M/V attacked in 09-24S 040-44E at 171156Z may
Indian Ocean · HYDROPAC 1478/11
What this record establishes
Archived notice · 2011-05-28 09:08Z
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) · ONI SPECIAL ADVISORY 171553Z MAY 11.. Issued 2011-05-17 16:12Z. 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
- Indian Ocean. The parsed report position is -9.400, 40.733. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.
- HYDROPAC 1477/112011-05-17 · Archived notice
- HYDROPAC 1478/11 · this notice2011-05-17 · Archived notice
- issued
- 2011-05-17 16:12Z
- status
- Archived notice
- authority
- ONI SPECIAL ADVISORY 171553Z MAY 11.
- issued by
- ONI SPECIAL ADVISORY
- sea
- Indian Ocean
- position
- -9.400, 40.733
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN INDIAN OCEAN. PIRACY. M/V ATTACKED IN 09-24S 040-44E AT 171156Z MAY. THE AREA INVOLVED SHOULD BE AVOIDED IF POSSIBLE. THIS AREA WILL REMAIN HIGH RISK FOR AT LEAST 24-48 HOURS. CAUTION ADVISED.
Reading this warning
- Piracy and armed robbery
- Attacks and attempted boardings of ships, and suspicious approaches by small craft.
- 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.
- 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.
Collected reports in this area · piracy & armed robbery reports
21 within 180 nm since 2010 · 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.
- Mothership activity in 09-49S 040-31E at 160800Z apr2012-04-16
- M/V attacked vicinity 11-18S 041-00E at 131116Z apr2012-04-13
- M/V reports act of piracy vicinity 11-44S 042-34E at 111011Z oct2011-10-12
- M/V attacked in 11-26S 042-34E at 110923Z oct2011-10-11
- F/V attacked vicinity 09-00S 040-56E at 170733Z may2011-05-17
- M/V attacked vicinity 07-01S 041-22E at 300430Z apr2011-04-30
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
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
0 piracy & armed robbery reports listed in force · see all
Record snapshot 2026-09-26 16:18Z; source collection times vary.
Piracy
Vessels attacked or boarded, suspicious approaches, pirate action groups — Gulf of Aden, Gulf of Guinea, Malacca and Singapore Straits, South China Sea. All current piracy & armed robbery reports →
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.