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Beechcraft King Air 260 vs Piper M500

The Beechcraft King Air 260 and Piper M500 sit in different turboprop categories, which shapes their capabilities. The King Air 260 is a twin‑engine turboprop in the light/entry-level business twin class, aimed at higher redundancy, strong short-field utility, and flexible cabin use for corporate or special-mission flying. The Piper M500 is a single‑engine turboprop in the personal/business “M‑Class” category, optimized for owner-operators seeking simpler operation and lower operating complexity than a twin. In range terms, the King Air 260 is generally positioned for longer legs, with typical published maximum range around roughly 1,700 nautical miles depending on payload and conditions, while the M500 is usually quoted around roughly 1,000 nautical miles, again varying with reserves, speed, and loading. Passenger capacity also differs: a King Air 260 commonly carries six to nine passengers in addition to one or two pilots depending on configuration, whereas the M500 is typically arranged for one pilot plus up to five passengers, with four to five passengers being more typical when balancing comfort and baggage.

SpecBeechcraft King Air 260Piper M500
Summary
Cockpit22
DOC / nm$ 4.30$ 3.11
Min Crew11
Total Seats86
Flight RulesIFRIFR
ManufacturerBeechcraftPiper
Aircraft NameKingAir 250M500
CertificationFAA / EASAFAA / EASA
Max Range (nm)14201000
DOC / nm / Seat$ 0.72$ 0.78
Max Cabin Seats8
OEM VerificationVERIFIEDVERIFIED
Useful Load (lbs)37601698
Standard Cabin Seats64
Direct Operating Cost$ 1,333$ 579
Flight Deck (Base Spec)Rockwell Collins Pro Line FusionGarmin G1000 NXi
Max Cruise Speed (ktas)310260
Base Aircraft Price (USD)$6,450,000$2,122,600
Cabin
Cockpit22
Lavatory1 FlushingNo
Min Crew11
Total Seats85
Max Cabin Seats8
Lavatory LocationAFT
Cabin Pressure (psi)6.55.5
Galley / RefreshmentNoRefreshment Centre
Standard Cabin Seats64
SL Cabin Altitude (ft)1529312600
Galley LocationMID
Max Cabin Altitude (ft)8244
Engine
FADECYesNo
ModelPT6A-52PT6A-42A
TBO (hrs)36003600
Horsepower850500
Flat RatingISA + 37ISA + 55
No. of Engines11
Fuel Capacity (gal)544170
Dimensions
Length (ft)43.829.6
Wingspan (ft)57.943.2
Cabin Width (ft)4.54.1
Cabin Height (ft)4.84
Cabin Length (ft)16.712.3
Overall Height (ft)14.811.3
Cabin Width - Floor (ft)4.1
Cabin Length - Seating (ft)16.7
Baggage Volume Int. (cu. ft)5520
Cabin Volume (cu. ft)165