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Bell 525 Relentless vs Cessna 208b Grand Caravan Ex vs Dassault Falcon 8x vs Piaggio Avanti Evo

The Bell 525 Relentless is a modern super‑medium helicopter, optimized for vertical access and offshore/utility missions. Compared with the fixed‑wing aircraft here, its typical mission range is shorter, but it offers flexible point‑to‑point access without runways. Passenger capacity is generally in the mid‑teens depending on interior and mission configuration. The Cessna 208B Grand Caravan EX is a rugged single‑engine turboprop utility aircraft. It trades speed and luxury for simplicity and versatility, with a moderate range and typically seating around 9–14 occupants depending on layout and regulations. The Dassault Falcon 8X is a long‑range, large‑cabin tri‑jet business aircraft. It clearly leads this group in range, designed for intercontinental flights, and usually carries about 12–16 passengers in executive configurations, emphasizing comfort and high cruise speed. The Piaggio Avanti EVO is a fast, efficient twin‑turboprop business aircraft. Its range is typically greater than the Caravan’s but below the Falcon 8X, and it usually seats around 6–9 passengers, balancing speed, efficiency, and a compact executive cabin.

SpecBell 525 RelentlessDassault Falcon 8XPiaggio Avanti EVO
Summary
Cockpit222
Min Crew221
Total Seats18178
Flight RulesIFR—IFR
ManufacturerBellDassault FalconPiaggio
Aircraft Name525 Relentless8XAvanti EVO
CertificationFAA / EASAFAA / EASAFAA / EASA
Max Range (nm)58064501530
Max Cabin Seats16167
OEM VerificationVERIFIEDVERIFIEDUn-Verified
Useful Load (lbs)6675369003775
Standard Cabin Seats16146
Flight Deck (Base Spec)Garmin G5000HHoneywell Primus EASy IIRockwell Collins Pro Line 21
Max Cruise Speed (ktas)160516400
Base Aircraft Price (USD)$15,000,000$ 62,500,000$ 7,695,000
DOC / nm—$ 7.66—
DOC / nm / Seat—$ 0.64—
Direct Operating Cost—$ 3,805—
Cabin
Cockpit232
Min Crew221
Total Seats18178
Max Cabin Seats16167
Standard Cabin Seats16146
Lavatory—2 Enclosed FlushingNo
Crew Rest—No—
Jump Seat—Yes—
Galley Location—FWD—
Lavatory Location—FWD / AFT—
Cabin Pressure (psi)—10.29
Galley / Refreshment—GalleyNo
SL Cabin Altitude (ft)—2920024000
Max Cabin Altitude (ft)—39006600
Engine
FADECDual-ChannelYesYes
ModelCT7-2F1PW307DPT6A–66B
Fuel TypeJetFuel——
TBO (hrs)4000On-Condition3600
Horsepower1800—850
No. of Engines232
Fuel Capacity (gal)641——
Flat Rating—ISA + 17ISA + 28
Thrust (lbs)—6722—
Fuel Burn (gph)——100
Dimensions
Width (ft)25.77——
Length (ft)61.5880.247.3
Cabin Width (ft)7.587.76.1
Cabin Height (ft)4.56.25.8
Cabin Length (ft)15.542.714.9
Overall Height (ft)18.1826.113.1
Rotor Diameter (ft)54.5——
Baggage Volume Ext. (cu. ft)128——
Wingspan (ft)—86.347.1
Cabin Volume (cu. ft)—1695—
Cabin Width - Floor (ft)—6.33.5
Cabin Length - Seating (ft)—29.2—
Baggage Volume Int. (cu. ft)—14035.2