Mothership activity in 01-40S 057-37E at 160800Z apr
Indian Ocean · HYDROPAC 812/10
What this record establishes
Archived notice · 2010-04-20 06:10Z
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 227/10 191304Z APR 10.. Issued 2010-04-20 08:35Z. 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 -1.667, 57.617. 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
- Cancel HYDROPAC 812/10, 785/10 referslater cancellation notice
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 785/102010-04-16 · Archived notice
- HYDROPAC 812/10 · this notice2010-04-20 · Archived notice
- HYDROPAC 814/102010-04-20 · Archived notice
- issued
- 2010-04-20 08:35Z
- status
- Archived notice
- authority
- NAVAREA VIII 227/10 191304Z APR 10.
- NAVAREA
- NAVAREA VIII · named as the source of this relay
- sea
- Indian Ocean
- position
- -1.667, 57.617
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN INDIAN OCEAN. PIRACY. 1. MOTHERSHIP ACTIVITY IN 01-40S 057-37E AT 160800Z APR. MARINERS ARE ADVISED TO KEEP CLEAR OF THIS AREA IF POSSIBLE. CAUTION ADVISED. 2. CANCEL THIS MSG 04 MAY.
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.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · piracy & armed robbery reports
15 within 180 nm since 2009 · 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.
- M/V attacked in 01-16N 058-07E at 170952Z aug2012-08-17
- M/V attacked in 01-12S 058-32E at 201439Z oct2011-10-20
- Possible mothership activity in 01-42S 055-02E at 030739Z feb2011-02-03
- M/V york conducting mothership operations in 00-36N 058-37E at 290304Z dec2010-12-29
- M/V orna hijacked in 01-46S 060-32E at 201129Z dec2010-12-20
- Two F/V hijacked vicinity denis island (03-48S 055-40E) at 282011Z oct2010-10-28
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 2026-10-02 03:22Z; 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.