Tupolev Tu-154
trijet airliner
The Tupolev Tu-154 (Russian: Туполев Ту-154; NATO reporting name: "Careless") is a three-engined, medium-range, narrow-body airliner designed in the mid-1960s and manufactured by Tupolev. A workhorse of Soviet and (subsequently) Russian airlines for several decades, it carried half of all passengers flown by Aeroflot and its subsidiaries (137.5 million/year or 243.8 billion passenger-km in 1990), remaining the standard domestic-route airliner of Russia and former Soviet states until the mid-2000s. It was exported to 17 non-Russian airlines and used as a head-of-state transport by the air forces of several countries.
The aircraft has a cruising speed of 850 km/h (460 kn; 530 mph) and a range of 5,280 km (3,280 mi). Capable of operating from unpaved and gravel airfields with only basic facilities, it was widely used in the extreme Arctic conditions of Russia's northern/eastern regions, where other airliners were unable to operate. Originally designed for a 45,000-hour service life (18,000 cycles), but capable of 80,000 hours with upgrades, it was expected to continue in service until 2016, although newer noise regulations have restricted it from flying to Western Europe and other regions.
Development
The Tu-154 was developed to meet Aeroflot's requirement to replace the jet-powered Tu-104 and the Antonov An-10 and Ilyushin Il-18 turboprops. The requirements called for either a payload capacity of 16–18 t (35,000–40,000 lb) with a range of 2,850–4,000 km (1,770–2,490 mi; 1,540–2,160 nmi) while cruising at 900 km/h (560 mph; 490 kn), or a payload of 5.8 t (13,000 lb) with a range of 5,800–7,000 km (3,600–4,300 mi; 3,100–3,800 nmi) while cruising at 850 km/h (530 mph; 460 kn). A take-off distance of 2,600 m (8,500 ft) at maximum takeoff weight was also stipulated as a requirement. Conceptually similar to the British Hawker Siddeley Trident, which first flew in 1962, and the American Boeing 727, which first flew in 1963, the medium-range Tu-154 was marketed by Tupolev at the same time as Ilyushin was marketing its long-range Ilyushin Il-62.
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