The A321XLR, the world’s longest-range single-aisle passenger jet, has helped Airbus take a big lead over Boeing in narrowbody orders. But as the A321XLR is readied for its first flight, the program has been hit with its first delay and a more complicated certification.
Meanwhile, Boeing is grappling with certifications of the last two versions of the 737 MAX amid questions of whether it will ever field a direct competitor to the A321neo.
Agency Partners aerospace and defense analyst Sash Tusa joins Aviation Week air transport editors Jens Flottau and Sean Broderick to unpack the latest twists in the multi-billion-dollar narrowbody sector. | 
