Compare Beechcraft King Air 260 vs Daher TBM 960 vs Piper M350 vs Piper M500
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| Manufacturer | Beechcraft | Daher TBM | Piper | Piper |
| Aircraft Type | KingAir 250 | TBM 960 | M350 | M500 |
| Base Aircraft Price (USD) | $6,450,000 | $4,450,000 | $1,195,000 | $2,122,600 |
| Direct Operating Cost | $ 1,333 | $ 744 | $ 285 | $ 579 |
| DOC / nm | $ 4.30 | $ 2.25 | $ 1.34 | $ 3.11 |
| DOC / nm / Seat | $ 0.72 | $ 0.56 | $ 0.22 | $ 0.78 |
| Max Cruise Speed (ktas) | 310 | 330 | 213 | 260 |
| Max Range (nm) | 1420 | 1730 | 1343 | 1000 |
| Useful Load (lbs) | 3760 | 2601 | 1308 | 2300 |
| Total Seats | 8 | 6 | 6 | 5 |
| Cockpit | 2 | 2 | 2 | 2 |
| Standard Cabin Seats | 6 | 4 | 4 | 4 |
| Max Cabin Seats | 8 | - | - | - |
| Min Crew | 1 | 1 | - | 1 |
| Flight Deck (Base Spec) | Rockwell Collins Pro Line Fusion | Garmin G3000 | Garmin G1000 NXi | Garmin G1000 NXi |
| Flight Rules | IFR | IFR | VFR (IFR Optional) | IFR |
| Certification | FAA / EASA | FAA / EASA | FAA / EASA | FAA / EASA |
| OEM Verification | VERIFIED | Un-Verified | Un-Verified | VERIFIED |
| Weights | ||||
| MRAMP (lbs) | 12590 | 7430 | 4358 | 5134 |
| MTOW (lbs) | 12500 | 7394 | 4340 | 5092 |
| MLW (lbs) | 12500 | 7024 | 4123 | 4850 |
| MZFW (lbs) | 11000 | 6032 | 4123 | 4850 |
| BOW (lbs) | 8830 | 4629 | - | 3436 |
| BEW (lbs) | 8740 | - | 3050 | 2792 |
| Useful Load (lbs) | 3760 | 2601 | 1308 | 2300 |
| Max Payload (lbs) | 2170 | 1403 | - | 1707 |
| Fuel Capacity (lbs) | 3645 | 2017 | 720 | 1020 |
| Useful Load Max Fuel (lbs) | - | - | 588 | - |
| Payload Max Fuel (lbs) | 115 | 891 | - | 559 |
| Max Baggage Weight (lbs) | 550 | 507 | - | - |
| Dimensions | ||||
| Wingspan (ft) | 57.9 | 42.1 | 43 | 43.2 |
| Overall Height (ft) | 14.8 | - | 11.4 | 11.3 |
| Length (ft) | 43.8 | 35.3 | 29 | 29.6 |
| Cabin Height (ft) | 4.8 | 4.1 | 4 | 4 |
| Cabin Width (ft) | 4.5 | 4 | 4.1 | 4.1 |
| Cabin Width - Floor (ft) | 4.1 | - | - | - |
| Cabin Length (ft) | 16.7 | 13.4 | 12.3 | 12.3 |
| Cabin Length - Seating (ft) | 16.7 | - | - | - |
| Cabin Volume (cu. ft) | - | 123 | 165 | 165 |
| Baggage Volume Int. (cu. ft) | 55 | - | 20 | 20 |
| Baggage Volume Ext. (cu. ft) | - | - | 13 | - |
| Engine | ||||
| No. of Engines | 1 | - | 1 | 1 |
| Manufacturer | Beechcraft | Daher TBM | Piper | Piper |
| Model | PT6A-52 | TBM 960 | TIO-540-AE2A | PT6A-42A |
| Horsepower | 850 | 850 | 350 | 500 |
| Flat Rating | ISA + 37 | ISA + 49 | - | ISA + 55 |
| FADEC | Yes | Yes | No | No |
| TBO (hrs) | 3600 | 3500 | 2000 | 3600 |
| TBO (yrs) | - | - | 12 | - |
| Fuel Type | - | - | AvGas | - |
