LONDON/DUBAI (Reuters) - Iranian oil tankers are sending incorrect satellite signals that confuse global tracking systems and appear to conceal voyages made by other ships to Syria, which, like Iran, is subject to international sanctions.
The two countries are close allies and have helped each other deal with shortages by swapping badly needed fuels such as gasoline for diesel.
Sanctions imposed on Iran to hamper its nuclear program have blocked sales of its oil to the West and made it increasingly difficult for Iran's fleet to obtain insurance and financing for deals with Asian buyers in China, India and South Korea.
Western sanctions have also isolated Syria, preventing it from exporting oil, while blocking fuel and weapons imports.
Iranian state tanker company NITC has already changed many tanker names as part of its response to sanctions, though shipping experts say such a tactic would not confuse anyone in the business about a vessel's whereabouts.
Now tanker tracking data monitored by Reuters and shipping specialists have highlighted a more subtle twist.
Large vessels must transmit their identity and location to other ships and coastal authorities using an automatic satellite communication system, but in the last month Iranian vessels sailing in Asian seas have sent signals that took over the identity of other vessels, so the same ship appeared to be in two places at once.
"It is of course possible to manipulate or falsify information in these messages," said Richard Hurley, a senior analyst at IHS Fairplay, a maritime intelligence publisher.
At least three Iranian oil tankers are transmitting such false signals, effectively taking over the identity of Syrian-owned vessels travelling between Syria, Libya and Turkey.
All the vessels in question were registered in Tanzania.
"In the past months we witness a recurring pattern of vessels sailing the Tanzanian flag that transmit the same MMSI number (a satellite signal that provides information on a ship's identity and position)," said Windward, a firm that provides maritime analytics technology.
"This way, if one of the two vessels is engaged in legitimate maritime activities, it might be used as a 'cloaking' for the other vessel and its activities."
Iranian oil tanker Millionaire sent messages that doubled over a voyage made by a Syrian-owned ship, the Lady Rasha.
In a separate instance, the satellite tracks of Iranian oil tanker Pioneer were mixed up with a Tanzania-flagged cargo ship called the Talavera, recently renamed Chief Ahmed, and travelling from the Mediterranean into the Red Sea.
Despite all the paired vessels appearing to be registered under Tanzanian flags, officials in mainland Tanzania and Zanzibar denied holding any information on the vessels.
They have directed queries to a shipping agency in Dubai, Philtex Corporation, which they say registered some Iranian ships under the Tanzanian flag without their knowledge.
Philtex confirmed it had registered the Syrian-owned Lady Rasha, but could not provide details on the Iranian tankers in question.
MYSTERY CRATES
Satellite signals on position, course and speed are typically sent from onboard navigation systems with no human input. Others, like arrival time, are input by crew.
Peter Blackhurst, head of maritime security at Inmarsat, which provides satellite communication services, said a ship could get its Global Positioning System (GPS) to give false data, including pretending to be another vessel.
"That equipment is programmable one way or another," he said, adding that he had come across data manipulation by ships involved in illegal fishing or waste dumping.
Syrian-owned Lady Rasha's satellite track first mixed up with the Iranian-owned oil tanker Millionaire on October 20, when the tanker began transmitting the same signal as the cargo ship.
Lady Rasha was then docked in Benghazi, Libya. The Millionaire tanker was sailing in the Indian Ocean.
To do this, the Millionaire changed its MMSI, a message that contains both location and identity data, from 572450210 to match the Lady Rasha's number: 677030700.
Although the Lady Rasha sent signals during its journey across the eastern Mediterranean, its identity was overwritten by the Iranian ship, which was also sending position signals of its own from the Indian Ocean.
As a result, the Millionaire appears to be undertaking two parallel journeys thousands of miles apart, while the Lady Rasha's track is not plotted.
On one track the Millionaire can been seen sailing the Lady Rasha's course in the Mediterranean, and on the other it is powering though the Indian Ocean from east Asia back to Iran.
However, another piece of identification data, the IMO, can't be changed, and that, too, is sent with every message on position, which enabled vessel-tracking experts to detect that signals came from two different ships.
