

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

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

Worldwide in the collected sources

10 military exercises listed in force · see all

Record snapshot 2026-10-03 05:47Z; 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.