Exercises

Hazardous operations

Western North Atlantic · NAVAREA IV 304/16

issued
2016-04-21 16:45Z
status
cancelled 2016-04-23 22:00Z (archive)
self-cancels
2016-04-23 22:00Z
authority
AVURNAV CAYENNE 9/16 211436Z APR 16.
sea
North Atlantic Ocean
position
8.888, -56.000
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH ATLANTIC.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS:
   A. 231000Z TO 231400Z APR
      WITHIN 20 MILES OF 08-00N 055-10W.
   B. 231600Z TO 232100Z APR
      WITHIN 20 MILES OF 08-52N 056-00W.
2. CANCEL THIS MSG 232200Z APR 16.

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
2016-04-23 10:00Z2016-04-23 14:00Z4 h
2016-04-23 16:00Z2016-04-23 21:00Z5 h

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

This area · military exercises

27 within 180 nm since 2016 · 0 in the last 12 months · 0 in force now

16
20
23

Season · when military exercises happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Worldwide now

35 military exercises in force · see all

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.