Exercises

Hazardous operations 300130Z to 300500Z sep and 0100Z to 0430Z daily 01 thru 07 oct in area between 10-35S…

HYDROPAC 1557/01

issued: 2001-09-27 17:33Z
status: cancelled 2001-09-30 21:40Z (archive)
self-cancels: 2001-10-07 05:30Z
cancels: HYDROPAC 1531/01
authority: NASA WALLOPS FLIGHT FACILITY "KODIAK STAR" NRO-3149 FAX 271250Q SEP 01
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 300130Z TO 300500Z SEP AND
   0100Z TO 0430Z DAILY 01 THRU 07 OCT IN AREA
   BETWEEN 10-35S 10-00S AND 109-30W 111-30W.
2. CANCEL HYDROPAC 1531/01.
3. CANCEL THIS MSG 070530Z OCT.

Activity windows · 8 in this warning

opens (UTC)	closes (UTC)	local	length
2001-09-30 01:30Z	2001-09-30 05:00Z	—	3 h 30
2001-10-01 01:00Z	2001-10-01 04:30Z	—	3 h 30
2001-10-02 01:00Z	2001-10-02 04:30Z	—	3 h 30
2001-10-03 01:00Z	2001-10-03 04:30Z	—	3 h 30
2001-10-04 01:00Z	2001-10-04 04:30Z	—	3 h 30
2001-10-05 01:00Z	2001-10-05 04:30Z	—	3 h 30
2001-10-06 01:00Z	2001-10-06 04:30Z	—	3 h 30
2001-10-07 01:00Z	2001-10-07 04:30Z	—	3 h 30

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

Timeline

Hazardous operations 0130Z to 0500Z daily 25 thru 30 sep in area between 10-35S 10-00S and 109-30W 111-30Wcancels · 2001-09-23
Hazardous operations 0130Z to 0500Z daily 25 thru 30 sep in area between 10-35S 10-00S and 109-30W 111-30Wreplaced · 2001-09-23
Cancel HYDROPAC 1557/01 and this msg, operations completedcancelled by · 2001-09-30

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.