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Beechcraft King Air 360 Er vs Bell 525 Relentless vs Cessna 208b Grand Caravan Ex vs Cessna Citation Xls

The Beechcraft King Air 360ER is a pressurized twin‑turboprop business aircraft suited to regional missions, offering long endurance for its class at roughly 1,500–1,800 nm and typically seating about 6–9 passengers in executive layouts. The Bell 525 Relentless is a large, long‑range helicopter aimed at offshore, VIP, and utility roles; its range is generally around 500–600 nm with typical seating in the mid‑teens, depending on configuration. The Cessna 208B Grand Caravan EX is a single‑turboprop utility aircraft optimized for short, rugged strips and cargo/passenger flexibility; it commonly carries up to 9 passengers (or more in commuter configurations where permitted) with a range often around 800–1,000 nm. The Cessna Citation XLS+ is a midsize business jet designed for faster point‑to‑point travel, typically seating about 7–9 passengers with a range around 1,800–2,100 nm, trading turboprop short‑field versatility for higher cruise speed and jet comfort.

SpecBell 525 RelentlessCessna Citation XLS+
Summary
Cockpit22
Min Crew22
Total Seats1810
Flight RulesIFR
ManufacturerBellCessna Citation
Aircraft Name525 RelentlessXLS+
CertificationFAA / EASAFAA / EASA
Max Range (nm)5801906
Max Cabin Seats169
OEM VerificationVERIFIEDVERIFIED
Useful Load (lbs)66757540
Standard Cabin Seats168
Flight Deck (Base Spec)Garmin G5000HRockwell Collins Pro Line 21
Max Cruise Speed (ktas)160430
Base Aircraft Price (USD)$15,000,000$15,500,000
DOC / nm$ 5.34
DOC / nm / Seat$ 0.67
Direct Operating Cost$ 2,303
Cabin
Cockpit22
Min Crew22
Total Seats1810
Max Cabin Seats169
Standard Cabin Seats168
Lavatory1 Enclosed Belted Flushing
Crew RestNo
Jump SeatNo
Galley LocationFWD
Lavatory LocationAFT
Cabin Pressure (psi)9.3
Galley / RefreshmentGalley
SL Cabin Altitude (ft)25230
Engine
FADECDual-ChannelYes
ModelCT7-2F1PW545C
Fuel TypeJetFuel
TBO (hrs)40005000
Horsepower1800
No. of Engines22
Fuel Capacity (gal)641
Flat RatingISA + 10
Thrust (lbs)4119
Dimensions
Width (ft)25.77
Length (ft)61.5852.5
Cabin Width (ft)7.585.5
Cabin Height (ft)4.55.7
Cabin Length (ft)15.518.5
Overall Height (ft)18.1817.2
Rotor Diameter (ft)54.5
Baggage Volume Ext. (cu. ft)12880
Wingspan (ft)56.3
Aisle Step (ft)0.7
Cabin Width - Floor (ft)3.9
Cabin Length - Seating (ft)14.3
Baggage Volume Int. (cu. ft)10