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Bell 525 Relentless vs Daher Tbm 960 vs Md Helicopters (mcdonnell Douglas) 902 Explorer vs Piper M600 Sls

The Bell 525 Relentless and the MD Helicopters (McDonnell Douglas) 902 Explorer are rotorcraft, while the Daher TBM 960 and Piper M600 SLS are single‑engine turboprop airplanes. In category terms, the Bell 525 is a larger, modern “super‑medium” twin‑engine helicopter aimed at offshore, corporate, and utility missions, whereas the 902 Explorer is a lighter twin‑engine helicopter commonly used for law enforcement, EMS support, and passenger/utility work. The TBM 960 and M600 SLS are pressurized, high‑performance personal/business transports; the TBM is generally positioned as the faster, longer‑legged executive single, while the M600 SLS emphasizes owner‑pilot simplicity and automation. On range, the TBM 960 typically offers the longest reach, followed by the Piper M600 SLS; both generally exceed the practical point‑to‑point range of the helicopters. Between the helicopters, the Bell 525 usually has greater range than the 902 Explorer. For passenger capacity, the Bell 525 typically carries the most (often up to around 16–20 seats depending on configuration). The 902 Explorer is commonly configured for roughly 6–8 passengers. The TBM 960 and M600 SLS usually seat about 5–6 passengers plus a pilot, depending on layout.

SpecBell 525 RelentlessDaher TBM 960Piper M600 SLS
Summary
Cockpit222
Min Crew211
Total Seats1866
Flight RulesIFRIFRIFR
ManufacturerBellDaher TBMPiper
Aircraft Name525 RelentlessTBM 960M600
CertificationFAA / EASAFAA / EASAFAA / EASA
Max Range (nm)58017301406
Max Cabin Seats16
OEM VerificationVERIFIEDUn-VerifiedVERIFIED
Useful Load (lbs)667529082200
Standard Cabin Seats1644
Flight Deck (Base Spec)Garmin G5000HGarmin G3000Garmin G3000
Max Cruise Speed (ktas)160330274
Base Aircraft Price (USD)$15,000,000$4,450,000$3,081,400
DOC / nm$ 2.25$ 2.19
Aircraft TypeTurbo Prop
DOC / nm / Seat$ 0.56$ 0.55
Direct Operating Cost$ 744$ 603
Cabin
Cockpit222
Min Crew211
Total Seats1865
Max Cabin Seats16
Standard Cabin Seats1644
LavatoryNoNo
Galley LocationMIDMID
Cabin Pressure (psi)6.25.6
SL Cabin Altitude (ft)1439012600
Galley / RefreshmentRefreshment Centre
Max Cabin Altitude (ft)8644
Engine
FADECDual-ChannelYesNo
ModelCT7-2F1TBM 960PT6A-42A
Fuel TypeJetFuel
TBO (hrs)400035003600
Horsepower1800850600
No. of Engines21
Fuel Capacity (gal)641260
Flat RatingISA + 49ISA + 55
Dimensions
Width (ft)25.77
Length (ft)61.5835.329.7
Cabin Width (ft)7.5844.1
Cabin Height (ft)4.54.14
Cabin Length (ft)15.513.412.3
Overall Height (ft)18.1811.3
Rotor Diameter (ft)54.5
Baggage Volume Ext. (cu. ft)128
Wingspan (ft)42.143.2
Cabin Volume (cu. ft)123165
Baggage Volume Int. (cu. ft)20