Beechcraft King Air 360 Er vs Bell 525 Relentless vs Md Helicopters (mcdonnell Douglas) 902 Explorer vs Piper M600 Sls
The Beechcraft King Air 360ER is a twin‑turboprop fixed‑wing aircraft aimed at long regional missions; it offers the longest practical range of this group at roughly 1,500 nautical miles and typically carries about 6 to 9 passengers depending on interior. The Piper M600 SLS is a single‑engine turboprop fixed‑wing aircraft optimized for owner‑pilot operation; it has a moderate range of about 650 nautical miles and generally seats up to 5 passengers plus a pilot. The Bell 525 Relentless is a large, twin‑engine helicopter designed for corporate and offshore roles; it trades airplane‑like range for vertical access, with roughly 500 to 560 nautical miles of range and a typical passenger load around 10 to 12. The MD Helicopters 902 Explorer is a light twin‑engine helicopter focused on utility, air medical, and law enforcement; it has the shortest range here at roughly 300 to 350 nautical miles and usually carries about 4 to 6 passengers.
| Spec | Bell 525 Relentless | Piper M600 SLS |
|---|---|---|
| Summary | ||
| Cockpit | 2 | 2 |
| Min Crew | 2 | 1 |
| Total Seats | 18 | 6 |
| Flight Rules | IFR | IFR |
| Manufacturer | Bell | Piper |
| Aircraft Name | 525 Relentless | M600 |
| Certification | FAA / EASA | FAA / EASA |
| Max Range (nm) | 580 | 1406 |
| Max Cabin Seats | 16 | — |
| OEM Verification | VERIFIED | VERIFIED |
| Useful Load (lbs) | 6675 | 2200 |
| Standard Cabin Seats | 16 | 4 |
| Flight Deck (Base Spec) | Garmin G5000H | Garmin G3000 |
| Max Cruise Speed (ktas) | 160 | 274 |
| Base Aircraft Price (USD) | $15,000,000 | $3,081,400 |
| DOC / nm | — | $ 2.19 |
| DOC / nm / Seat | — | $ 0.55 |
| Direct Operating Cost | — | $ 603 |
| Cabin | ||
| Cockpit | 2 | 2 |
| Min Crew | 2 | 1 |
| Total Seats | 18 | 5 |
| Max Cabin Seats | 16 | — |
| Standard Cabin Seats | 16 | 4 |
| Lavatory | — | No |
| Galley Location | — | MID |
| Cabin Pressure (psi) | — | 5.6 |
| Galley / Refreshment | — | Refreshment Centre |
| SL Cabin Altitude (ft) | — | 12600 |
| Max Cabin Altitude (ft) | — | 8644 |
| Engine | ||
| FADEC | Dual-Channel | No |
| Model | CT7-2F1 | PT6A-42A |
| Fuel Type | JetFuel | — |
| TBO (hrs) | 4000 | 3600 |
| Horsepower | 1800 | 600 |
| No. of Engines | 2 | 1 |
| Fuel Capacity (gal) | 641 | 260 |
| Flat Rating | — | ISA + 55 |
| Dimensions | ||
| Width (ft) | 25.77 | — |
| Length (ft) | 61.58 | 29.7 |
| Cabin Width (ft) | 7.58 | 4.1 |
| Cabin Height (ft) | 4.5 | 4 |
| Cabin Length (ft) | 15.5 | 12.3 |
| Overall Height (ft) | 18.18 | 11.3 |
| Rotor Diameter (ft) | 54.5 | — |
| Baggage Volume Ext. (cu. ft) | 128 | — |
| Wingspan (ft) | — | 43.2 |
| Cabin Volume (cu. ft) | — | 165 |
| Baggage Volume Int. (cu. ft) | — | 20 |