Exercises

Torpedo exercises 0815Z to 1145Z daily 23 thru 31 may in areas within ten miles of: a. 70-15N 014-45E

Norwegian Sea · HYDROARC 84/18

What this record establishes

Archived notice · 2018-05-31 12:45Z

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 XIX 51/18 210630Z MAY 18.. Issued 2018-05-21 07:38Z. 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
Norwegian Sea. The parsed report position is 69.500, 8.500. 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 Norwegian Sea →

Activity windows · 9 in this warning

opens (UTC)closes (UTC)locallength
2018-05-23 08:15Z2018-05-23 11:45Z—3 h 30
2018-05-24 08:15Z2018-05-24 11:45Z—3 h 30
2018-05-25 08:15Z2018-05-25 11:45Z—3 h 30
2018-05-26 08:15Z2018-05-26 11:45Z—3 h 30
2018-05-27 08:15Z2018-05-27 11:45Z—3 h 30
2018-05-28 08:15Z2018-05-28 11:45Z—3 h 30
2018-05-29 08:15Z2018-05-29 11:45Z—3 h 30
2018-05-30 08:15Z2018-05-30 11:45Z—3 h 30
… 1 more

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

issued
2018-05-21 07:38Z
status
Archived notice
self-cancels
2018-05-31 12:45Z
authority
NAVAREA XIX 51/18 210630Z MAY 18.
NAVAREA
NAVAREA XIX · named as the source of this relay
sea
Norwegian Sea
position
69.500, 8.500
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

NORWEGIAN SEA.
NORWAY.
DNC 20, DNC 22.
1. TORPEDO EXERCISES 0815Z TO 1145Z DAILY
   23 THRU 31 MAY IN AREAS WITHIN TEN MILES OF:
   A. 70-15N 014-45E.
   B. 68-45N 002-15E.
2. CANCEL THIS MSG 311245Z MAY 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.
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

52 within 180 nm since 2000 · 0 in the last 12 months · 0 listed in force now

00
05
10
15
20
23

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 18:43Z; 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.