Surveys

Underwater operations 110800Z to 120800Z sep in area between 64-30N 66-00N and 005-30W 008-30W

HYDROLANT 3133/00

issued: 2000-09-10 17:40Z
status: cancelled 2000-09-11 06:30Z (archive)
self-cancels: 2000-09-12 09:00Z
authority: NAVAREA ONE 398/00 101711Z SEP 00
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS 110800Z TO 120800Z SEP IN AREA
   BETWEEN 64-30N 66-00N AND 005-30W 008-30W.
2. CANCEL THIS MSG 120900Z SEP.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2000-09-11 08:00Z	2000-09-12 08:00Z	—	24 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

Timeline

Gunnery exercises 121000Z to 121300Z sep in area bound by 42-25N 006-15E, 42-25N 007-09E, 42-00N 007-09E,…cancelled by · 2000-09-11

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

86 survey operations in force · see all

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →

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.