Compare Beechcraft Baron G58 vs Piper M350 vs Piper Seneca
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| Manufacturer | Beechcraft | Piper | Piper |
| Aircraft Type | Baron G58 | M350 | Seneca |
| Base Aircraft Price (USD) | $1,495,000 | $1,195,000 | $1,095,000 |
| Direct Operating Cost | $ 347 | $ 285 | $ 337 |
| DOC / nm | $ 1.72 | $ 1.34 | $ 1.69 |
| DOC / nm / Seat | $ 0.29 | $ 0.22 | $ 0.28 |
| Max Cruise Speed (ktas) | 202 | 213 | 200 |
| Max Range (nm) | 1480 | 1343 | 828 |
| Useful Load (lbs) | 1450 | 1308 | 1331 |
| Total Seats | 6 | 6 | 6 |
| Cockpit | 2 | 2 | 2 |
| Standard Cabin Seats | 4 | 4 | 4 |
| Flight Deck (Base Spec) | Garmin G1000 NXi | Garmin G1000 NXi | Garmin G1000 NXi |
| Flight Rules | IFR | VFR (IFR Optional) | IFR |
| Certification | FAA / EASA | FAA / EASA | FAA / EASA |
| OEM Verification | Un-Verified | Un-Verified | Un-Verified |
| Weights | |||
| MRAMP (lbs) | - | 4358 | - |
| MTOW (lbs) | 5500 | 4340 | 4750 |
| MLW (lbs) | 5400 | 4123 | - |
| MZFW (lbs) | - | 4123 | - |
| BEW (lbs) | 4050 | 3050 | 3442 |
| Useful Load (lbs) | 1450 | 1308 | 1331 |
| Fuel Capacity (lbs) | 1164 | 720 | 732 |
| Useful Load Max Fuel (lbs) | 286 | 588 | 599 |
| Max Baggage Weight (lbs) | 420 | - | - |
| Dimensions | |||
| Wingspan (ft) | 37.9 | 43 | 39 |
| Overall Height (ft) | 9.8 | 11.4 | 10 |
| Length (ft) | 29.9 | 29 | 28.6 |
| Cabin Height (ft) | 4.2 | 4 | - |
| Cabin Width (ft) | 3.5 | 4.1 | - |
| Cabin Length (ft) | 12.6 | 12.3 | - |
| Cabin Volume (cu. ft) | 150 | 165 | - |
| Baggage Volume Int. (cu. ft) | 46 | 20 | - |
| Baggage Volume Ext. (cu. ft) | - | 13 | - |
| Engine | |||
| No. of Engines | 2 | 1 | 2 |
| Manufacturer | Beechcraft | Piper | Piper |
| Model | IO-550-C | TIO-540-AE2A | TSIO-360-RB |
| Horsepower | 300 | 350 | 220 |
| FADEC | No | No | No |
| TBO (hrs) | 1700 | 2000 | 1800 |
| TBO (yrs) | 12 | 12 | - |
| Fuel Type | AvGas | AvGas | AvGas |
| Fuel Delivery | Fuel Injected | Fuel Injected | Fuel Injected |
| Fuel Capacity (gal) | 194 | 120 | 122 |
| Avionics | |||
| Flight Deck | Garmin G1000 NXi | Garmin G1000 NXi | Garmin G1000 NXi |
| Flight Rules | IFR | VFR (IFR Optional) | IFR |
| Standby Instrument | - | Aspen Avionics EFD1000 | Aspen Avionics EFD1000 |
| Autopilot | Garmin GFC 700 | Garmin GFC 700 | Garmin GFC 700 |
| PFD | 1 | 2 | 1 |
| MFD | 1 | 1 | 1 |
| GPS | 1 | 2 x Garmin GIA-64 WAAS | 1 |
| AHRS | - | 2 | - |
| Flight Director | - | 1 | 1 |
| ADC | - | 2 | - |
| Transponder | 1 | 1 x Garmin GTX335R (ADS-B OUT) | 1 |
| VHF Com | 1 | 2 | 1 |
| VHF NAV | 1 | 2 | 1 |
| Cabin | |||
| Total Seats | 6 | 6 | 6 |
| Cockpit | 2 | 2 | 2 |
| Standard Cabin Seats | 4 | 4 | 4 |
| Cabin Pressure (psi) | - | 5.6 | - |
| Other | |||
| Prop Manufacturer | McCauley | Hartzell | McCauley |
| Prop Description | 3-Blade Constant | 3-Blade Composite Constant | 3-Blade Constant Feathering |
| Prop Diameter | - | 80 | - |
| Gear Type | Retractable | Retractable | Retractable |
| Warranty | |||
| Pilot Training Credits | - | 1 | - |
| Airframe (Yrs) | - | 2 | 2 |
| Engine (Yrs) | - | 2 | 3 |
| Prop (Yrs) | - | 5 | 3 |
| Prop (Hrs) | - | 1500 | - |
| Avionics (Yrs) | - | 2 | 2 |
| Performance | |||
| Max Cruise Speed (ktas) | 202 | 213 | 200 |
| Long Range Cruise (ktas) | 163 | 213 | 200 |
| Stall Speed - Clean (kias) | 73 | - | - |
| Max Range (nm) | 1480 | 1343 | 828 |
| Take-off Roll (ft) | 2345 | 1087 | 1143 |
| Take-Off >50ft Obst. (ft) | - | 2090 | 1707 |
| Landing Roll (ft) | 2490 | 1020 | 1400 |
| Landing >50ft Obst. (ft) | - | 1968 | 2180 |
| Max Climb Rate (fpm) | 1700 | - | - |
| Service Ceiling (ft) | 20688 | 25000 | 25000 |