Other

Underwater ordnance detonations 200800Z to 211200Z dec within 75 miles of 68-25N 016-50W

HYDROLANT 3183/01

issued
2001-12-15 12:10Z
status
cancelled 2001-12-21 13:00Z (archive)
self-cancels
2001-12-21 13:00Z
cancels
HYDROLANT 3178/01
authority
CTG 84.1 141540Z DEC 01; MARIDIPART LA SPEZIA 476/01 150950Z DEC 01
sea
Greenland Sea
position
68.417, -16.833 · r 75.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER ORDNANCE DETONATIONS 200800Z TO 211200Z DEC
   WITHIN 75 MILES OF 68-25N 016-50W.
2. CANCEL HYDROLANT 3178/01(53), AID RESTORED.
3. CANCEL THIS MSG 211300Z DEC.

Activity windows · 1 in the telegram

opens (UTC)closes (UTC)local (UTC)length
2001-12-20 08:00Z2001-12-21 12:00ZDec 20, 08:00Dec 21, 12:0028 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

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

99
00
05
10
15
19

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

Timeline

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.