Mines

Mining operations 031900Z to 032300Z feb and 1500Z to 0100Z commencing daily 05 and 06 feb in area bound by…

NAVAREA XII 28/99

issued
1999-01-29 02:25Z
status
cancelled 1999-02-07 00:00Z (archive)
self-cancels
1999-02-07 02:00Z
sea
North Pacific Ocean
position
31.966, -118.543
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. MINING OPERATIONS 031900Z TO 032300Z FEB AND 1500Z TO 0100Z
   COMMENCING DAILY 05 AND 06 FEB IN AREA BOUND BY
   32-50.7N 118-29.3W,
   32-47.6N 118-32.3W,
   32-55.0N 118-39.7W,
   32-55.0N 118-32.8W.
2. HAZARDOUS OPERATIONS 1500Z TO 0100Z COMMENCING DAILY
   05 AND 06 FEB IN AREA BOUND BY
   33-02.4N 118-43.6W,
   31-57.3N 119-57.9W,
   31-04.0N 118-45.0W,
   31-02.8N 117-30.3W,
   32-35.0N 117-39.9W,
   32-54.9N 118-15.0W.
3. CANCEL THIS MSG 070200Z FEB.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
1999-02-03 19:00Z1999-02-03 23:00Z—4 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 · mine warnings

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

99
00
05
10
15
20
21

Season · when mine warnings happen here

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

month of issue, all years in the archive

Nearby now · within 120 nm

Worldwide now

8 mine warnings in force · see all

Mines

Drifting or reported sea mines. Mostly the Black Sea since 2022. All current mine warnings →

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.