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Bell 525 Relentless vs Enstrom 480b vs Sikorsky S 92

The Bell 525 Relentless and Sikorsky S-92 are large, twin‑engine helicopters aimed at offshore, corporate, and utility missions, while the Enstrom 480B is a much smaller, single‑engine helicopter typically used for training, patrol, and light utility work. In range, the Enstrom 480B generally offers the shortest endurance and mission radius, suited to regional flights rather than long overwater legs. The Bell 525 is designed for longer-range, higher-speed operations than light singles and is commonly positioned as a modern offshore-capable aircraft. The Sikorsky S-92 is also optimized for offshore transport, with long-range capability and strong all-weather performance, often favored where payload and mission robustness matter as much as distance. Passenger capacity follows the same pattern: the Enstrom 480B is a small-cabin aircraft carrying only a handful of people, whereas the Bell 525 and S-92 are in the “transport” class, typically configured to carry around a dozen or more passengers depending on interior layout and mission equipment.

SpecBell 525 RelentlessSikorsky S-92
Summary
Cockpit22
Min Crew22
Total Seats1821
Flight RulesIFRIFR
ManufacturerBellSikorsky
Aircraft Name525 RelentlessS-92
CertificationFAA / EASAFAA / EASA
Max Range (nm)580439
Max Cabin Seats1619
OEM VerificationVERIFIEDUn-Verified
Useful Load (lbs)66757417
Standard Cabin Seats1619
Flight Deck (Base Spec)Garmin G5000HEFIS
Max Cruise Speed (ktas)160155
Base Aircraft Price (USD)$15,000,000 $30,650,000
DOC / nm$ 19.79
DOC / nm / Seat$ 0.94
Direct Operating Cost$ 3,068
Cabin
Cockpit22
Min Crew22
Total Seats1821
Max Cabin Seats1619
Standard Cabin Seats1619
Engine
FADECDual-ChannelYes
ModelCT7-2F1CT7-8A
Fuel TypeJetFuelJetFuel
TBO (hrs)40004000
Horsepower18002520
No. of Engines21
Fuel Capacity (gal)641760
Dimensions
Width (ft)25.77
Length (ft)61.58
Cabin Width (ft)7.58
Cabin Height (ft)4.5
Cabin Length (ft)15.5
Overall Height (ft)18.1817.8
Rotor Diameter (ft)54.5
Baggage Volume Ext. (cu. ft)128140
Cabin Volume (cu. ft)775