Textron Aviation issued a brief statement March 8 that summarily ended the production of its long-running King Air C90 line, as well as the mid-size Citation Sovereign+. The 90-series King Air, in one version or another, had been manufactured since 1964; the latest model was the King Air C90GTx. The Sovereign has been in production since 2004.
Source: aopaTextron ends C90GTx, Sovereign lines