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Sep 13, 2009

Surveillance of oil support helicopter operations using wide-area multilateration instead of radar has been launched over the North Sea. Multilateration is not new, but this is the first use of such a surveillance system in a sea area. Deployed by UK air navigation service provider NATS and Oil & Gas UK, the system is operated from Aberdeen's air traffic control tower. Signal transmitter and receiver stations, fitted to offshore oil and gas platforms in the central North Sea, identify and track helicopters in real time. Land-based radar cannot detect helicopters further than about 110km because the aircraft operate at low level, below the radar horizon. Sep 7, 2009

Dassault Aviation, Boeing, Saab

Brazil is continuing to negotiate with all three bidders for a multi-billion dollar fighter contract despite an announcement on 7 September by the presidents of Brazil and France that the Dassault Rafale F3 had been selected. The Boeing F/A-18E/F Super Hornet and Saab Gripen NG could be still allowed to "redefine" their offers for the FX-2 contract, Brazilian defence minister Nelson Jobim said in a written clarification released late on 8 September. Jobim's statement noted that the French...

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