AIR.ONE

Beechcraft Baron G58 vs Beechcraft King Air 260 vs Piper M350

The Beechcraft Baron G58 is a light, piston‑twin primarily suited to personal and short business trips. It typically carries about five to six people including the pilot, with practical trip lengths commonly in the roughly 800–1,200 nautical mile range depending on power settings, winds, and payload. The Piper M350 is a pressurized, single‑engine piston aircraft aimed at comfortable owner‑flown travel at higher altitudes. It generally seats up to six, and its range is broadly similar to the Baron—often around 1,000–1,300 nautical miles in typical cruise planning—while offering the advantage of cabin pressurization for passenger comfort. The Beechcraft King Air 260 is a twin‑turboprop in a higher category, designed for corporate and utility missions with greater performance and payload flexibility. It commonly accommodates about six to nine passengers depending on interior configuration, and it usually supports longer legs, often around 1,500–2,000 nautical miles with appropriate reserves and loading.

SpecBeechcraft Baron G58Beechcraft King Air 260Piper M350
Summary
Cockpit222
DOC / nm$ 1.72$ 4.30$ 1.34
Total Seats686
Flight RulesIFRIFRVFR
ManufacturerBeechcraftBeechcraftPiper
Aircraft NameBaron G58KingAir 250M350
CertificationFAA / EASAFAA / EASAFAA / EASA
Max Range (nm)148014201343
DOC / nm / Seat$ 0.29$ 0.72$ 0.22
OEM VerificationUn-VerifiedVERIFIEDUn-Verified
Useful Load (lbs)145037601308
Standard Cabin Seats464
Direct Operating Cost$ 347$ 1,333$ 285
Flight Deck (Base Spec)Garmin G1000 NXiRockwell Collins Pro Line FusionGarmin G1000 NXi
Max Cruise Speed (ktas)202310213
Base Aircraft Price (USD) $1,495,000 $6,450,000$1,195,000
Min Crew1
Max Cabin Seats8
Cabin
Cockpit222
Total Seats686
Standard Cabin Seats464
Lavatory1 Flushing
Min Crew1
Max Cabin Seats8
Lavatory LocationAFT
Cabin Pressure (psi)6.55.6
Galley / RefreshmentNo
SL Cabin Altitude (ft)15293
Engine
FADECNoYesNo
ModelIO-550-CPT6A-52TIO-540-AE2A
Fuel TypeAvGasAvGas
TBO (hrs)170036002000
TBO (yrs)1212
Horsepower300850350
Fuel DeliveryFuel InjectedFuel Injected
No. of Engines211
Fuel Capacity (gal)194544120
Flat RatingISA + 37
Dimensions
Length (ft)29.943.829
Wingspan (ft)37.957.943
Cabin Width (ft)3.54.54.1
Cabin Height (ft)4.24.84
Cabin Length (ft)12.616.712.3
Overall Height (ft)9.814.811.4
Cabin Volume (cu. ft)150165
Baggage Volume Int. (cu. ft)465520
Cabin Width - Floor (ft)4.1
Cabin Length - Seating (ft)16.7
Baggage Volume Ext. (cu. ft)13