Gunnery exercises 310600Z to 310800Z mar in area bound by 29-35N 048-57E, 29-28N 048-49E, 29-25N 048-52E,…
Persian Gulf · HYDROPAC 987/11
What this record establishes
Archived notice · 2011-03-31 09:00Z
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) · USS HIGGINS 280801Z MAR 11.. Issued 2011-03-29 09:44Z. 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
- Persian Gulf. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-03-31 06:00Z | 2011-03-31 08:00Z | — | 2 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2011-03-29 09:44Z
- status
- Archived notice
- self-cancels
- 2011-03-31 09:00Z
- authority
- USS HIGGINS 280801Z MAR 11.
- issued by
- USS HIGGINS
- sea
- Persian Gulf
- position
- 29.215, 48.927
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
PERSIAN GULF. GUNNERY. 1. GUNNERY EXERCISES 310600Z TO 310800Z MAR IN AREA BOUND BY 29-35N 048-57E, 29-28N 048-49E, 29-25N 048-52E, 28-32N 048-59E. 2. CANCEL THIS MSG 310900Z MAR.
Reading this warning
- Gunnery and live firing
- Naval or coastal guns firing into a sea area for practice, at stated times.
- 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.
- 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
57 within 180 nm since 2002 · 0 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 0500Z to 1500Z daily 17 thru 19 jun in area bound by 27-21.00N 049-56.00E, 27-27.50N…2025-06-16
- Hazardous operations 0630Z to 1500Z daily 08 and 09 sep in area bound by 27-51.00N 049-52.00E, 27-50.00N…2023-09-06
- Hazardous operations 04 thru 15 jun in area bound by 27-50.00N 049-36.00E, 27-26.00N 049-51.00E, 27-27.00N…2023-06-01
- Hazardous operations 07 and 08 mar in area bound by 27-50.00N 049-36.00E, 27-26.00N 049-51.00E, 27-27.00N…2023-03-04
- Hazardous operations 0400Z to 1500Z daily 25 and 26 jul in area bound by 28-55.00N 048-37.60E, 28-49.10N…2022-07-24
- Hazardous operations 04 and 05 apr in area bound by 29-32.0N 048-20.4E, 29-42.5N 048-32.5E, 29-34.8N…2021-04-03
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
- Navigation prohibited until further notice in area within 600 meters of 29-13.10N 048-44.42ERestricted · 9.8 nm
- Barge dream 1 sank in 29-14.06N 048-41.22EWrecks · 12.6 nm
- Dangerous wreck marked by buoy in 29-05.49N 048-22.09EWrecks · 30.2 nm
- Navigation prohibited until further notice in area within 600 meters of 28-52.49N 048-21.63ERestricted · 36.1 nm
- Met tower 28-46.0N 048-26.1E temporarily replaced by yellow buoy, FL(4) 15 sec 5MOther · 37.3 nm
- Survey operations 10 aug until further notice by M/V vision 2 in: a. 29-03.09N 048-10.06ESurveys · 40.5 nm
- Odas buoy relocated to 28-49.63N 050-42.93ENav aids · 96.7 nm
Worldwide in the collected sources
28 military exercises listed in force · see all
Record snapshot 2026-10-02 06:41Z; 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.