Exercises

Hazardous operations 1530Z to 1800Z and 2030Z to 2300Z daily 08 thru 10 dec in area bound by 28-15N 090-13W,…

NAVAREA IV 416/99

issued
1999-12-07 15:32Z
status
cancelled 1999-12-07 21:22Z (archive)
self-cancels
1999-12-10 23:59Z
cancels
NAVAREA IV 414/99
authority
CCGDEIGHT BNM 253/99 061538Z DEC 99 ZEL
sea
Gulf of Mexico
position
27.520, -90.572
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 1530Z TO 1800Z AND 2030Z TO 2300Z DAILY
   08 THRU 10 DEC IN AREA BOUND BY 28-15N 090-13W, 27-00N 090-13W,
   27-00N 091-05W, 27-20N 091-05W, 28-15N 090-30W.
2. CANCEL NAVAREA IV 414/99.
3. CANCEL THIS MSG 102359Z DEC.

Activity windows · 6 in this warning

opens (UTC)closes (UTC)locallength
1999-12-08 15:30Z1999-12-08 18:00Z2 h 30
1999-12-08 20:30Z1999-12-08 23:00Z2 h 30
1999-12-09 15:30Z1999-12-09 18:00Z2 h 30
1999-12-09 20:30Z1999-12-09 23:00Z2 h 30
1999-12-10 15:30Z1999-12-10 18:00Z2 h 30
1999-12-10 20:30Z1999-12-10 23:00Z2 h 30

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

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

99
00
05

Season · when military exercises happen here

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F
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A
M
J
J
A
S
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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.