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Fri, May 05, 2006

AgustaWestland Selects BAE Systems To Design HEAT Flight Computer

First Fully Electronic Helicopter Fly-By-Wire System 

As part of its Helicopter Electro Actuation Technology (HEAT) program for the U.K. Royal Navy’s EH101 Merlin helicopter fleet, AgustaWestland has awarded a $32 million contract to BAE Systems for the development of the digital flight control computer. HEAT will be the first electromechanical fly-by-wire system installed on a helicopter.

"The new state-of-the-art system will replace older, more complex hydraulic systems," said Mike Austill, managing director of Avionic Systems for BAE Systems. "This reduces pilot workload, cost of ownership, maintenance, and weight while improving survivability, safety, and aircraft handling and agility." 

The HEAT system -- designed in a joint effort by AgustaWestland, BAE Systems, and Claverham -- will replace the existing hydro-mechanical rotor control system on the EH101. It is comprised of two dual-lane flight control computers that together provide quadruple-redundant electronic control -- allowing the system to function safely even if two of the systems were to fail.

The fly-by-wire controls initially will interface with the pilot inceptors and actuators, and eventually will replace the existing autostabilizer and autopilot functionality. 

"We are pleased to partner with BAE Systems on this groundbreaking technology, and we look forward to benefiting from the company’s decades of fly-by-wire experience," said Martin Fausset, programs director at AgustaWestland. 

The system will expand the operational envelope of the aircraft for U.K. Royal Navy ship operations in adverse weather. It also will improve aircraft handling, enabling improved terrain following and masking and increased agility on the battlefield. The very high reliability and low power dissipation of the HEAT flight control system will ensure the Merlin’s ability to operate for long periods remote from landing bases. 

FMI: www.baesystems.com, www.royal-navy.mod.uk

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