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Bell 525 Relentless vs Gulfstream G700 vs Pilatus Pc 24 vs Robinson R66

The Bell 525 Relentless and Robinson R66 are helicopters, while the Gulfstream G700 and Pilatus PC-24 are fixed‑wing business aircraft, so they serve very different missions. The Gulfstream G700 is an ultra‑long‑range large‑cabin business jet designed for intercontinental travel; it offers the greatest range by far and typically carries a larger group in a high‑comfort cabin. The Pilatus PC‑24 is a light jet optimized for flexibility, including operations into shorter or less‑developed runways; its range is far shorter than the G700 but it still supports regional and some transcontinental missions, usually with a moderate passenger load. The Bell 525 is a modern “super‑medium” helicopter aimed at fast point‑to‑point access without runways, with range suited to regional legs and a cabin that can carry a sizable group for a helicopter. The Robinson R66 is a smaller, lighter turbine helicopter with the shortest range and the lowest passenger capacity of the four, best for short hops and utility or personal transport.

SpecBell 525 RelentlessGulfstream G700Pilatus PC-24
Summary
Cockpit232
Min Crew241
Total Seats18166
Flight RulesIFR——
ManufacturerBellGulfstreamPilatus
Aircraft Name525 RelentlessG700PC-24
CertificationFAA / EASAIn DevelopmentFAA / EASA
Max Range (nm)58075002076
Max Cabin Seats161910
OEM VerificationVERIFIEDUn-VerifiedVERIFIED
Useful Load (lbs)6675—6680
Standard Cabin Seats16126
Flight Deck (Base Spec)Garmin G5000HGulfstream Symmetry Flight DeckPilatus ACE (Primus Apex)
Max Cruise Speed (ktas)160516440
Base Aircraft Price (USD)$15,000,000$78,000,000$11,800,000
DOC / nm——$ 3.71
DOC / nm / Seat——$ 0.62
Direct Operating Cost——$ 1,619
Cabin
Cockpit222
Min Crew241
Total Seats18166
Max Cabin Seats161910
Standard Cabin Seats16126
Crew Rest—OptionalNo
Jump Seat—YesNo
Galley Location—FWDFWD
Lavatory Location—FWD / AFTFWD
Lavatory——1 Enclosed Flushing
Cargo Door——Yes
Cabin Pressure (psi)——9.3
Galley / Refreshment——Optional Refreshment Center
SL Cabin Altitude (ft)——23500
Engine
FADECDual-Channel—Yes
ModelCT7-2F1Pearl 700FJ44-4A-QPM
Fuel TypeJetFuel——
TBO (hrs)4000On Condition5000
Horsepower1800——
No. of Engines222
Fuel Capacity (gal)641——
Thrust (lbs)—182503435
Flat Rating——ISA + 23
Dimensions
Width (ft)25.77——
Length (ft)61.58109.952.2
Cabin Width (ft)7.588.25.6
Cabin Height (ft)4.56.255.1
Cabin Length (ft)15.556.923
Overall Height (ft)18.1825.417.4
Rotor Diameter (ft)54.5——
Baggage Volume Ext. (cu. ft)128——
Wingspan (ft)—10355.8
Aisle Step (ft)—Flat FloorFlat Floor
Baggage Volume Int. (cu. ft)—19590
Cabin Width - Floor (ft)——3.8
Cabin Length - Seating (ft)——17