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Bell 525 Relentless vs Enstrom 480b vs Pilatus Pc 24 vs Piper M600 Sls

The Bell 525 Relentless and Enstrom 480B are helicopters, while the Pilatus PC-24 and Piper M600 SLS are fixed-wing airplanes, so they differ fundamentally in mission and infrastructure needs. The Bell 525 is a large, twin‑engine helicopter aimed at offshore and corporate transport; it typically offers the longest helicopter range of the two and the highest passenger capacity, commonly configured around a dozen-plus seats. The Enstrom 480B is a smaller, single‑engine utility helicopter, generally carrying about four to five passengers with shorter range than the Bell, and is often used for training, patrol, and light commercial work. Among the airplanes, the Pilatus PC‑24 is a twin‑engine light jet designed for fast travel and flexible runway access; it provides the greatest range and speed in this group and usually seats roughly six to ten passengers depending on layout. The Piper M600 SLS is a single‑engine turboprop optimized for owner‑pilots; it has less range and capacity than the PC‑24 but typically still carries about five to six passengers with strong efficiency for regional trips.

SpecBell 525 RelentlessPilatus PC-24Piper M600 SLS
Summary
Cockpit222
Min Crew211
Total Seats1866
Flight RulesIFRIFR
ManufacturerBellPilatusPiper
Aircraft Name525 RelentlessPC-24M600
CertificationFAA / EASAFAA / EASAFAA / EASA
Max Range (nm)58020761406
Max Cabin Seats1610
OEM VerificationVERIFIEDVERIFIEDVERIFIED
Useful Load (lbs)667566802200
Standard Cabin Seats1664
Flight Deck (Base Spec)Garmin G5000HPilatus ACE (Primus Apex)Garmin G3000
Max Cruise Speed (ktas)160440274
Base Aircraft Price (USD)$15,000,000$11,800,000$3,081,400
DOC / nm$ 3.71$ 2.19
DOC / nm / Seat$ 0.62$ 0.55
Direct Operating Cost$ 1,619$ 603
Cabin
Cockpit222
Min Crew211
Total Seats1865
Max Cabin Seats1610
Standard Cabin Seats1664
Lavatory1 Enclosed FlushingNo
Crew RestNo
Jump SeatNo
Cargo DoorYes
Galley LocationFWDMID
Lavatory LocationFWD
Cabin Pressure (psi)9.35.6
Galley / RefreshmentOptional Refreshment CenterRefreshment Centre
SL Cabin Altitude (ft)2350012600
Max Cabin Altitude (ft)8644
Engine
FADECDual-ChannelYesNo
ModelCT7-2F1FJ44-4A-QPMPT6A-42A
Fuel TypeJetFuel
TBO (hrs)400050003600
Horsepower1800600
No. of Engines221
Fuel Capacity (gal)641260
Flat RatingISA + 23ISA + 55
Thrust (lbs)3435
Dimensions
Width (ft)25.77
Length (ft)61.5852.229.7
Cabin Width (ft)7.585.64.1
Cabin Height (ft)4.55.14
Cabin Length (ft)15.52312.3
Overall Height (ft)18.1817.411.3
Rotor Diameter (ft)54.5
Baggage Volume Ext. (cu. ft)128
Wingspan (ft)55.843.2
Aisle Step (ft)Flat Floor
Cabin Width - Floor (ft)3.8
Cabin Length - Seating (ft)17
Baggage Volume Int. (cu. ft)9020
Cabin Volume (cu. ft)165