Hamilton Sundstrand APS5000 APU Achieves Major Milestones

SAN DIEGO, April 8 /PRNewswire-FirstCall/ -- Hamilton Sundstrand's Power Systems business has successfully completed ETOPS (Extended-range Operations) testing of its APS5000 Auxiliary Power Unit (APU) for the Boeing 787 Dreamliner. The completed testing is an important step in providing ETOPS capabilities for 787s upon initial entry into service. Hamilton Sundstrand is a subsidiary of United Technologies Corp. (NYSE: UTX).

"This is a major accomplishment for our team," said Danny Di Perna, Hamilton Sundstrand Power Systems vice president and general manager. "We are very proud to have successfully completed the ETOPS test on the APS5000 APU in support of Boeing's 787 testing phase."

To date, the APS5000 APU has logged 10,000 APU operating hours and successfully completed 24,000 starts in its lab- and flight-test program. It provides the 787 electrical power while on the ground and with back-up power while in flight. The APS5000 APU features two 225 kVA, 230 VAC starter/generators, an eductor cooling system, variable speed operation, no-break power transfer capability and a 15,000 MTBO core engine design. The APU starts and operates throughout the airplane flight envelope.

Hamilton Sundstrand Power Systems, based in San Diego, Calif., currently has more than 13,000 APUs in commercial and military service. Hamilton Sundstrand is the largest systems supplier on the 787 with nine major systems. The 787 program is expected to generate more than $15 billion in revenue for Hamilton Sundstrand over the program's life.

With 2009 revenues of $5.6 billion, Hamilton Sundstrand is headquartered in Windsor Locks, Conn. Among the world's largest suppliers of technologically advanced aerospace and industrial products, the company designs, manufactures and services aerospace systems and provides integrated system solutions for commercial, regional, corporate and military aircraft. It also is a major supplier for international space programs.

United Technologies Corp., based in Hartford, Conn., is a diversified company that provides high-technology products and services to the aerospace and building industries.

This press release contains forward-looking statements concerning potential production and sale of Hamilton Sundstrand aerospace products and services. Important uncertainties that could cause actual results to differ materially from those anticipated include the severity and duration of global recessionary conditions, including extended contraction in credit conditions; the impact of volatility and weakness in financial markets on overall levels of economic activity; declines in end market demand in the aerospace industry; financial difficulties, including bankruptcy, of commercial airlines; challenges in the design, development, production and support of advanced technologies; as well as other risks and uncertainties, including but not limited to those detailed from time to time in United Technologies Corporation's Securities and Exchange Commission filings.

SOURCE Hamilton Sundstrand

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