The Boeing 747-400 is a large, long-range wide-body airliner produced by Boeing Commercial Airplanes, an advanced variant of the initial Boeing 747. The "Advanced Series 300" was announced at the September 1984 Farnborough Airshow, targeting a 10% cost reduction with more efficient engines and 1,000 nautical miles (1,900 km; 1,200 mi) of additional range. Northwest Airlines became the first customer with an order for 10 aircraft on October 22, 1985. The first 747-400 was rolled out on January 26, 1988, and made its maiden flight on April 29, 1988. Type certification was received on January 9, 1989, and it entered service with NWA on February 9, 1989. Singapore Airlines Flight 006, a Boeing 747-400, attempted to take off on the wrong runway at Taiwan Taoyuan International Airport (previously Chiang Kai-shek International Airport) while departing for Los Angeles International Airport. It collided with the construction equipment that was parked on a closed runway, killing 83 of the 179 onboard and injuring a further 71 people. This was the first and only fatal accident of a Singapore Airlines aircraft to date. The aircraft 9V-SPK was painted in a "Tropical" promotional livery at the time of the accident. The only other aircraft painted with the promotional livery, another 747-400 registered 9V-SPL, was immediately removed from service and repainted with standard Singapore Airlines livery..
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