Dimensions: The basic "long-body" MD-80 versions (MD-81, MD-82, MD-83, and MD-88) have an overall length of , and a fuselage length of that is 4.62 m longer than the DC-9-50 and 13.5 m longer than the initial DC-9, the Series 10. Wingspan was also increased by 4.4 m in comparison with earlier DC-9s at . The aircraft's passenger cabin, from cockpit door to aft bulkhead, is long and, as with all versions of the DC-9, has a maximum cabin width (trim-to-trim) of .