Exercises

Hazardous operations 2000Z to 0408Z commencing daily 28 feb thru 01 apr in areas: a. within 12 miles of…

Arctic Ocean · HYDROLANT 434/02

What this record establishes

Archived notice · 2002-02-25 13:20Z

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) · COMAR GUYANE 5/02 181415Z FEB 02. Issued 2002-02-23 05:50Z. 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
Arctic Ocean. The parsed report position is 81.870, -101.010. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Related notices and cancellation links

Current notices and reporting history in the Arctic Ocean →

Activity windows · 33 in this warning

opens (UTC)closes (UTC)locallength
2002-02-28 20:00Z2002-03-01 04:08Z—8 h 08
2002-03-01 20:00Z2002-03-02 04:08Z—8 h 08
2002-03-02 20:00Z2002-03-03 04:08Z—8 h 08
2002-03-03 20:00Z2002-03-04 04:08Z—8 h 08
2002-03-04 20:00Z2002-03-05 04:08Z—8 h 08
2002-03-05 20:00Z2002-03-06 04:08Z—8 h 08
2002-03-06 20:00Z2002-03-07 04:08Z—8 h 08
2002-03-07 20:00Z2002-03-08 04:08Z—8 h 08
… 25 more

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

issued
2002-02-23 05:50Z
status
Archived notice
self-cancels
2002-04-02 05:08Z
authority
COMAR GUYANE 5/02 181415Z FEB 02
issued by
COMAR GUYANE
sea
Arctic Ocean
position
81.870, -101.010
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 2000Z TO 0408Z COMMENCING DAILY
   28 FEB THRU 01 APR IN AREAS:
   A. WITHIN 12 MILES OF COASTLINE BETWEEN
      05-19N 052-47W AND 05-04N 052-30W.
   B. BOUND BY 10-39N 052-09W, 10-33N 051-37W,
      09-40N 051-46W, 09-47N 052-18W.
   C. BOUND BY 11-51N 052-22W, 11-44N 051-29W,
      10-54N 051-36W, 11-00N 052-28W.
   D. BOUND BY 85-47N 105-04W, 83-57N 087-37W,
      83-30N 097-29W, 84-58N 118-54W.
2. CANCEL THIS MSG 020508Z APR.

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.
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.
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 →

Collected reports in this area · military exercises

4 within 180 nm since 2002 · 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

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

9 military exercises listed in force · see all

Record snapshot 2026-10-03 23:17Z; 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.