A day after the Millionaire's MMSI changed, the Lady Rasha left Libya and arrived in Syria on October 26, the Tartous port authority said, where it unloaded cattle and crates, the contents of which the Syrian port authority said were not known.
The Lady Rasha is owned by ISM Group, according to the Syrian port authority at Tartous, a firm that came under the spotlight after Lebanon seized one of its ships with three containers filled with weapons earlier this year, including explosives with labels indicating their origin as Libya.
The port authority at Tartous confirmed the Lady Rasha had called there and the Millionaire had not, but a senior NITC official denied the Iranian tanker had sent out signals that belonged to another ship.
"It is not possible practically to do this," the NITC official said, declining further comment.
The Lady Rasha's owners could not be reached for comment, while the agency that registered the vessel with Tanzania said it was unaware of the duplicate signals.
"We have no idea and we cannot justify why they are emitting the same satellite signals," said Jocelyn Acosta, director of operations at registering agency Philtex Corporation.
Acosta said Philtex cooperated with requests made by United States government agencies and others to identify a ship's owner and had deregistered a number of vessels accordingly.
TANZANIA UNDER SCRUTINY
In a similar example of Tanzania-registered ships confusing satellite systems, the track left by the cargo ship Talavera became mixed up with NITC oil tanker Pioneer.
The Talavera changed its name to Chief Ahmed in November around the time a Hamas military commander called Ahmed Al-Jaabari was assassinated by Israel.
In this case tracking systems showed Pioneer undertaking two parallel journeys in late October thousands of miles apart.
On one track, the tanker appeared to sail from the Suez Canal to the Red Sea - stopping off in Jordan and Yemen on its way to Iran - while at the same time travelling through the South China Sea to the Chinese port of Ningbo.
"Using another MMSI other than your own can only be done among the same flag members and has to be done by one of the workers in the flag offices," said a Western diplomatic source, who monitors efforts to track Iranian tankers.
All ships registered in mainland Tanzania or Zanzibar fly the Tanzanian flag, and officials in both offices said they were unaware of any Iranian vessels on their register.
Responding to diplomatic pressure by the United States and European Union to drop all Iranian tankers from their registries, Tanzania's foreign minister issued a statement denying Iran's vessels had been legitimately registered.
"All the 36 Iranian ships were de-registered and hence stopped using our national flag. We have not registered any new ships as claimed," said Bernard Membe, adding that Tanzania had asked the US and EU to help investigate the Dubai-based agency that had registered the vessels.
"If we establish that this (Iranian tankers have been registered) has happened we will cancel the registrations."
Vessels without a flag cannot be insured, dock in most ports or use the vital Suez Canal shortcut between the Mediterranean and Indian Ocean.
Manipulating or turning off satellite tracking devices is not necessarily an indication that a vessel is trying to conceal illegal activity, according to International Maritime Bureau director Pottengal Mukundan.
"Vessels sometimes shut their AIS when they are going into pirate waters for example, as they wouldn't want anyone to pick up their signal because they could then be targeted by pirates," he said.
Straightforward breaks in satellite signals have also been seen in the east Mediterranean.
An Iranian tanker that loaded a cargo of gasoline in Syria transmitted a message on tracking systems that it was heading for Libya in early November.
Satellite tracking showed the ship, the Alvan, sailed west towards Libya before dropping off the radar for at least 24 hours.
When it began to transmit again, it was sailing back in the opposite direction, east towards the Suez Canal, eventually returning to Iran in mid November.
Libyan authorities say they have not engaged in any oil trade with Iran, and no Iranian tankers had passed through Libyan ports.
"I assure you we never received any Iranian vessels in our oil terminals to load or unload," said Ahmed Shawki, the head of marketing at Libya's National Oil Corporation (NOC).
(Additional reporting by Jonathan Saul, Amena Bakr and Fumbuka Ng'wanakilala; Editing by Will Waterman)
Source: http://news.yahoo.com/exclusive-iran-shipping-signals-conceal-syria-ship-movements-120217930.html
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