The 737 NG series—comprising the -600, -700, -800, and -900 models—was launched in the late 1990s as a significant upgrade over the earlier 737 Classic series. Boeing introduced the NG to improve fuel efficiency, range, and passenger capacity, while also responding to rising competition from the Airbus A320.

As Boeing struggles to increase 737 MAX output, Spirit AeroSystems reportedly ... that the quality of the Spirit Aero-produced fuselage has significantly improved. One issue affecting quality ...

The victims' family members had until 5 p.m. Thursday to be heard after receiving a letter from the DOJ that a deal was in the works.

Had development finished, the X-66 intended to test whether a compound set of wings, , could generate better lift characteristics than current airliners.