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Beechcraft King Air 360 vs Piper Seneca

The Beechcraft King Air 360 and the Piper Seneca sit in different aircraft categories and are built for different mission profiles. The King Air 360 is a pressurized twin‑turboprop business aircraft, generally faster and more capable for frequent, higher‑altitude operations and more demanding weather. The Piper Seneca is a pressurized light twin‑piston aircraft, typically used for personal, training, and light business travel with lower operating costs but less overall performance. In range, the King Air 360 typically offers substantially longer legs, commonly around 1,500 nautical miles class depending on payload and conditions, while the Seneca is usually in the roughly 700–900 nautical mile class. That difference often translates into fewer fuel stops and more flexibility for the King Air on longer trips. For passenger capacity, the King Air 360 is commonly configured for about 6 to 9 passengers in a corporate interior, whereas the Seneca generally carries 4 to 6 occupants, with seating that is more utilitarian and payload more sensitive to fuel and baggage.

SpecBeechcraft King Air 360Piper Seneca
Summary
Cockpit22
DOC / nm$ 4.20$ 1.69
Min Crew1
Total Seats106
Flight RulesIFRIFR
ManufacturerBeechcraftPiper
Aircraft NameKingAir 350iSeneca
CertificationFAA / EASAFAA / EASA
Max Range (nm)1560828
DOC / nm / Seat$ 0.53$ 0.28
Max Cabin Seats9
OEM VerificationVERIFIEDUn-Verified
Useful Load (lbs)51451331
Standard Cabin Seats84
Direct Operating Cost$ 1,311$ 337
Flight Deck (Base Spec)Rockwell Collins Pro Line FusionGarmin G1000 NXi
Max Cruise Speed (ktas)312200
Base Aircraft Price (USD)$7,650,000 $1,095,000
Cabin
Cockpit22
LavatoryOptional
Min Crew1
Total Seats106
Galley LocationFWD
Max Cabin Seats9
Lavatory LocationAFT
Cabin Pressure (psi)6.5
Galley / RefreshmentOptional
Standard Cabin Seats84
Engine
FADECYesNo
ModelPT6A-60ATSIO-360-RB
TBO (hrs)36001800
Horsepower1050220
Flat RatingISA + 10
No. of Engines12
Fuel Capacity (gal)539122
Fuel TypeAvGas
Fuel DeliveryFuel Injected
Dimensions
Length (ft)46.728.6
Wingspan (ft)57.939
Cabin Width (ft)4.5
Cabin Height (ft)4.8
Cabin Length (ft)19.5
Overall Height (ft)14.410
Cabin Width - Floor (ft)4.1
Cabin Length - Seating (ft)19.5
Baggage Volume Int. (cu. ft)71