Other

Underwater ordnance detonations 030800Z to 032359Z and 040800Z to 042359Z jan in area bound by 62-46N…

HYDROLANT 4271/00

issued: 2000-12-29 18:42Z
status: cancelled 2001-01-05 00:59Z (archive)
self-cancels: 2001-01-05 00:59Z
cancels: HYDROLANT 4234/00
authority: CTG 84.1 280815Z DEC 00; WZ 2483/00 291503Z DEC 00
sea: North Atlantic Ocean
position: 62.766, -31.740
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER ORDNANCE DETONATIONS 030800Z TO 032359Z AND
   040800Z TO 042359Z JAN IN AREA BOUND BY 62-46N 036-18W,
   64-30N 033-10W, 62-50N 027-23W, 61-00N 030-00W.
2. CANCEL HYDROLANT 4234/00(35,36), OPERATIONS COMPLETED.
3. CANCEL THIS MSG 050059Z JAN 2001.

Activity windows · 2 in this warning

opens (UTC)	closes (UTC)	local	length
2001-01-03 08:00Z	2001-01-03 23:59Z	—	15 h 59
2001-01-04 08:00Z	2001-01-04 23:59Z	—	15 h 59

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

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

Season · when other warnings happen here

month of issue, all years in the archive

Timeline

Underwater operations in progress until further notice by cableship sovereign within one mile of 54-58.5N…cancels · 2000-12-25
Underwater operations in progress until further notice by cableship sovereign within one mile of 54-58.5N…replaced · 2000-12-25

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.