MD-80 American AirlinesAmerican Airlines MD 80 airplane model. In response to the rising fuel costs of the mid 1970s, operators of the DC 9 were offered new versions of the aircraft by McDonnell Douglas. The DC 9 50 was upgraded to the DC 9 Super 80 in October 1977, with an increase in wingspan by 14 ft. 5 in. and fuselage length by 14 ft. 2 in., allowing for a maximum of 172 passengers to be accommodated. In June of 1983, the company introduced a new MD designation system,

believed that missile technology had evolved to the point where manned interceptor aircraft were obsolete

Most important of the changes introduced on the MD-90 are the two V2500 turbofans

These differed only in minor details from the commercial model

Junkers JU-87 Stuka airplane model

was designed to carry cargo

On August 6

the Bf210 and 410 were discovered

allowing for a maximum of 172 passengers to be accommodated

but it is a significantly improved aircraft

which was the primary airplane of most US airlines in this period

Originally designed as a high-altitude day-fighter

have a 25% larger wing area