| Summary |
| DOC / nm | $ 2.22 | $ 2.08 | $ 1.98 | $ 1.80 |
| Total Seats | 2 | 3 | 3 | 2 |
| Flight Rules | VFR | VFR | VFR | VFR |
| Manufacturer | Robinson Helicopters | Enstrom Helicopter | Enstrom Helicopter | Robinson Helicopters |
| Aircraft Name | R44 Cadet | F-28F | 280FX Shark | R22 Beta II |
| Certification | FAA / EASA | FAA / EASA | FAA / EASA | FAA / EASA |
| Max Range (nm) | 300 | 229 | 229 | 250 |
| DOC / nm / Seat | $ 1.11 | $ 0.69 | $ 0.66 | $ 0.90 |
| OEM Verification | Un-Verified | Un-Verified | Un-Verified | Un-Verified |
| Useful Load (lbs) | 763 | 960 | 930 | 490 |
| Direct Operating Cost | $ 238 | $ 198 | $ 198 | $ 173 |
| Flight Deck (Base Spec) | Gyro / Analog | Gyro / Analog | Gyro / Analog | Gyro / Analog |
| Max Cruise Speed (ktas) | 107 | 95 | 100 | 96 |
| Base Aircraft Price (USD) | $344,000 | $ 550,000 | $ 560,000 | $ 312,000 |
| Cabin |
| Total Seats | 2 | 3 | 3 | 2 |
| Engine |
| FADEC | No | No | No | No |
| Model | O-540 | HI0-360-F1AD | HI0-360-F1AD | O-360 |
| Fuel Type | AvGas | AvGas | AvGas | AvGas |
| TBO (hrs) | 2200 | 1500 | 1500 | 2000 |
| TBO (yrs) | 12 | 12 | 12 | 12 |
| Horsepower | 210 | 225 | 225 | 131 |
| Fuel Delivery | Carbureted | — | Fuel Injected | Carbureted |
| No. of Engines | 1 | 1 | 1 | 1 |
| Fuel Capacity (gal) | 29.5 | 40 | 40 | 115 |
| Dimensions |
| Length (ft) | 38.3 | 28.1 | 29.3 | 28.5 |
| Overall Height (ft) | 10.8 | 9 | 9 | 8.8 |
| Rotor Diameter (ft) | 33 | 32 | 32 | 25.2 |
| Baggage Volume Int. (cu. ft) | 2.5 | — | — | 1.5 |
| Baggage Volume Ext. (cu. ft) | — | 6 | 6 | — |
