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Bell 525 Relentless vs Md Helicopters (mcdonnell Douglas) 902 Explorer vs Piaggio Avanti Evo vs Sikorsky S 92

The Bell 525 Relentless, MD Helicopters (McDonnell Douglas) 902 Explorer, and Sikorsky S-92 are helicopters, while the Piaggio Avanti EVO is a fixed‑wing twin‑turboprop aircraft. In category, the MD 902 is a light twin designed for short-to-medium missions and notable for its NOTAR anti-torque system; the Bell 525 is a modern super‑medium twin aimed at offshore and corporate transport; and the Sikorsky S‑92 is a heavy twin commonly used for offshore and high‑capacity utility/VIP roles. The Avanti EVO fills a different niche as a fast business aircraft optimized for efficient point‑to‑point travel between runways. In range, the Avanti EVO generally offers the longest legs among these, typically around 1,500–1,800 nautical miles depending on configuration, while the S‑92 and Bell 525 are usually in the several-hundred‑nautical‑mile class, often roughly 500–700 nautical miles. The MD 902 is shorter-range, commonly around 300–400 nautical miles. For passenger capacity, the MD 902 typically seats about 7–8, the Avanti EVO usually carries around 7–9, the Bell 525 is commonly configured around 12–16, and the S‑92 is the largest, often around 19 passengers in transport layouts.

SpecBell 525 RelentlessPiaggio Avanti EVOSikorsky S-92
Summary
Cockpit222
Min Crew212
Total Seats18821
Flight RulesIFRIFRIFR
ManufacturerBellPiaggioSikorsky
Aircraft Name525 RelentlessAvanti EVOS-92
CertificationFAA / EASAFAA / EASAFAA / EASA
Max Range (nm)5801530439
Max Cabin Seats16719
OEM VerificationVERIFIEDUn-VerifiedUn-Verified
Useful Load (lbs)667537757417
Standard Cabin Seats16619
Flight Deck (Base Spec)Garmin G5000HRockwell Collins Pro Line 21EFIS
Max Cruise Speed (ktas)160400155
Base Aircraft Price (USD)$15,000,000$ 7,695,000 $30,650,000
DOC / nm$ 19.79
DOC / nm / Seat$ 0.94
Direct Operating Cost$ 3,068
Cabin
Cockpit222
Min Crew212
Total Seats18821
Max Cabin Seats16719
Standard Cabin Seats16619
LavatoryNo
Cabin Pressure (psi)9
Galley / RefreshmentNo
SL Cabin Altitude (ft)24000
Max Cabin Altitude (ft)6600
Engine
FADECDual-ChannelYesYes
ModelCT7-2F1PT6A–66BCT7-8A
Fuel TypeJetFuelJetFuel
TBO (hrs)400036004000
Horsepower18008502520
No. of Engines221
Fuel Capacity (gal)641760
Flat RatingISA + 28
Fuel Burn (gph)100
Dimensions
Width (ft)25.77
Length (ft)61.5847.3
Cabin Width (ft)7.586.1
Cabin Height (ft)4.55.8
Cabin Length (ft)15.514.9
Overall Height (ft)18.1813.117.8
Rotor Diameter (ft)54.5
Baggage Volume Ext. (cu. ft)128140
Wingspan (ft)47.1
Cabin Width - Floor (ft)3.5
Baggage Volume Int. (cu. ft)35.2
Cabin Volume (cu. ft)775