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Bell 525 Relentless vs Boeing Bbj Max 9 vs Cessna 208b Grand Caravan Ex vs Piper M600 Sls

The Bell 525 Relentless is a super‑medium helicopter aimed at fast point‑to‑point travel without runways; it typically carries around 12–16 passengers in an executive layout and offers a practical range on the order of 500–600 nautical miles, making it well suited to offshore, remote-site, or urban helipad missions. The Boeing BBJ MAX 9 is a long‑range VIP airliner based on the 737 MAX 9; as a category it is a large, runway‑dependent jet, capable of true intercontinental legs (roughly 6,000+ nautical miles with auxiliary tanks) and can be outfitted for high‑capacity airline seating or a far lower VIP passenger count depending on interior. The Cessna 208B Grand Caravan EX is a single‑engine turboprop utility aircraft optimized for short, rough strips; it typically seats 9–14 and ranges roughly 800–1,000 nautical miles depending on payload. The Piper M600 SLS is a single‑engine turboprop personal aircraft; it usually carries 4–6 passengers and has a range around 600–700 nautical miles, prioritizing owner‑pilot simplicity over capacity.

SpecBell 525 RelentlessBoeing BBJ MAX 9Piper M600 SLS
Summary
Cockpit222
Min Crew241
Total Seats18126
Flight RulesIFRIFR
ManufacturerBellBoeingPiper
Aircraft Name525 RelentlessBBJ MAX 9M600
CertificationFAA / EASAFAA / EASAFAA / EASA
Max Range (nm)58063761406
Max Cabin Seats1635
OEM VerificationVERIFIEDVERIFIEDVERIFIED
Useful Load (lbs)6675771202200
Standard Cabin Seats1684
Flight Deck (Base Spec)Garmin G5000HHoneywellGarmin G3000
Max Cruise Speed (ktas)160470274
Base Aircraft Price (USD)$15,000,000$107,700,000$3,081,400
DOC / nm$ 15.74$ 2.19
DOC / nm / Seat$ 1.97$ 0.55
Direct Operating Cost$ 7,396$ 603
Cabin
Cockpit222
Min Crew241
Total Seats18105
Max Cabin Seats1635
Standard Cabin Seats1684
ConfigurationGreen Interior
Cabin Pressure (psi)95.6
SL Cabin Altitude (ft)2400012600
LavatoryNo
Galley LocationMID
Galley / RefreshmentRefreshment Centre
Max Cabin Altitude (ft)8644
Engine
FADECDual-ChannelYesNo
ModelCT7-2F1LEAP-1BPT6A-42A
Fuel TypeJetFuel
TBO (hrs)4000On-Condition3600
Horsepower1800600
No. of Engines221
Fuel Capacity (gal)641260
Flat RatingISA + 15ISA + 55
Thrust (lbs)28000
Dimensions
Width (ft)25.77
Length (ft)61.58138.429.7
Cabin Width (ft)7.5811.64.1
Cabin Height (ft)4.57.14
Cabin Length (ft)15.5107.212.3
Overall Height (ft)18.1840.311.3
Rotor Diameter (ft)54.5
Baggage Volume Ext. (cu. ft)1281485
Wingspan (ft)117.943.2
Aisle Step (ft)Flat Floor
Cabin Width - Floor (ft)10.7
Cabin Length - Seating (ft)100.6
Cabin Volume (cu. ft)165
Baggage Volume Int. (cu. ft)20