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Purchase price is only one part of the decision. Figures are indicative estimates at the typical market year for each model.

Decision factorPiper PA-23-250 Aztec EView aircraft profileCessna 337G SkymasterView aircraft profileCessna 310QView aircraft profile
Typical market year197319731972
Estimated purchase€175k€190k€140k
Annual cash cost at 80 h€167k€174k€166k
Five-year cash outlay€1.01m€1.06m€971k
Cruise speed182 kt170 kt192 kt
Advertised range721 nm850 nm680 nm
Seats666
Realistic payload598 kg455 kg450 kg
Runway need381 m550 m547 m
Data confidencePreliminary — verify source data before decidingPreliminary — verify source data before decidingPreliminary — verify source data before deciding
Main trade-offThe PA-23-250 Aztec E combines 6-seat piston-aircraft utility with about 449 NM reported range and about 183 kt reported cruise, while payload, runway and operating-cost figures remain indicative and should be verified for the specific aircraft before making a decision.Centerline thrust simplifies engine-out handling, but cooling, rear-engine access and two-engine reserves remain complex.The 310Q combines 6-seat piston-aircraft utility with about 446 NM reported range and about 200 kt reported cruise, while payload, runway and operating-cost figures remain indicative and should be verified for the specific aircraft before making a decision.
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