Bell 525 Relentless vs Daher Tbm 960 vs Enstrom 480b vs Piper M600 Sls
The Bell 525 Relentless and Enstrom 480B are helicopters, while the Daher TBM 960 and Piper M600 SLS are single‑engine turboprop airplanes. In category and mission, the Bell 525 is a larger, IFR-capable, fly‑by‑wire super‑medium helicopter aimed at offshore, corporate, and utility roles, whereas the Enstrom 480B is a lighter turbine helicopter typically used for training, patrol, and short‑range transport. The TBM 960 and M600 SLS are pressurized, high‑performance personal/business aircraft; the TBM emphasizes higher cruise speed and longer legs, while the M600 focuses on owner‑pilot capability with advanced avionics and autoland. For range, the TBM 960 generally offers the longest typical legs (roughly around 1,000+ nautical miles depending on reserves and power settings), the M600 SLS is somewhat shorter (often in the high‑hundreds of nautical miles), the Bell 525 is in the several‑hundred‑nautical‑mile class, and the Enstrom 480B is typically shorter still. For passenger capacity, the Bell 525 can seat around a dozen-plus depending on configuration, the TBM 960 and M600 SLS typically seat six, and the Enstrom 480B usually seats about five.
| Spec | Bell 525 Relentless | Daher TBM 960 | Piper M600 SLS |
|---|---|---|---|
| Summary | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 1 | 1 |
| Total Seats | 18 | 6 | 6 |
| Flight Rules | IFR | IFR | IFR |
| Manufacturer | Bell | Daher TBM | Piper |
| Aircraft Name | 525 Relentless | TBM 960 | M600 |
| Certification | FAA / EASA | FAA / EASA | FAA / EASA |
| Max Range (nm) | 580 | 1730 | 1406 |
| Max Cabin Seats | 16 | — | — |
| OEM Verification | VERIFIED | Un-Verified | VERIFIED |
| Useful Load (lbs) | 6675 | 2908 | 2200 |
| Standard Cabin Seats | 16 | 4 | 4 |
| Flight Deck (Base Spec) | Garmin G5000H | Garmin G3000 | Garmin G3000 |
| Max Cruise Speed (ktas) | 160 | 330 | 274 |
| Base Aircraft Price (USD) | $15,000,000 | $4,450,000 | $3,081,400 |
| DOC / nm | — | $ 2.25 | $ 2.19 |
| Aircraft Type | — | Turbo Prop | — |
| DOC / nm / Seat | — | $ 0.56 | $ 0.55 |
| Direct Operating Cost | — | $ 744 | $ 603 |
| Cabin | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 1 | 1 |
| Total Seats | 18 | 6 | 5 |
| Max Cabin Seats | 16 | — | — |
| Standard Cabin Seats | 16 | 4 | 4 |
| Lavatory | — | No | No |
| Galley Location | — | MID | MID |
| Cabin Pressure (psi) | — | 6.2 | 5.6 |
| SL Cabin Altitude (ft) | — | 14390 | 12600 |
| Galley / Refreshment | — | — | Refreshment Centre |
| Max Cabin Altitude (ft) | — | — | 8644 |
| Engine | |||
| FADEC | Dual-Channel | Yes | No |
| Model | CT7-2F1 | TBM 960 | PT6A-42A |
| Fuel Type | JetFuel | — | — |
| TBO (hrs) | 4000 | 3500 | 3600 |
| Horsepower | 1800 | 850 | 600 |
| No. of Engines | 2 | — | 1 |
| Fuel Capacity (gal) | 641 | — | 260 |
| Flat Rating | — | ISA + 49 | ISA + 55 |
| Dimensions | |||
| Width (ft) | 25.77 | — | — |
| Length (ft) | 61.58 | 35.3 | 29.7 |
| Cabin Width (ft) | 7.58 | 4 | 4.1 |
| Cabin Height (ft) | 4.5 | 4.1 | 4 |
| Cabin Length (ft) | 15.5 | 13.4 | 12.3 |
| Overall Height (ft) | 18.18 | — | 11.3 |
| Rotor Diameter (ft) | 54.5 | — | — |
| Baggage Volume Ext. (cu. ft) | 128 | — | — |
| Wingspan (ft) | — | 42.1 | 43.2 |
| Cabin Volume (cu. ft) | — | 123 | 165 |
| Baggage Volume Int. (cu. ft) | — | — | 20 |