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Beechcraft King Air 360 Er vs Bell 525 Relentless vs Cessna 208b Grand Caravan Ex vs Gulfstream G700

The Beechcraft King Air 360ER is a twin‑turboprop business aircraft in the light-to-midsize category, optimized for efficient regional missions. It offers long endurance for its class, typically around 1,500–1,800 nm depending on payload and conditions, and commonly carries about 6–9 passengers in executive layouts. The Cessna 208B Grand Caravan EX is a single‑turboprop utility aircraft focused on rugged, short-field and cargo-friendly operations rather than speed; it usually ranges roughly 900–1,200 nm and seats up to about 9–14 passengers depending on configuration and regulations. The Bell 525 Relentless is a super‑medium helicopter aimed at offshore, executive, and SAR roles; it trades fixed‑wing speed for vertical lift and access, with a typical range around 500–600 nm and seating often in the mid‑teens, commonly about 12–16. The Gulfstream G700 is an ultra‑long‑range large-cabin business jet, designed for intercontinental travel; it can reach roughly 7,500 nm class range and typically carries about 13–19 passengers in high-end cabin configurations.

SpecBell 525 RelentlessGulfstream G700
Summary
Cockpit23
Min Crew24
Total Seats1816
Flight RulesIFR
ManufacturerBellGulfstream
Aircraft Name525 RelentlessG700
CertificationFAA / EASAIn Development
Max Range (nm)5807500
Max Cabin Seats1619
OEM VerificationVERIFIEDUn-Verified
Useful Load (lbs)6675
Standard Cabin Seats1612
Flight Deck (Base Spec)Garmin G5000HGulfstream Symmetry Flight Deck
Max Cruise Speed (ktas)160516
Base Aircraft Price (USD)$15,000,000$78,000,000
Cabin
Cockpit22
Min Crew24
Total Seats1816
Max Cabin Seats1619
Standard Cabin Seats1612
Crew RestOptional
Jump SeatYes
Galley LocationFWD
Lavatory LocationFWD / AFT
Engine
FADECDual-Channel
ModelCT7-2F1Pearl 700
Fuel TypeJetFuel
TBO (hrs)4000On Condition
Horsepower1800
No. of Engines22
Fuel Capacity (gal)641
Thrust (lbs)18250
Dimensions
Width (ft)25.77
Length (ft)61.58109.9
Cabin Width (ft)7.588.2
Cabin Height (ft)4.56.25
Cabin Length (ft)15.556.9
Overall Height (ft)18.1825.4
Rotor Diameter (ft)54.5
Baggage Volume Ext. (cu. ft)128
Wingspan (ft)103
Aisle Step (ft)Flat Floor
Baggage Volume Int. (cu. ft)195