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.
| Spec | Bell 525 Relentless | Piaggio Avanti EVO | Sikorsky S-92 |
|---|---|---|---|
| Summary | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 1 | 2 |
| Total Seats | 18 | 8 | 21 |
| Flight Rules | IFR | IFR | IFR |
| Manufacturer | Bell | Piaggio | Sikorsky |
| Aircraft Name | 525 Relentless | Avanti EVO | S-92 |
| Certification | FAA / EASA | FAA / EASA | FAA / EASA |
| Max Range (nm) | 580 | 1530 | 439 |
| Max Cabin Seats | 16 | 7 | 19 |
| OEM Verification | VERIFIED | Un-Verified | Un-Verified |
| Useful Load (lbs) | 6675 | 3775 | 7417 |
| Standard Cabin Seats | 16 | 6 | 19 |
| Flight Deck (Base Spec) | Garmin G5000H | Rockwell Collins Pro Line 21 | EFIS |
| Max Cruise Speed (ktas) | 160 | 400 | 155 |
| 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 | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 1 | 2 |
| Total Seats | 18 | 8 | 21 |
| Max Cabin Seats | 16 | 7 | 19 |
| Standard Cabin Seats | 16 | 6 | 19 |
| Lavatory | — | No | — |
| Cabin Pressure (psi) | — | 9 | — |
| Galley / Refreshment | — | No | — |
| SL Cabin Altitude (ft) | — | 24000 | — |
| Max Cabin Altitude (ft) | — | 6600 | — |
| Engine | |||
| FADEC | Dual-Channel | Yes | Yes |
| Model | CT7-2F1 | PT6A–66B | CT7-8A |
| Fuel Type | JetFuel | — | JetFuel |
| TBO (hrs) | 4000 | 3600 | 4000 |
| Horsepower | 1800 | 850 | 2520 |
| No. of Engines | 2 | 2 | 1 |
| Fuel Capacity (gal) | 641 | — | 760 |
| Flat Rating | — | ISA + 28 | — |
| Fuel Burn (gph) | — | 100 | — |
| Dimensions | |||
| Width (ft) | 25.77 | — | — |
| Length (ft) | 61.58 | 47.3 | — |
| Cabin Width (ft) | 7.58 | 6.1 | — |
| Cabin Height (ft) | 4.5 | 5.8 | — |
| Cabin Length (ft) | 15.5 | 14.9 | — |
| Overall Height (ft) | 18.18 | 13.1 | 17.8 |
| Rotor Diameter (ft) | 54.5 | — | — |
| Baggage Volume Ext. (cu. ft) | 128 | — | 140 |
| Wingspan (ft) | — | 47.1 | — |
| Cabin Width - Floor (ft) | — | 3.5 | — |
| Baggage Volume Int. (cu. ft) | — | 35.2 | — |
| Cabin Volume (cu. ft) | — | — | 775 |