Beechcraft King Air 360 Er vs Bell 525 Relentless vs Daher Tbm 960 vs Enstrom 480b
The Beechcraft King Air 360ER and Daher TBM 960 are fixed‑wing turboprops, while the Bell 525 Relentless and Enstrom 480B are helicopters. For range, the King Air 360ER is the longest‑leg option of the four, designed for extended missions and typically offering roughly 1,500–1,800 nm class capability depending on configuration. The TBM 960 is a fast single‑engine turboprop with strong point‑to‑point range, generally around the 1,000–1,700 nm class depending on reserves and cruise choices. The Bell 525 is a long‑range super‑medium helicopter, commonly in the ~500–700 nm class, optimized for offshore and executive transport. The Enstrom 480B is a light turbine helicopter with shorter legs, typically a few hundred nautical miles. For passenger capacity, the King Air 360ER usually seats about 6–9 passengers, the TBM 960 commonly carries 4–6 passengers, the Bell 525 typically accommodates around 12–16 passengers depending on layout, and the Enstrom 480B generally carries 4 passengers plus a pilot.
| Spec | Bell 525 Relentless | Daher TBM 960 |
|---|---|---|
| Summary | ||
| Cockpit | 2 | 2 |
| Min Crew | 2 | 1 |
| Total Seats | 18 | 6 |
| Flight Rules | IFR | IFR |
| Manufacturer | Bell | Daher TBM |
| Aircraft Name | 525 Relentless | TBM 960 |
| Certification | FAA / EASA | FAA / EASA |
| Max Range (nm) | 580 | 1730 |
| Max Cabin Seats | 16 | — |
| OEM Verification | VERIFIED | Un-Verified |
| Useful Load (lbs) | 6675 | 2908 |
| Standard Cabin Seats | 16 | 4 |
| Flight Deck (Base Spec) | Garmin G5000H | Garmin G3000 |
| Max Cruise Speed (ktas) | 160 | 330 |
| Base Aircraft Price (USD) | $15,000,000 | $4,450,000 |
| DOC / nm | — | $ 2.25 |
| Aircraft Type | — | Turbo Prop |
| DOC / nm / Seat | — | $ 0.56 |
| Direct Operating Cost | — | $ 744 |
| Cabin | ||
| Cockpit | 2 | 2 |
| Min Crew | 2 | 1 |
| Total Seats | 18 | 6 |
| Max Cabin Seats | 16 | — |
| Standard Cabin Seats | 16 | 4 |
| Lavatory | — | No |
| Galley Location | — | MID |
| Cabin Pressure (psi) | — | 6.2 |
| SL Cabin Altitude (ft) | — | 14390 |
| Engine | ||
| FADEC | Dual-Channel | Yes |
| Model | CT7-2F1 | TBM 960 |
| Fuel Type | JetFuel | — |
| TBO (hrs) | 4000 | 3500 |
| Horsepower | 1800 | 850 |
| No. of Engines | 2 | — |
| Fuel Capacity (gal) | 641 | — |
| Flat Rating | — | ISA + 49 |
| Dimensions | ||
| Width (ft) | 25.77 | — |
| Length (ft) | 61.58 | 35.3 |
| Cabin Width (ft) | 7.58 | 4 |
| Cabin Height (ft) | 4.5 | 4.1 |
| Cabin Length (ft) | 15.5 | 13.4 |
| Overall Height (ft) | 18.18 | — |
| Rotor Diameter (ft) | 54.5 | — |
| Baggage Volume Ext. (cu. ft) | 128 | — |
| Wingspan (ft) | — | 42.1 |
| Cabin Volume (cu. ft) | — | 123 |