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Bell 525 Relentless vs Bombardier Global 7500 vs Enstrom 480b vs Piaggio Avanti Evo

The Bell 525 Relentless and Enstrom 480B are helicopters, while the Bombardier Global 7500 and Piaggio Avanti EVO are fixed‑wing business aircraft. For category and mission, the Bell 525 is a large, fly‑by‑wire super‑medium helicopter aimed at offshore and high‑utilization transport; the Enstrom 480B is a light single‑engine utility helicopter typically used for training, patrol, and short‑range passenger work. In range, the Global 7500 dominates as an ultra‑long‑range business jet capable of roughly 7,700 nautical miles, enabling intercontinental nonstop flights. The Piaggio Avanti EVO sits in the middle as a high‑speed twin‑turboprop with about 1,700–1,800 nautical miles of range, suited to regional business travel. Helicopter range is much shorter: the Bell 525 is roughly in the 500–600 nautical mile class depending on configuration, and the Enstrom 480B is closer to about 300 nautical miles. For passenger capacity, the Global 7500 typically carries around 8–19 depending on layout; the Avanti EVO usually seats about 6–9; the Bell 525 commonly seats around 12–16 in transport layouts; and the Enstrom 480B carries about 4–5 including the pilot.

SpecBell 525 RelentlessBombardier Global 7500Piaggio Avanti EVO
Summary
Cockpit222
Min Crew221
Total Seats18148
Flight RulesIFRIFR
ManufacturerBellBombardierPiaggio
Aircraft Name525 RelentlessGlobal 7500Avanti EVO
CertificationFAA / EASAFAA / EASAFAA / EASA
Max Range (nm)58077001530
Max Cabin Seats16197
OEM VerificationVERIFIEDVERIFIEDUn-Verified
Useful Load (lbs)66753775
Standard Cabin Seats16126
Flight Deck (Base Spec)Garmin G5000HBombardier Vision (Pro Line Fusion)Rockwell Collins Pro Line 21
Max Cruise Speed (ktas)160516400
Base Aircraft Price (USD)$15,000,000$75,000,000$ 7,695,000
DOC / nm$ 9.50
Aircraft TypeBusiness Jet
DOC / nm / Seat$ 0.79
Direct Operating Cost$ 4,900
Cabin
Cockpit222
Min Crew221
Total Seats18148
Max Cabin Seats16197
Standard Cabin Seats16126
Lavatory2 Enclosed FlushingNo
Crew RestYes
Jump SeatYes
Galley LocationFWD
Lavatory LocationFWD / AFT
Galley / RefreshmentGalleyNo
Max Cabin Altitude (ft)45006600
Cabin Pressure (psi)9
SL Cabin Altitude (ft)24000
Engine
FADECDual-ChannelYesYes
ModelCT7-2F1PassportPT6A–66B
Fuel TypeJetFuel
TBO (hrs)4000On-Condition3600
Horsepower1800850
No. of Engines222
Fuel Capacity (gal)641
Flat RatingISA + 15ISA + 28
Thrust (lbs)18920
Fuel Burn (gph)100
Dimensions
Width (ft)25.77
Length (ft)61.5811147.3
Cabin Width (ft)7.5886.1
Cabin Height (ft)4.56.25.8
Cabin Length (ft)15.554.514.9
Overall Height (ft)18.182713.1
Rotor Diameter (ft)54.5
Baggage Volume Ext. (cu. ft)128
Wingspan (ft)10447.1
Cabin Width - Floor (ft)3.5
Baggage Volume Int. (cu. ft)35.2