Piracy

Possible mothe rship activity in 11-57N 050-35E

Gulf of Aden · HYDROPAC 1835/17

What this record establishes

Archived notice · 2017-06-02 01:03Z

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) · IMBPC 260100Z MAY 17.. Issued 2017-05-26 01:03Z. 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
Gulf of Aden. The parsed report position is 11.950, 50.583. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the Gulf of Aden →

issued
2017-05-26 01:03Z
status
Archived notice
self-cancels
2017-06-02 01:03Z
authority
IMBPC 260100Z MAY 17.
issued by
IMB PIRACY REPORTING CENTER
sea
Gulf of Aden
position
11.950, 50.583
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

GULF OF ADEN.
SOMALIA.
DNC 10.
1. POSSIBLE MOTHE RSHIP ACTIVITY IN 11-57N 050-35E.
   VESSELS ARE ADVISED TO KEEP CLEAR OF THIS
   POSITION AND TO EXERCISE EXTREME CAUTION.
   REPORTS TO IMBPC,
   PHONE: 603 2031 0014, FAX: 603 2078 5769,
   E-MAIL: IMBKL@ICC-CCS.ORG, PIRACY@ICC-CCS.ORG.
2. CANCEL THIS MSG 020103Z JUN 17.

Reading this warning

DNC (Digital Nautical Chart)
A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
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.
Piracy and armed robbery
Attacks and attempted boardings of ships, and suspicious approaches by small craft.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.
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.

All warning terms →

Collected reports in this area · piracy & armed robbery reports

106 within 180 nm since 2003 · 2 in the last 12 months · 0 listed in force now

03
05
10
15
20
25
26

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.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

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 02:54Z; 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.