Exercises

Hazardous operations 201010Z to 201053Z jan, alternate 211006Z to 211049Z and 221002Z to 221045Z jan in area…

North Pacific · HYDROPAC 249/18

issued: 2018-01-19 01:46Z
status: cancelled 2018-01-22 11:45Z (archive)
self-cancels: 2018-01-22 11:45Z
cancels: HYDROPAC 186/18
authority: EASTERN RANGE 190059Z JAN 18.
position: 13.158, 0.473
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH PACIFIC.
DNC 12, DNC 13.
1. HAZARDOUS OPERATIONS 201010Z TO 201053Z JAN,
   ALTERNATE 211006Z TO 211049Z AND
   221002Z TO 221045Z JAN
   IN AREA BOUND BY
   13-53N 175-27E, 14-20N 174-34W,
   12-26N 174-33W, 11-59N 175-34E.
2. CANCEL HYDROPAC 186/18.
3. CANCEL THIS MSG 221145Z JAN 18.

Activity windows · 3 in this warning

opens (UTC)	closes (UTC)	local	length
2018-01-20 10:10Z	2018-01-20 10:53Z	—	43 min
2018-01-21 10:06Z	2018-01-21 10:49Z	—	43 min
2018-01-22 10:02Z	2018-01-22 10:45Z	—	43 min

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

This area · military exercises

2 within 180 nm since 2018 · 0 in the last 12 months · 0 in force now

Hazardous operations 191014Z to 191057Z jan, alternate 201010Z to 201053Z jan in area bound by 13-53N…2018-01-15

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Hazardous operations 191014Z to 191057Z jan, alternate 201010Z to 201053Z jan in area bound by 13-53N…cancels · 2018-01-15
Hazardous operations 191014Z to 191057Z jan, alternate 201010Z to 201053Z jan in area bound by 13-53N…replaced · 2018-01-15

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.