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AlliedSignal Aerospace's 131-9A APU for Airbus Completes First Year of Service Without a Single Removal.

PHOENIX--(BUSINESS WIRE)--Oct. 13, 1999--

Reliability of the APU Exceeds All Goals

131-9 Series Is Top APU Choice for Single Aisle Aircraft Worldwide

AlliedSignal Inc. (NYSE:ALD) Wednesday announced that its new 131-9(A) Auxiliary Power Unit (APU) has completed its first year of service without a single unit having to be removed from an aircraft for repair.

"The fleet experience gives us confidence that the 131-9(A) will exceed our goal of providing at least 10,000 hours mean time between failures and 8,500 hours mean time between chargeable unscheduled removals," said Mark Kaiser, 131-9 program manager, AlliedSignal Aerospace Engines & Systems.

Tunisair was the first to take delivery of a 131-9(A) just over one year ago. "During this year, Tunisair had complete satisfaction with these APUs in terms of reliability," said Hachmi Sioud, director of engineering, Tunis Airways. "In fact, not one single problem was noticed during the whole year."

In all, the first year of service for 131-9(A) involved 47 APUs on the Airbus A-320 aircraft family with more than 36,000 hours total APU operating time. The highest-time unit in this group has accumulated more than 2,000 hours.

"The 131-9 was designed for high reliability and easy maintainability," said Kaiser. The APU produces its rated power with lower exhaust gas temperature than previous designs, and test units were run for more than 21,000 hours before placing any APUs in service. When service is needed, all line-replaceable units in the 131-9 can be removed and replaced in the field in 15 minutes or less.

"The experience with the 131-9(A) reflects the continuing success of the entire 131-9 family of APUs," Kaiser said. Three hundred eighty two 131-9(B) models have accumulated 462,000 total APU hours on Boeing 737s, and 105 131-9(D) APUs have accumulated 401,000 hours on Boeing MD-90 aircraft.

More than 100 airlines worldwide have selected the 131-9 family for more than 1,980 current and future commercial aircraft orders, making it the airlines' No. 1 APU choice for single-aisle commercial transport aircraft.

APUs provide pneumatic and electrical power for aircraft systems in flight or on the ground. The 131-9 series APU will start and operate to 41,000 feet. The unit delivers 154 pounds of air per minute at 52 psi for environmental control systems and main engine starting. Its 90 kva generator is capable of supplying full electrical power for the aircraft in the event of an emergency.

AlliedSignal Aerospace, a U.S.$7.5 billion unit of AlliedSignal Inc., is the largest supplier of aircraft engines, equipment, systems and services for commercial transport, regional, general aviation and military aircraft.

AlliedSignal Inc. is a U.S.$15 billion advanced technology and manufacturing company serving customers worldwide with aerospace products and services, automotive products, chemicals, fibers, plastics and advanced materials.

It is one of the 30 stocks that make up the Dow Jones Industrial Average and is also a component of the Standard & Poor's 500 Index. The company employs 70,400 people in some 40 countries.

Additional information on the company is available on the World Wide Web at http://www.alliedsignal.com.

This release contains forward-looking statements as defined in Section 21E of the Securities Exchange Act of 1934, including statements about future business operations, financial performance and market conditions. Such forward-looking statements involve risks and uncertainties inherent in business forecasts.
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Publication:Business Wire
Geographic Code:1USA
Date:Oct 13, 1999
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