US FAA tightens aircraft certification oversight after Boeing MAX crashes
The Federal Aviation Administration said on Tuesday it had adopted a new aircraft certification policy requiring key flight control design changes to be considered "major" like the system involved in two fatal Boeing 737 MAX crashes in 2018 and 2019. The FAA said Tuesday it was also issuing additional guidance to airplane manufacturers on how to identify safety-critical information and said both new steps will "improve aircraft certification safety." Boeing did not disclose key details to the FAA of a safety system called MCAS, which was linked to both fatal crashes and d...