Compare Beechcraft KingAir Denali vs Piper M600 SLS
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| Manufacturer | GE® Aerospace | Piper |
| Aircraft Type | KingAir Denali | M600 |
| Base Aircraft Price (USD) | $4,150,000 | $3,081,400 |
| Direct Operating Cost | $ 1,111 | $ 603 |
| DOC / nm | $ 4.08 | $ 2.19 |
| DOC / nm / Seat | $ 0.68 | $ 0.55 |
| Max Cruise Speed (ktas) | 285 | 274 |
| Max Range (nm) | 1600 | 1658 |
| Useful Load (lbs) | 3280 | 2350 |
| Total Seats | 11 | 5 |
| Cockpit | 2 | 2 |
| Standard Cabin Seats | 7 | 4 |
| Max Cabin Seats | 9 | - |
| Min Crew | 1 | 1 |
| Flight Deck (Base Spec) | Rockwell Collins Pro Line Fusion | Garmin G3000 |
| Flight Rules | IFR | IFR |
| Certification | FAA / EASA | FAA / EASA |
| OEM Verification | VERIFIED | VERIFIED |
| Weights | ||
| MRAMP (lbs) | 10545 | 6050 |
| MTOW (lbs) | 10485 | 6000 |
| MLW (lbs) | 9832 | 5800 |
| MZFW (lbs) | 9378 | 4850 |
| BOW (lbs) | 7265 | 3700 |
| BEW (lbs) | 7205 | 3650 |
| Useful Load (lbs) | 3280 | 2350 |
| Max Payload (lbs) | 2113 | 2300 |
| Fuel Capacity (lbs) | - | 1642 |
| Useful Load Max Fuel (lbs) | - | 1692 |
| Payload Max Fuel (lbs) | 1100 | 658 |
| Max Baggage Weight (lbs) | 350 | - |
| Dimensions | ||
| Wingspan (ft) | 54.3 | 43.2 |
| Overall Height (ft) | 4.65 | 11.3 |
| Length (ft) | 14.86 | 29.7 |
| Cabin Height (ft) | 4.8 | 4 |
| Cabin Width (ft) | 4.5 | 4.1 |
| Cabin Width - Floor (ft) | 4.1 | - |
| Cabin Length (ft) | 12.6 | 12.3 |
| Cabin Length - Seating (ft) | 12.6 | - |
| Cabin Volume (cu. ft) | - | 165 |
| Baggage Volume Int. (cu. ft) | 48 | 20 |
| Engine | ||
| No. of Engines | 1 | 1 |
| Manufacturer | GE® Aerospace | Piper |
| Model | Catalyst™ | PT6A-42A |
| Horsepower | - | 600 |
| Flat Rating | - | ISA + 55 |
| FADEC | - | No |
| TBO (hrs) | - | 3600 |
| Fuel Capacity (gal) | - | 260 |
| Avionics | ||
| Flight Deck | Garmin G3000 | Garmin G3000 |
| Flight Rules | IFR | IFR |
| Standby Instrument | - | Aspen Avionics EFD1000 |
| FMS | 1 | - |
| Autopilot | 1 | 1 x Garmin GFC-700 |
| PFD | 2 | 2 |
| MFD | 1 | 1 |
| GPS | 1 | 2 x Garmin GIA64W |
| AHRS | - | 2 |
| ADC | - | 2 |
| Transponder | 1 | 1 x Garmin GTX-335R (ADS-B OUT) |
| VHF Com | 2 | 2 |
| VHF NAV | 2 | 2 |
| Cabin | ||
| Total Seats | 11 | 5 |
| Cockpit | 2 | 2 |
| Standard Cabin Seats | 7 | 4 |
| Max Cabin Seats | 9 | - |
| Min Crew | 1 | 1 |
| Lavatory | 1 Flushing | No |
| Lavatory Location | AFT | - |
| Galley / Refreshment | No | Refreshment Centre |
| Galley Location | - | MID |
| Max Cabin Altitude (ft) | - | 8644 |
| SL Cabin Altitude (ft) | 11065 | 12600 |
| Cabin Pressure (psi) | 5 | 5.6 |
| Other | ||
| Prop Manufacturer | - | Hartzell |
| Prop Description | - | 4-Blade Constant Speed Reverse |
| Gear Type | - | Retractable |
| Warranty | ||
| Pilot Training Credits | - | 1 |
| Airframe (Yrs) | - | 5 |
| Airframe (Hrs) | - | 1500 |
| Engine (Yrs) | - | 7 |
| Engine (Hrs) | - | 2500 |
| Prop (Yrs) | - | 5 |
| Prop (Hrs) | - | 1500 |
| Avionics (Yrs) | - | 5 |
| Performance | ||
| Max Cruise Speed (ktas) | 285 | 274 |
| Long Range Cruise (ktas) | - | 184 |
| Stall Speed - Clean (kias) | 75 | - |
| Max Range (nm) | 1600 | 1658 |
| Range @ 75% | - | 1385 |
| Max Range Crew + 4 (nm) | 1600 | - |
| Take-off FL (ft) | 2950 | - |
| Take-off Roll (ft) | - | 2635 |
| Take-Off (5000 / ISA + 10) | 3375 | 3998 |
| Landing >50ft Obst. (ft) | - | 2659 |
| Max Climb Rate (fpm) | - | 1556 |
| Service Ceiling (ft) | - | 30000 |