FAA Completes DO-178B Certification for Green Hills INTEGRITY-178B

4/8/2003 - Green Hills Software, Inc., the technology leading and world's second largest RTOS company, announced that the FAA has completed another successful DO-178B certification for INTEGRITY-178B. ACSS, an L-3 Communications & Thales Company, is using INTEGRITY-178B on ACSS's new Traffic and Terrain Collision Avoidance System (T2CAS), which recently received FAA certification.

This successful FAA certification included the review and verification of INTEGRITY-178B's ARINC-653 compliant partition scheduler, which ACSS's T2CAS uses to provide space and temporal protection across multiple partitions. ACSS's T2CAS also relies on additional INTEGRITY-178B partitioning features in order to run multiple applications in separate partitions that operate at different levels of criticality. INTEGRITY-178B is the first commercial RTOS that provides robust partitioning and that has been designed into a flight critical system certified by the FAA. Typically, avionics manufacturers configure multiple processors, each one assigned to run an application at a particular safety level, and certified to that level. Using INTEGRITY-178B, a single processor can be used to support multiple levels of criticality, with guarantees that no application can adversely affect the functionality or performance of another application. This offers avionics manufacturers significant cost reduction, and simplifies system integration and test, increasing overall reliability of the system.

"We selected INTEGRITY-178B because we required a commercially supported real-time operating system that met our T2CAS system requirement for operating multiple programs at different FAA criticality levels on a single PowerPC," said Jim Redmond of ACSS. "INTEGRITY-178B has enabled us to complete this project and secure FAA certification faster than if we had used other approaches we considered."

Traffic Alert and Collision Avoidance Systems (TCAS) enable all commercial, and many private aircraft to safely avoid other aircraft by sensing other aircraft's transponder signals. T2CAS is an avionics system that combines aircraft performance-based Terrain Awareness Warning System (TAWS) capability into the TCAS 2000 line-replaceable unit (LRU). T2CAS is also backward compatible for operators using ACSS's first generation TCAS II. T2CAS provides greater collision-avoidance capabilities than previously available in a single system, reducing pilot workload and making air travel safer in all weather conditions. The new system introduces a higher level of safety to all areas of aviation by increasing pilot awareness to potential terrain hazards and basing its alerts and avoidance maneuvers on an aircraft's actual ability to climb at a given moment - not based on predetermined computations. The growing list of customers who have selected T2CAS includes Aero California, Aeromexico, Federal Express, Northwest Airlines, Mesaba Airlines, the U.S. Customs Service, and Virgin Express, as well as others to be announced shortly.

"ACSS, like many other safety-critical system designers have selected INTEGRITY-178B for their commercial avionics products," said Patrick Huyck, systems certification manager for Green Hills Software. "They see that INTEGRITY-178B uniquely satisfies their needs for an OS with real-time performance, DO-178B Level A life-cycle data, robust partitioning, and supported by a reliable commercial RTOS supplier."

INTEGRITY-178B is available now with off-the-shelf DO-178B, Level A Certification Packages, the robust MULTI®/AdaMULTITM development environment, and Green Hills Software's EEMBC-leading PowerPC compiler family. INTEGRITY also supports MIPS, ARM, XScale, and x86/Pentium processors.

More on Green Hills Software
Founded in 1982, Green Hills Software Inc. is the technology leader for real-time operating systems and software development tools for 32- and 64-bit embedded systems. Green Hills Software's royalty-free INTEGRITY® and INTEGRITY-178BTM real-time operating systems, fully integrated with its market leading compilers and MULTI®/AdaMULTITM Integrated Development Environment, provide a total development and run-time solution that addresses both deeply embedded and maximum reliability applications.

Green Hills Software is headquartered in Santa Barbara, CA, with European headquarters in the United Kingdom. For more information on Green Hills Software products, call 805-965-6044, email sales@ghs.com or visit us on the web at www.ghs.com.

Green Hills Software, the Green Hills logo, INTEGRITY, and MULTI are registered trademarks, and AdaMULTI and INTEGRITY-178B are a trademarks of Green Hills Software Inc.

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