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Cabin The Cessna Denali will offer best-in- class pressurization of 7.55 PSID (Pounds per Square Inch Differential), which will provide crew and passengers a cabin alti- tude of 6,100 feet at FL310, the maximum operating altitude. This alone will pro- vide a significant amount of passenger comfort, especially on long-range flights. The Cessna Denali will initially have two seating configurations: A six- seat executive option with a forward refreshment center and optionally-belt- ed aft toilet; or a commuter option with nine seats in the cabin, but no refresh- ment or toilet installation. The toilet can either be a permanent externally- serviceable option or one that is self- contained and removable. Operators cannot switch between the executive and commuter cabin implementations. In the cabin, which incorporates styl- ing features from the Citation line, I was impressed by the large windows and expansive view. The Pilatus PC-12 and Cessna Denali have the same cabin length, while the Cessna Denali is taller by 2 inches and wider by 5 inches. The forward door will offer a stair design that issimilartoCessna’s newestjets.Inad- dition, the airplane will have a standard rear cabin door that is the same width as the PC-12, but a few inches taller. I’ve used the large door of the PC-12 to load an X-ray machine on a pallet during relief work in Haiti, and I can envision the Cessna Denali will be equally useful in such situations. Next Steps I’ve viewed the construction of the Cessna Denali prototype, as well as the two production test articles that will be used in the certification. It is impressive to see the design using many processes that Textron Aviation utilizes in their newest jets, including monolithic ma- chining (machining components from a single piece of material rather than form- ing them). With first test flights expected by the end of this year and production in late 2020, it will be exciting to soon see a new single-engine turboprop in the air. Hillaero Modifcation Center 16 • TWIN & TURBINE / September 2019 Luma Technologies LLC