Hazardous operations
Arabian Sea · HYDROPAC 1281/10
What this record establishes
Archived notice · 2010-06-22 08:30Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · NAVAREA VIII 366/10 171001Z JUN 10.. Issued 2010-06-20 07:26Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Arabian Sea. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Nga chart 96320 (4TH ed)cancelled by this notice
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2010-06-22 04:00Z | 2010-06-22 07:30Z | — | 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.
- issued
- 2010-06-20 07:26Z
- status
- Archived notice
- self-cancels
- 2010-06-22 08:30Z
- authority
- NAVAREA VIII 366/10 171001Z JUN 10.
- NAVAREA
- NAVAREA VIII · named as the source of this relay
- sea
- Arabian Sea
- position
- 18.904, 72.736
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
INDIA-WEST COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 220400Z TO 220730Z JUN
IN AREAS BOUND BY:
A. 18-54.65N 072-50.58E, 18-50.00N 072-54.50E,
18-54.50N 072-54.00E, 18-55.16N 072-50.83E.
B. 18-54.65N 072-50.58E, 18-50.00N 072-54.50E,
18-48.00N 072-52.00E, 18-54.08N 072-49.80E.
C. 18-48.00N 072-38.00E, 18-53.58N 072-48.75E,
19-00.00N 072-44.08E, 19-00.00N 072-38.00E.
2. CANCEL HYDROPAC 1218/10(96).
3. CANCEL THIS MSG 220830Z JUN.
Reading this warning
- Hazardous operations
- NGA's heading for activities that make an area dangerous — most often rocket launches, space debris and weapons firings, and some open-ended danger areas.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
- Area bound by
- Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROPAC
- The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · military exercises
271 within 180 nm since 2001 · 11 in the last 12 months · 0 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- Hazardous operations 290930Z to 300330Z sep in area bound by 16-44.00N 070-41.00E, 16-54.00N 070-41.00E,…2026-09-28
- Hazardous operations 0230Z to 1130Z daily 28 thru 30 sep in area bound by 20-26.00N 072-27.00E, 20-26.00N…2026-09-25
- Hazardous operations 250230Z to 251130Z sep in area bound by 20-26.00N 072-27.00E, 20-26.00N 072-40.00E,…2026-09-23
- Hazardous operations 090230Z to 091130Z sep in area bound by 20-26.00N 072-27.00E, 20-26.00N 072-40.00E,…2026-09-04
- Hazardous operations in progress until 070800Z sep in area bound by 18-09.47N 070-45.41E, 17-06.18N…2026-08-28
- Hazardous operations 240600Z to 300800Z aug in area bound by 17-59.14N 070-03.54E, 18-09.47N 070-45.41E,…2026-08-24
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
- Derelict M/V al jafzia aground in 19-11.50N 072-46.40EDerelicts · 17.4 nm
- 6.2 meter depths reported in vicinity: a. 18-17.72N 072-55.18EWrecks · 38.1 nm
Worldwide in the collected sources
9 military exercises listed in force · see all
Record snapshot 2026-10-03 21:51Z; source collection times vary.
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.