Other

Hydrographic operations 120001Z sep to 120001Z oct in area bound by 59-00N 166-30W, 55-00N 158-00W, 60-00N…

NAVAREA XII 312/99

issued
1999-09-10 03:50Z
status
cancelled 1999-10-12 01:01Z (archive)
self-cancels
1999-10-12 01:01Z
authority
CTF TWELVE 100301Z SEP 99
position
51.514, -67.226
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROGRAPHIC OPERATIONS 120001Z SEP TO 120001Z OCT
   IN AREA BOUND BY 59-00N 166-30W, 55-00N 158-00W,
   60-00N 145-00W, 55-00N 135-00W, 52-00N 135-00W,
   48-00N 147-00W, 48-00N 158-00W, 30-00N 165-00W,
   30-00N 180-00, 47-00N 174-00W, 50-00N 179-00W,
   53-00N 172-00E, 56-00N 177-00W.
2. CANCEL THIS MSG 120101Z OCT.

Activity windows · 1 in the telegram

opens (UTC)closes (UTC)local (UTC)length
1999-09-12 00:01Z1999-10-12 00:01ZSep 12, 00:01Oct 12, 00:01720 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 · other warnings

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

99
00
05
10
15
20
23

Season · when other 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

Nothing else in force within 120 nm.

Worldwide now

34 other warnings in force · see all

Other

Everything the classifier did not place elsewhere. All current other 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.