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Airbus Helicopters H225 vs Bell 525 Relentless vs Gulfstream G700 vs Piaggio Avanti Evo

The Airbus H225 and Bell 525 Relentless are large helicopters, while the Gulfstream G700 and Piaggio Avanti EVO are fixed‑wing business aircraft. For range, the G700 is in a different class, built for ultra‑long‑range intercontinental missions (around 7,500 nautical miles). The Avanti EVO is a short‑to‑midrange turboprop business aircraft, typically suited to regional trips (roughly 1,500–1,800 nautical miles, depending on payload and reserves). The H225 is a long‑range heavy helicopter designed for offshore transport, SAR, and utility work, with practical mission ranges commonly in the several‑hundred‑nautical‑mile class (about 500+ nm depending on configuration). The Bell 525 is a super‑medium helicopter aimed at executive and offshore roles, with range generally similar in order of magnitude, often quoted around the mid‑600‑nautical‑mile class. For passenger capacity, the G700 typically seats in the low‑to‑mid teens in executive layouts, the Avanti EVO usually seats about 7–9, the Bell 525 commonly carries around 12–16, and the H225 can carry more, often around 19 and up to the mid‑20s in high‑density configurations.

SpecAIRBUS H225Bell 525 RelentlessGulfstream G700Piaggio Avanti EVO
Summary
Cockpit2232
DOC / nm$ 20.87
Min Crew2241
Total Seats2118168
Flight RulesIFRIFRIFR
ManufacturerAirbus HelicoptersBellGulfstreamPiaggio
Aircraft NameH225525 RelentlessG700Avanti EVO
CertificationFAA / EASAFAA / EASAIn DevelopmentFAA / EASA
Max Range (nm)45458075001530
DOC / nm / Seat$ 0.99
Max Cabin Seats2816197
OEM VerificationUn-VerifiedVERIFIEDUn-VerifiedUn-Verified
Useful Load (lbs)1192966753775
Standard Cabin Seats1916126
Direct Operating Cost$ 2,963
Flight Deck (Base Spec)EFISGarmin G5000HGulfstream Symmetry Flight DeckRockwell Collins Pro Line 21
Max Cruise Speed (ktas)142160516400
Base Aircraft Price (USD)$ 29,500,000$15,000,000$78,000,000$ 7,695,000
Cabin
Cockpit2222
Min Crew2241
Total Seats2118168
Max Cabin Seats2816197
Standard Cabin Seats1916126
Crew RestOptional
Jump SeatYes
Galley LocationFWD
Lavatory LocationFWD / AFT
LavatoryNo
Cabin Pressure (psi)9
Galley / RefreshmentNo
SL Cabin Altitude (ft)24000
Max Cabin Altitude (ft)6600
Engine
FADECYesDual-ChannelYes
ModelMakila 2A1CT7-2F1Pearl 700PT6A–66B
Fuel TypeJetFuelJetFuel
TBO (hrs)35004000On Condition3600
Horsepower21001800850
No. of Engines2222
Fuel Capacity (gal)684641
Thrust (lbs)18250
Flat RatingISA + 28
Fuel Burn (gph)100
Dimensions
Length (ft)63.461.58109.947.3
Overall Height (ft)16.318.1825.413.1
Rotor Diameter (ft)53.254.5
Cabin Volume (cu. ft)547
Width (ft)25.77
Cabin Width (ft)7.588.26.1
Cabin Height (ft)4.56.255.8
Cabin Length (ft)15.556.914.9
Baggage Volume Ext. (cu. ft)128
Wingspan (ft)10347.1
Aisle Step (ft)Flat Floor
Baggage Volume Int. (cu. ft)19535.2
Cabin Width - Floor (ft)3.5