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Beechcraft Kingair Denali vs Piper M600 Sls

The Beechcraft Denali and the Piper M600 SLS are both single‑engine turboprops, but they target different parts of the market. The Denali is positioned as a larger, higher‑performance pressurized utility/business turboprop, intended to bridge the gap between entry‑level singles and smaller twin‑engine turboprops in terms of cabin size and capability. The M600 SLS is a premium personal turboprop focused on owner‑pilots, emphasizing integrated automation and ease of operation. On range, both are designed for typical regional and cross‑country missions, but the Denali is generally expected to offer longer legs and more cruise capability overall, reflecting its larger airframe and higher‑power class; the M600 SLS delivers solid range for personal travel but is usually aimed at slightly shorter typical missions. For passenger capacity, the Denali is conceived to carry more people and/or more usable cabin payload, commonly accommodating around six to seven occupants depending on configuration, while the M600 SLS is typically configured for up to six seats including the pilot, with practical loads often favoring fewer passengers plus baggage for longer trips.

SpecBeechcraft KingAir DenaliPiper M600 SLS
Summary
Cockpit22
DOC / nm$ 4.08$ 2.19
Min Crew11
Total Seats116
Flight RulesIFRIFR
ManufacturerGE® AerospacePiper
Aircraft NameKingAir DenaliM600
CertificationFAA / EASAFAA / EASA
Max Range (nm)16001406
DOC / nm / Seat$ 0.68$ 0.55
Max Cabin Seats9
OEM VerificationVERIFIEDVERIFIED
Useful Load (lbs)32802200
Standard Cabin Seats74
Direct Operating Cost$ 1,111$ 603
Flight Deck (Base Spec)Rockwell Collins Pro Line FusionGarmin G3000
Max Cruise Speed (ktas)285274
Base Aircraft Price (USD)$4,150,000$3,081,400
Cabin
Cockpit22
Lavatory1 FlushingNo
Min Crew11
Total Seats115
Max Cabin Seats9
Lavatory LocationAFT
Cabin Pressure (psi)55.6
Galley / RefreshmentNoRefreshment Centre
Standard Cabin Seats74
SL Cabin Altitude (ft)1106512600
Galley LocationMID
Max Cabin Altitude (ft)8644
Engine
ModelCatalyst™PT6A-42A
No. of Engines11
FADECNo
TBO (hrs)3600
Horsepower600
Flat RatingISA + 55
Fuel Capacity (gal)260
Dimensions
Length (ft)14.8629.7
Wingspan (ft)54.343.2
Cabin Width (ft)4.54.1
Cabin Height (ft)4.84
Cabin Length (ft)12.612.3
Overall Height (ft)4.6511.3
Cabin Width - Floor (ft)4.1
Cabin Length - Seating (ft)12.6
Baggage Volume Int. (cu. ft)4820
Cabin Volume (cu. ft)165