Exercises

Hazardous operations 1856Z to 0126Z commencing daily 20 nov thru 20 dec in areas: a. within 12 miles of…

HYDROLANT 3854/00

issued
2000-11-15 19:09Z
status
cancelled 2000-11-22 06:40Z (archive)
self-cancels
2000-12-21 02:26Z
cancels
HYDROLANT 3739/00
authority
COMAR GUYANE CAYENNE 22/00 151513Z NOV 00; WZ 2187/00 151739Z NOV 00
sea
North Atlantic Ocean
position
3.272, -33.051
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 1856Z TO 0126Z COMMENCING DAILY
   20 NOV THRU 20 DEC IN AREAS:
   A. WITHIN 12 MILES OF COASTLINE BETWEEN
      05-19N 052-47W AND 05-04N 052-30W.
   B. BOUND BY 05-07N 049-40W, 05-00N 049-40W,
      05-07N 051-39W, 05-14N 051-39W.
   C. BOUND BY 04-39N 043-31W, 04-17N 043-33W,
      04-28N 045-35W, 04-50N 045-33W.
   D. BOUND BY 04-18N 040-25W, 04-00N 040-27W,
      04-16N 043-13W, 04-34N 043-12W.
   E. BOUND BY 02-06N 021-11W, 01-44N 021-13W,
      02-29N 027-23W, 02-51N 027-20W.
2. CANCEL HYDROLANT 3739/00(37), AID RESTORED.
3. CANCEL THIS MSG 210226Z DEC.

Activity windows · 31 in this warning

opens (UTC)closes (UTC)locallength
2000-11-20 18:56Z2000-11-21 01:26Z6 h 30
2000-11-21 18:56Z2000-11-22 01:26Z6 h 30
2000-11-22 18:56Z2000-11-23 01:26Z6 h 30
2000-11-23 18:56Z2000-11-24 01:26Z6 h 30
2000-11-24 18:56Z2000-11-25 01:26Z6 h 30
2000-11-25 18:56Z2000-11-26 01:26Z6 h 30
2000-11-26 18:56Z2000-11-27 01:26Z6 h 30
2000-11-27 18:56Z2000-11-28 01:26Z6 h 30
23 more

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

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

99
00
05
10
14

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

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.