Hispano-Suiza celebrates end of integration tests for SaM146 control system

Réau, May 18, 2006

Hispano-Suiza, a SAFRAN Group company, celebrated the end of integration tests for the SaM146 regional jet engine at its plant here in Réau today. The ceremony was attended by representatives of Snecma, PowerJet, GSAC (Groupement pour la Sécurité de l'Aviation Civile) and the company's own personnel. The completion of these tests is a major milestone in SaM146 development, since preparations can now begin for the engine's first ground tests.

"This is a remarkable performance, culminating the efforts made by our teams to complete this key part of the program," said Pascal Sénéchal, Chairman and CEO of Hispano-Suiza. "With the completion of the tests today, we are making our contribution to engine development. Furthermore, this milestone underscores the tight-knit collaboration between Hispano-Suiza and the engine-maker, Snecma."

Integration tests for the SaM146 control system kicked off in October 2005 on the Hispano-Suiza test bench. These functional tests verified the integration of components and subassemblies in the control system and also checked the engine's control laws under simulated flight conditions (starting, windmilling, cruise idle and takeoff).

The control system developed by Hispano-Suiza for the SaM146 is the company's first for a commercial engine. Its architecture is based on a full authority digital engine control (FADEC). Comprising an array of electronic, electrical, mechanical and hydraulic equipment, the system also controls the opening and closing of the thrust reverser and interfaces with the aircraft's systems. Hispano-Suiza is prime contractor for nearly 50 different components and subassemblies, coordinating its industrial partners to deliver maximum performance for minimum cost.
The SaM146, developing 14,000 to 17,500 lb of thrust, is developed and produced by PowerJet, a jointly owned company of Snecma (SAFRAN Group) of France and NPO Saturn of Russia. The first application for this brand-new engine is the family of Russian Regional Jets (RRJ) being built by Sukhoi Civil Aircraft Company.

Hispano-Suiza, SAFRAN Group, is a world leader in mechanical power transmissions, electronic and hydraulic control systems and equipment for aircraft engines. The company is also actively involved in R&D for advanced systems and equipment on tomorrow's "more electric" aircraft. Hispano-Suiza has two main facilities in the greater Paris area, at Colombes and Réau, and two subsidiaries, in Sedziszow, Poland, and Peterborough, Canada.

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