Exercises

Hazardous operations 172300Z to 181100Z aug, alternate 2300Z to 1100Z commencing daily 18 thru 20 aug in…

HYDROPAC 1450/09

issued: 2009-08-14 13:59Z
status: cancelled 2009-08-19 14:51Z (archive)
self-cancels: 2009-08-21 12:00Z
authority: XV 87/09 140210Z AUG 09.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 172300Z TO 181100Z AUG,
   ALTERNATE 2300Z TO 1100Z COMMENCING DAILY
   18 THRU 20 AUG IN AREA BETWEEN
   36-29S 36-45S AND 073-51W 073-26W.
2. CANCEL THIS MSG 211200Z AUG.

Activity windows · 4 in this warning

opens (UTC)	closes (UTC)	local	length
2009-08-17 23:00Z	2009-08-18 11:00Z	—	12 h
2009-08-18 23:00Z	2009-08-19 11:00Z	—	12 h
2009-08-19 23:00Z	2009-08-20 11:00Z	—	12 h
2009-08-20 23:00Z	2009-08-21 11:00Z	—	12 h

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

Timeline

Survey operations in progress until 31 oct by M/V akademik nemchinov towing four 6000 meter long cables in…cancelled by · 2009-08-19

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

35 military exercises in force · see all

Exercises

Gunnery, firing and naval exercise areas. All current military exercises →

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.