Flight Level Aviation retired its only Citation II and Citation Ultra jets from its Part 135-certified fleet in December 2024, ch-aviation research has revealed.

The Citation II, N391DT (msn 550-0620), was last active on October 18, flying between Las Vegas Harry Reid and Reno/Tahoe. The 34.9-year-old jet, operated by Flight Level Aviation since 2021, is currently not listed as Part 135-certified.

In turn, the operator’s only Citation Ultra, N131RR (msn 560-0366), had been under its Part 135 certificate since…

Source: ch aviation
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