AIR.ONE

Beechcraft King Air 360 Er vs Bell 525 Relentless vs Gulfstream G700 vs Leonardo Aw189

The Beechcraft King Air 360ER is a pressurized twin‑turboprop business/utility airplane optimized for regional missions and short or unimproved runways. It typically carries about 6–9 passengers with roughly 1,500–1,800 nautical miles of range, depending on payload and conditions. The Bell 525 Relentless is a large, fly‑by‑wire civil helicopter aimed at offshore, corporate shuttle, and SAR roles; it generally seats around 12–16 passengers with about 500–600 nautical miles of range. The Gulfstream G700 is an ultra‑long‑range business jet built for intercontinental travel, commonly configured for about 10–19 passengers (maximum higher), with approximately 7,500 nautical miles of range. The Leonardo AW189 is a super‑medium twin helicopter used for offshore and utility transport; it typically carries about 16–19 passengers with roughly 450–550 nautical miles of range. Overall, the G700 leads on range and cruise speed, the King Air emphasizes flexible regional access and lower operating complexity, and the Bell 525 and AW189 trade speed for vertical‑lift access to remote sites and offshore platforms.

SpecBell 525 RelentlessGulfstream G700AGUSTA / LEONARDO AW189
Summary
Cockpit232
Min Crew241
Total Seats181621
Flight RulesIFR—IFR
ManufacturerBellGulfstreamLeonardo
Aircraft Name525 RelentlessG700AW189
CertificationFAA / EASAIn DevelopmentFAA / EASA
Max Range (nm)5807500651
Max Cabin Seats161919
OEM VerificationVERIFIEDUn-VerifiedUn-Verified
Useful Load (lbs)6675——
Standard Cabin Seats161219
Flight Deck (Base Spec)Garmin G5000HGulfstream Symmetry Flight DeckEFIS
Max Cruise Speed (ktas)160516155
Base Aircraft Price (USD)$15,000,000$78,000,000$2,413,000
DOC / nm——$ 15.57
DOC / nm / Seat——$ 0.74
Direct Operating Cost——$ 2,413
Cabin
Cockpit222
Min Crew241
Total Seats181621
Max Cabin Seats161919
Standard Cabin Seats161219
Crew Rest—Optional—
Jump Seat—Yes—
Galley Location—FWD—
Lavatory Location—FWD / AFT—
Engine
FADECDual-Channel—Yes
ModelCT7-2F1Pearl 700CT7-2E1
Fuel TypeJetFuel—JetFuel
TBO (hrs)4000On Condition4000
Horsepower1800—1983
No. of Engines222
Fuel Capacity (gal)641——
Thrust (lbs)—18250—
Dimensions
Width (ft)25.77——
Length (ft)61.58109.957.8
Cabin Width (ft)7.588.2—
Cabin Height (ft)4.56.25—
Cabin Length (ft)15.556.9—
Overall Height (ft)18.1825.416.6
Rotor Diameter (ft)54.5—48
Baggage Volume Ext. (cu. ft)128—85
Wingspan (ft)—103—
Aisle Step (ft)—Flat Floor—
Baggage Volume Int. (cu. ft)—195—
Cabin Volume (cu. ft)——395