the 717 features a two-crew cockpit that incorporates six interchangeable liquid-crystal-display units and advanced honeywell via 2000 computers. the cockpit design is called advanced common flightdeck (acf) and is shared with the md-10 and md-11. flight deck features include an electronic instrument system, a dual flight management system, a central fault display system, and global positioning system. category iiib automatic landing capability for bad-weather operations and future air navigation systems are available. the 717 shares the same type rating as the dc-9, such that the faa approved transition courses for dc-9 and analog md-80 pilots that could be completed in 11 days.