Other

Underwater ordnance detonations 180001Z to 212359Z may in area bound by 66-30N 031-20W, 66-00N 028-40W,…

HYDROLANT 1005/99

issued
1999-05-18 00:08Z
status
cancelled 1999-05-22 01:00Z (archive)
self-cancels
1999-05-22 01:00Z
authority
CTG 84.1 141530Z MAY 99
sea
North Atlantic Ocean
position
64.493, -30.790
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER ORDNANCE DETONATIONS 180001Z TO 212359Z MAY 
    IN AREA BOUND BY
    66-30N 031-20W,
    66-00N 028-40W,
    65-00N 028-45W,
    63-30N 027-00W,
    62-20N 028-00W,
    64-30N 035-40W.
2. CANCEL THIS MSG 220100Z MAY.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
1999-05-18 00:01Z1999-05-21 23:59Z95 h 58

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

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

99
00
03

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.