On 180730Z nov a merchant vessel came under attack by pirates in two fast moving craft in 02-09S 047-25E

Original warning text

1. ON 180730Z NOV A MERCHANT VESSEL CAME UNDER ATTACK
   BY PIRATES IN TWO FAST MOVING CRAFT IN 02-09S 047-25E.
   THE PIRATES PURSUED THE VESSEL FOR TWO HOURS, CLOSED
   DISTANCE AND TRIED TO BOARD THE VESSEL UNDER USE OF
   AUTOMATIC FIRE AND ROCKET PROPELLED GRENADES. THE
   VESSEL ACTIVATED ANTI-PIRACY MEASURES AND ESCAPED
   THE ATTACK SAFELY.
2. IT IS RECOMMENDED THAT ALL VESSELS NOT MAKING
   SCHEDULED CALLS TO PORTS IN SOMALIA, KENYA OR
   TANZANIA KEEP AS FAR FROM THE SOMALI COAST AS
   POSSIBLE. THE MARITIME SECURITY CENTER HORN OF AFRICA
   (MSCHOA) NOW ADVISES THAT VESSELS SHOULD CONSIDER
   MAINTAINING A DISTANCE OF MORE THAN 600 NAUTICAL MILES
   FROM THE COASTLINE AND WHEN ROUTING NORTH AND SOUTH
   CONSIDER KEEPING EAST OF 60E LONGITUDE UNTIL EAST
   OF THE SEYCHELLES.
3. ALL VESSELS TRANSITING THE AREA AND NOT ABLE TO KEEP
   600 NAUTICAL MILES OFF THE SOMALI COAST ARE ADVISED
   NOT TO APPROACH CLOSER THAN 100 NAUTICAL MILES FROM
   THE POSITION GIVEN IN THIS REPORT AND MAINTAIN
   MAXIMUM CPA WITH ANY SHIP ACTING SUSPICIOUSLY.
4. WHILE NAVIGATING IN THE REGION VESSELS ARE URGED TO
   OPERATE AT A HEIGHTENED STATE OF READINESS, MAINTAINING
   STRICT 24 HOUR ANTI-PIRACY VISUAL AND RADAR WATCHES,
   ACTIVELY IMPLEMENT RECOMMENDED ANTI-PIRACY MEASURES
   AND REGULARLY REPORT THEIR POSITION, COURSE AND SPEED
   TO UKMTO.
5. MERCHANT VESSELS ARE REQUESTED TO REPORT ANY SUSPICIOUS
   ACTIVITY TO UKMTO DUBAI, PHONE: 97 150 552 3215,
   E-MAIL: [email protected] OR IMB PRC,PHONE: 6 032 031 0014,
   E-MAIL: [email protected] OR [email protected].
   REPORTS CAN ALSO BE RELAYED TO MSCHOA,
   E-MAIL: [email protected].