Exercises

Hazardous operations 081343Z to 081830Z apr in areas bound by: a. 28-39N 080-39W, 28-42N 080-26W, 28-31N…

HYDROLANT 720/03

issued: 2003-04-07 08:20Z
status: cancelled 2003-04-08 19:30Z (archive)
self-cancels: 2003-04-08 19:30Z
cancels: HYDROLANT 680/03
authority: CCAFS ALTRV#5923 061908Z APR 03
sea: North Atlantic Ocean
position: 27.833, -73.365
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 081343Z TO 081830Z APR IN AREAS BOUND BY:
   A. 28-39N 080-39W, 28-42N 080-26W,
      28-31N 079-10W, 28-26N 079-10W,
      28-25N 080-27W, 28-29N 080-40W.
   B. 28-49N 078-08W, 28-12N 071-21W,
      27-34N 070-04W, 27-06N 070-19W,
      28-06N 078-14W.
   C. 26-27N 062-04W, 25-42N 058-28W,
      24-49N 058-42W, 25-41N 062-17W.
   D. 21-40N 043-10W, 13-48N 026-02W,
      12-31N 026-54W, 20-13N 043-50W,
      21-40N 043-10W.
2. CANCEL HYDROLANT 680/03.
3. CANCEL THIS MSG 081930Z APR.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2003-04-08 13:43Z	2003-04-08 18:30Z	—	4 h 47

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

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

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Hazardous operations 061351Z to 061838Z apr, alternate 071347Z to 071834Z apr in areas bound by: a. 28-39N…cancels · 2003-04-01
Hazardous operations 061351Z to 061838Z apr, alternate 071347Z to 071834Z apr in areas bound by: a. 28-39N…replaced · 2003-04-01

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.