It was built in 2004 and had an airworthiness certificate issued in 2016 that ... within the blade separating due to material fatigue, damage (from bird strikes, for example), or manufacturing ...

"The FAA’s attempt to re-delegate final airworthiness certificate approvals back to ... as the Alaska Airlines flight 1282 fuselage with damaged rivets was shipped from Wichita to Renton ...

All of these aircraft have type certificates. Type certificates are granted to UAS that meet CU airworthiness standards and can therefore be operated in the national airspace system under CU owned ...