Warning signs

Article Abstract:

The unreliability of defective warning systems remains a problem in the airline industry, which leads to the need for modifying safety equipment on airplanes. The airline industry was plagued with problems involving warning signals in 1991. A major disaster, which claimed the lives of 223 people aboard a Lauda Air Boeing 767-300, was attributed to a failure in the jet's thrust-reverser system. Another incident involved a Northwest Airlines 747-400's inboard engine pylon catching fire. In both cases, the aircraft's electronic warning devices sent the wrong signals.

Aircraft, Safety and security measures, Telecommunications systems, Jet airplanes, Jet planes, Airborne warning and control systems

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Pinning the blame

Article Abstract:

Asian air transport authorities are undertaking expensive inspections of Boeing 747 airplanes to discover the causes of the two accidents in Taiwan in Dec 1991 and in Amsterdam in Oct 1992. The right sides of both engines were ripped off after the accidents, and the inspectors will examine the components of the struts that link the engines to the wings. The investigations are, however, being hampered because the steel fuse pins used for holding the struts, have still not been found.

Causes of, Accidents, Boeing 747 (Aircraft)

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Troubled take-off

Article Abstract:

China's civil aviation industry has been expandingto keep up with the economic growth and demands in the country. Unfortunately, the rapid expansion of the industry, which has been regulated by semi-autonomous regional units, has caused a rash of accidents killing 300 people within four months in 1992. These accidents were attributed to lack of qualified personnel and training as well as dependable aircraft and other aviation equipment.

China, Analysis, Airlines, Civil aviation

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