| Summary |
| Cockpit | 2 | 2 | 2 |
| DOC / nm | $ 4.08 | $ 3.49 | $ 11.69 |
| Min Crew | 1 | 1 | 2 |
| Total Seats | 11 | 5 | 17 |
| Flight Rules | IFR | VFR | IFR |
| Manufacturer | GE® Aerospace | Robinson Helicopters | Leonardo |
| Aircraft Name | KingAir Denali | R66 | AW139 |
| Certification | FAA / EASA | FAA / EASA | FAA / EASA |
| Max Range (nm) | 1600 | 350 | 573 |
| DOC / nm / Seat | $ 0.68 | $ 0.70 | $ 0.69 |
| Max Cabin Seats | 9 | — | 15 |
| OEM Verification | VERIFIED | Un-Verified | Un-Verified |
| Useful Load (lbs) | 3280 | 1355 | 4701 |
| Standard Cabin Seats | 7 | 3 | 15 |
| Direct Operating Cost | $ 1,111 | $ 384 | $ 1,929 |
| Flight Deck (Base Spec) | Rockwell Collins Pro Line Fusion | Gyro / Analog | EFIS |
| Max Cruise Speed (ktas) | 285 | 110 | 165 |
| Base Aircraft Price (USD) | $4,150,000 | $ 920,000 | $15,900,000 |
| Cabin |
| Cockpit | 2 | 2 | 2 |
| Lavatory | 1 Flushing | — | — |
| Min Crew | 1 | 1 | 2 |
| Total Seats | 11 | 5 | 17 |
| Max Cabin Seats | 9 | — | 15 |
| Lavatory Location | AFT | — | — |
| Cabin Pressure (psi) | 5 | — | — |
| Galley / Refreshment | No | — | — |
| Standard Cabin Seats | 7 | 3 | 15 |
| SL Cabin Altitude (ft) | 11065 | — | — |
| Engine |
| Model | Catalyst™ | RR300 | PT6C-67C |
| No. of Engines | 1 | 1 | 2 |
| FADEC | — | No | Yes |
| Fuel Type | — | JetFuel | JetFuel |
| TBO (hrs) | — | 2000 | 5000 |
| Horsepower | — | 300 | 1679 |
| Fuel Capacity (gal) | — | 73.6 | 414 |
| Dimensions |
| Length (ft) | 14.86 | 38.3 | 54.7 |
| Wingspan (ft) | 54.3 | — | — |
| Cabin Width (ft) | 4.5 | — | — |
| Cabin Height (ft) | 4.8 | — | — |
| Cabin Length (ft) | 12.6 | — | — |
| Overall Height (ft) | 4.65 | 11.4 | 16.4 |
| Cabin Width - Floor (ft) | 4.1 | — | — |
| Cabin Length - Seating (ft) | 12.6 | — | — |
| Baggage Volume Int. (cu. ft) | 48 | — | — |
| Rotor Diameter (ft) | — | 33 | 54.7 |
| Cabin Volume (cu. ft) | — | 50 | 282 |
| Baggage Volume Ext. (cu. ft) | — | 18 | 120 |
