What aspect of the Boeing 717 contributes to its distinction among regional jets?

The feature that distinguishes the Boeing 717 among regional jets is its advanced wing design. The 717's wing is engineered for improved aerodynamics, which contributes to better fuel efficiency and performance at various flight conditions. This wing design includes enhancements such as winglets, which reduce drag and allow for better overall lift-to-drag ratios. These factors make the Boeing 717 particularly well-suited for short-haul routes, where performance and operating costs are critical.

While other aspects like advanced technology in navigation, larger fuel tanks, and an innovative cockpit layout certainly play roles in the aircraft's overall design and functionality, the advanced wing design is a specific characteristic that sets the 717 apart in the regional jet category. It is this focus on aerodynamic efficiency that enables the aircraft to perform optimally within its designed operational envelope, thereby reinforcing its unique position in the market.