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As a aircraft avionics systems (most electronics and navigations systems for those uncertain. Also includes RWR and any other EWS on the airplane) guy. I've done a number of phased repair cycles for both duel and single engined planes. That 40% more expensive number was base on based on about 22% more expensive on start-up purchase and 15% increased maintence hours on the dual engined aircraft and 3% Based on operating costs (two smaller engines in a heavier airplane still use more fuel it seems.) Used the numbers from export versions of the f-16 and the f-18 (original hornet) (the f-18L would have been better but numbers on it are scarce to find quickly on the internet). Does anyone have disagrements with this or would you care to look at two other similair aircraft from a different manufacturer to determine wether this holds true across the board or if its just this case?
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