Exercises

Hazardous operations 2300Z to 0200Z commencing daily 28 and 29 aug and 0400Z to 0700Z daily 29 and 30 aug in…

HYDROPAC 1636/08

issued: 2008-08-24 09:50Z
status: cancelled 2008-08-30 08:00Z (archive)
self-cancels: 2008-08-30 08:00Z
cancels: HYDROPAC 1634/08
authority: AUTHORTITY/NAVAREA XI 451/08 24 AUG 08; AUSSAR 6898/08 CX 240713Z AUG 08.
sea: Japan Sea
position: 42.347, 133.091
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 2300Z TO 0200Z COMMENCING DAILY
   28 AND 29 AUG AND 0400Z TO 0700Z DAILY 29 AND 30 AUG
   IN AREA BOUND BY
   41-53.3N 132-46.0E, 42-22.8N 131-14.0E,
   42-41.0N 131-18.2E, 42-49.2N 131-40.0E,
   42-48.0N 132-07.5E, 42-41.2N 132-22.0E,
   42-44.0N 132-55.0E, 42-40.0N 132-55.2E,
   42-43.5N 134-41.5E, 41-53.3N 134-34.2E.
2. CANCEL HYDROPAC 1634/08(73,74), VESSEL ASSISTED.
3. CANCEL THIS MSG 300800Z AUG.

This area · military exercises

236 within 180 nm since 1999 · 2 in the last 12 months · 2 in force now

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Five meter M/V, white hull with red stripe, one person on board, overdue yorke island (09-44S 143-25E) to…cancels · 2008-08-24
Five meter M/V, white hull with red stripe, one person on board, overdue yorke island (09-44S 143-25E) to…replaced · 2008-08-24

Nearby now · within 120 nm

Gunnery exercises 2200Z to 1000Z daily, 31 jul, 02 thru 14, 16 thru 21, 23 thru 28 and 30 aug, in area bound…Exercises · 50.4 nm
2200Z to 1000Z commencing daily 31 jul, 02 to 14, 16 to 21, 23 to 28 and 30 augExercises · 50.4 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.