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Beechcraft King Air 260 vs Piper Seneca

The Beechcraft King Air 260 and the Piper Seneca sit in different aircraft categories and are used for different mission profiles. The King Air 260 is a twin‑engine turboprop, typically positioned as a light business/utility aircraft with higher cruise speeds, stronger climb performance, and better high‑altitude capability than most piston twins. The Piper Seneca is a twin‑engine piston aircraft, commonly used for personal travel, training, and light commercial missions where operating costs and simplicity are priorities. In range, the King Air 260 generally offers longer legs and more flexibility for weather and terrain due to turboprop performance and typical flight levels, while the Seneca’s practical range is usually shorter and more sensitive to payload, winds, and cruise power settings. For passenger capacity, both can be configured around six to seven seats depending on interior layout, but the King Air 260 more often carries passengers with greater comfort, baggage volume, and loading flexibility, whereas the Seneca is usually operated with fewer passengers when full fuel and baggage are required.

SpecBeechcraft King Air 260Piper Seneca
Summary
Cockpit22
DOC / nm$ 4.30$ 1.69
Min Crew1
Total Seats86
Flight RulesIFRIFR
ManufacturerBeechcraftPiper
Aircraft NameKingAir 250Seneca
CertificationFAA / EASAFAA / EASA
Max Range (nm)1420828
DOC / nm / Seat$ 0.72$ 0.28
Max Cabin Seats8
OEM VerificationVERIFIEDUn-Verified
Useful Load (lbs)37601331
Standard Cabin Seats64
Direct Operating Cost$ 1,333$ 337
Flight Deck (Base Spec)Rockwell Collins Pro Line FusionGarmin G1000 NXi
Max Cruise Speed (ktas)310200
Base Aircraft Price (USD)$6,450,000 $1,095,000
Cabin
Cockpit22
Lavatory1 Flushing
Min Crew1
Total Seats86
Max Cabin Seats8
Lavatory LocationAFT
Cabin Pressure (psi)6.5
Galley / RefreshmentNo
Standard Cabin Seats64
SL Cabin Altitude (ft)15293
Engine
FADECYesNo
ModelPT6A-52TSIO-360-RB
TBO (hrs)36001800
Horsepower850220
Flat RatingISA + 37
No. of Engines12
Fuel Capacity (gal)544122
Fuel TypeAvGas
Fuel DeliveryFuel Injected
Dimensions
Length (ft)43.828.6
Wingspan (ft)57.939
Cabin Width (ft)4.5
Cabin Height (ft)4.8
Cabin Length (ft)16.7
Overall Height (ft)14.810
Cabin Width - Floor (ft)4.1
Cabin Length - Seating (ft)16.7
Baggage Volume Int. (cu. ft)55