Exercises

Hazardous operations 261915Z to 270035Z apr in areas bound by: a. 29-08N 076-29W, 28-32N 076-29W, 28-32N…

HYDROLANT 812/99

issued: 1999-04-24 19:16Z
status: cancelled 1999-04-27 00:00Z (archive)
self-cancels: 1999-04-27 01:35Z
sea: North Atlantic Ocean
position: 10.987, -37.787
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 261915Z TO 270035Z APR IN AREAS BOUND BY:
   A. 29-08N 076-29W, 28-32N 076-29W, 28-32N 075-44W, 29-08N 075-45W.
   B. 28-24N 073-12W, 27-54N 073-21W, 27-25N 071-20W, 27-56N 071-13W.
   C. 27-01N 068-08W, 25-41N 068-08W, 25-41N 065-42W, 27-01N 065-42W.
   D. 16-52N 044-14W, 14-36N 044-14W, 14-36N 039-16W, 16-52N 039-16W.
   F. 07-13S 004-37W, 08-08S 005-18W, 13-39S 002-38E, 12-48S 003-13E.
2. CANCEL THIS MSG 270135Z APR.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
1999-04-26 19:15Z	1999-04-27 00:35Z	—	5 h 20

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

2 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

Hazardous operations 261915Z to 270035Z apr in areas bound by: a. 29-08N 076-29W, 28-32N 076-29W, 28-32N…1999-04-24

Season · when military exercises happen here

month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force 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.