| Fuel Delivery | - | - | Fuel Injected | - |
| Fuel Capacity (gal) | 544 | - | 120 | 170 |
| Avionics | ||||
| Flight Deck | Rockwell Collins Pro Line Fusion | Garmin G3000 | Garmin G1000 NXi | Garmin G1000 NXi |
| Flight Rules | IFR | IFR | VFR (IFR Optional) | IFR |
| Standby Instrument | - | - | Aspen Avionics EFD1000 | Aspen Avionics EFD1000 |
| FMS | 1 | - | - | - |
| Autopilot | 1 | 1 | Garmin GFC 700 | 1 x Garmin GFC 700 |
| PFD | 2 | 2 | 2 | 2 |
| MFD | 1 | 1 | 1 | 1 |
| GPS | 1 | 1 | 2 x Garmin GIA-64 WAAS | 2 x Garmin GIA64W |
| AHRS | 1 | - | 2 | 2 |
| Flight Director | - | - | 1 | - |
| ADC | - | - | 2 | 2 |
| Transponder | 1 | 1 | 1 x Garmin GTX335R (ADS-B OUT) | 1 x Garmin GTX-335R (ADS-B OUT) |
| VHF Com | 2 | 2 | 2 | 2 |
| VHF NAV | 2 | 2 | 2 | 2 |
| Cabin | ||||
| Total Seats | 8 | 6 | 6 | 5 |
| Cockpit | 2 | 2 | 2 | 2 |
| Standard Cabin Seats | 6 | 4 | 4 | 4 |
| Max Cabin Seats | 8 | - | - | - |
| Min Crew | 1 | 1 | - | 1 |
| Lavatory | 1 Flushing | No | - | No |
| Lavatory Location | AFT | - | - | - |
| Galley / Refreshment | No | - | - | Refreshment Centre |
| Galley Location | - | MID | - | MID |
| Max Cabin Altitude (ft) | - | - | - | 8244 |
| SL Cabin Altitude (ft) | 15293 | 14390 | - | 12600 |
| Cabin Pressure (psi) | 6.5 | 6.2 | 5.6 | 5.5 |
| Other | ||||
| Prop Manufacturer | Hartzell | - | Hartzell | Hartzell |
| Prop Description | 4-Blade Constant Feathering Reverse | - | 3-Blade Composite Constant | 4-Blade Constant Speed Reverse |
| Prop Diameter | - | - | 80 | 82.5 |
| Gear Type | Retractable | Retractable | Retractable | Retractable |
| Warranty | ||||
| Pilot Training Credits | - | - | 1 | 1 |
| Airframe (Yrs) | - | - | 2 | 3 |
| Engine (Yrs) | - | - | 2 | 7 |
| Engine (Hrs) | - | - | - | 2500 |
| Prop (Yrs) | - | - | 5 | 5 |
| Prop (Hrs) | - | - | 1500 | 1500 |
| Avionics (Yrs) | - | - | 2 | 3 |
| Performance | ||||
| Max Cruise Speed (ktas) | 310 | 330 | 213 | 260 |
| Long Range Cruise (ktas) | 256 | 252 | 213 | 157 |
| Stall Speed - Clean (kias) | 80 | - | - | - |
| Max Range (nm) | 1420 | 1730 | 1343 | 1000 |
| Range @ 85% (nm) | - | 1440 | - | - |
| Range @ 75% | - | 1594 | - | - |
| Max Range Crew + 4 (nm) | 1038 | - | - | - |
| Take-off FL (ft) | 2111 | - | - | - |
| Take-off Roll (ft) | - | - | 1087 | 1650 |
| Take-Off >50ft Obst. (ft) | - | 2380 | 2090 | 2438 |
| Take-Off (5000 / ISA + 10) | 3099 | 3475 | - | 2973 |
| Landing Roll (ft) | - | - | 1020 | 1020 |
| Landing >50ft Obst. (ft) | 2845 | 2430 | 1968 | 2110 |
| Max Climb Rate (fpm) | 2450 | - | - | 1600 |
| Service Ceiling (ft) | 35000 | 31000 | 25000 | 28000 |