He said the inquiry's results would be passed to the International Maritime Organisation (IMO).
Sunday's rescue was the result of a two-week operation, the International Maritime Bureau said.
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An official at the International Maritime Organisation explained how the well-armed pirates are becoming increasingly bold.
The RSPB wants the International Maritime Organisation (IMO) to reclassify PIB and outlaw discharges.
Argentina had argued that the seizure violated the immunity of military vessels under international maritime law.
They showed signs of physical abuse and illness after their time in captivity, the International Maritime Bureau said.
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The world boasts a fleet of more than 50, 000 cargo-carrying vessels, according to the International Maritime Organization.
Around 90% of world trade is currently carried by the shipping industry, according to the International Maritime Organization.
The new route was accepted by the International Maritime Organization, since when the ships have been using it voluntarily.
Now Mr Walsh of International Maritime Incorporated in California wants to dive again.
He added that Carnival complies with all safety standards set by the International Maritime Organization, a United Nations agency.
The number of hijackings has declined dramatically, thanks to international maritime patrols and the arming of guards on ships.
Falmouth, being the UK's centre for international maritime rescue co-ordination, checked the signal and who the vessel was registered to.
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Nearly 100 vessels have come under fire, according to the International Maritime Bureau, and almost 40 vessels have been hijacked.
It joined the Outer Space Treaty in March and alerted commercial airlines and the International Maritime Organisation to the launch schedule.
The International Maritime Bureau has said that better policing and improved security have reduced successful hijackings by Somali pirates this year.
This year, pirates have attacked almost 100 vessels off Somalia's coast and hijacked nearly 40, according to the International Maritime Bureau.
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The International Maritime Organization has promised to address the issues raised by critics once the Italian authorities' accident report is published.
Safety standards for cruise ships are set by the International Maritime Organization, a United Nations agency, with enforcement falling to individual countries.
It added that once the result of the study was known, it would be submitted to the International Maritime Organisation for consideration.
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The International Maritime Bureau (IMB) estimates that 53 ships were hijacked worldwide in 2010 and says a record 1, 181 hostages were taken.
The International Maritime Organisation (IMO) said it would consider changing the classification of a substance, but added it was "only a facilitator".
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Cruise ships theoretically follow guidelines set forth by the International Maritime Organization and the recommendations in the Safety of Life at Sea.
He said standards are set by the United Nations' International Maritime Organization.
South Sudan has no coastline, but it may well join the International Maritime Organisation, much preoccupied these days with piracy in nearby waters.
So far this year, pirates have attacked almost 100 vessels off Somalia's coast and successfully hijacked nearly 40, according to the International Maritime Bureau.
Ms Hopkins said it was also possible that pirates were receiving intelligence on the most lucrative targets from individuals working for international maritime organisations.
The International Maritime Organization does keep records of incidents reported voluntarily by ship operators, but does not maintain a public database of that information.
At present, warships from a number of countries patrol an international maritime corridor, escorting some merchant ships and responding to distress calls in the area.
CNN: Pirates strike again off Somalia; ship from Yemen seized
The International Maritime Organization, which is tasked with the international supervision of passenger ships, has also been under fire in the wake of the disaster.
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