Beechcraft King Air 360 Er vs Bell 525 Relentless vs Daher Tbm 960 vs Piaggio Avanti Evo
The Beechcraft King Air 360ER and Daher TBM 960 are both pressurized turboprops, but they suit different missions. The King Air 360ER is a twin‑engine utility/business aircraft optimized for flexibility, short/rough-field capability, and redundancy; it typically carries more people than the TBM and offers long-range capability for its class. The TBM 960 is a high‑performance single‑engine business turboprop focused on speed and owner‑pilot efficiency; it generally carries fewer passengers but is often used for fast, point‑to‑point trips with strong range for a single. The Piaggio Avanti EVO is also a twin turboprop, positioned as a high-speed, efficient executive aircraft; it typically offers a comfortable cabin for a mid‑single‑digit passenger load and competitive range, often emphasizing cruise speed and cabin comfort versus traditional utility roles. The Bell 525 Relentless differs entirely as a fly‑by‑wire super‑medium helicopter. It usually carries a comparable or higher passenger count than these turboprops in typical configurations, but its range is generally shorter than fixed‑wing options, trading that for vertical access and mission flexibility.
| Spec | Bell 525 Relentless | Daher TBM 960 | Piaggio Avanti EVO |
|---|---|---|---|
| Summary | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 1 | 1 |
| Total Seats | 18 | 6 | 8 |
| Flight Rules | IFR | IFR | IFR |
| Manufacturer | Bell | Daher TBM | Piaggio |
| Aircraft Name | 525 Relentless | TBM 960 | Avanti EVO |
| Certification | FAA / EASA | FAA / EASA | FAA / EASA |
| Max Range (nm) | 580 | 1730 | 1530 |
| Max Cabin Seats | 16 | — | 7 |
| OEM Verification | VERIFIED | Un-Verified | Un-Verified |
| Useful Load (lbs) | 6675 | 2908 | 3775 |
| Standard Cabin Seats | 16 | 4 | 6 |
| Flight Deck (Base Spec) | Garmin G5000H | Garmin G3000 | Rockwell Collins Pro Line 21 |
| Max Cruise Speed (ktas) | 160 | 330 | 400 |
| Base Aircraft Price (USD) | $15,000,000 | $4,450,000 | $ 7,695,000 |
| DOC / nm | — | $ 2.25 | — |
| Aircraft Type | — | Turbo Prop | — |
| DOC / nm / Seat | — | $ 0.56 | — |
| Direct Operating Cost | — | $ 744 | — |
| Cabin | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 1 | 1 |
| Total Seats | 18 | 6 | 8 |
| Max Cabin Seats | 16 | — | 7 |
| Standard Cabin Seats | 16 | 4 | 6 |
| Lavatory | — | No | No |
| Galley Location | — | MID | — |
| Cabin Pressure (psi) | — | 6.2 | 9 |
| SL Cabin Altitude (ft) | — | 14390 | 24000 |
| Galley / Refreshment | — | — | No |
| Max Cabin Altitude (ft) | — | — | 6600 |
| Engine | |||
| FADEC | Dual-Channel | Yes | Yes |
| Model | CT7-2F1 | TBM 960 | PT6A–66B |
| Fuel Type | JetFuel | — | — |
| TBO (hrs) | 4000 | 3500 | 3600 |
| Horsepower | 1800 | 850 | 850 |
| No. of Engines | 2 | — | 2 |
| Fuel Capacity (gal) | 641 | — | — |
| Flat Rating | — | ISA + 49 | ISA + 28 |
| Fuel Burn (gph) | — | — | 100 |
| Dimensions | |||
| Width (ft) | 25.77 | — | — |
| Length (ft) | 61.58 | 35.3 | 47.3 |
| Cabin Width (ft) | 7.58 | 4 | 6.1 |
| Cabin Height (ft) | 4.5 | 4.1 | 5.8 |
| Cabin Length (ft) | 15.5 | 13.4 | 14.9 |
| Overall Height (ft) | 18.18 | — | 13.1 |
| Rotor Diameter (ft) | 54.5 | — | — |
| Baggage Volume Ext. (cu. ft) | 128 | — | — |
| Wingspan (ft) | — | 42.1 | 47.1 |
| Cabin Volume (cu. ft) | — | 123 | — |
| Cabin Width - Floor (ft) | — | — | 3.5 |
| Baggage Volume Int. (cu. ft) | — | — | 35.2 |