| Tail Number / N-Number | N446SG |
| Manufacturer | ROBINSON HELICOPTER |
| Model | R44 |
| Year Built | 2004 |
| Manufacturer's Serial Number | 1431 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-540F1 SERIE |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | LLC |
| Owner Name | FRONTIER HELICOPTERS LLC |
| Street | 721 6TH PL |
| City | IDALOU |
| State | TX |
| Zip Code | 79329-9053 |
| Region | Southwestern |
| County | Lubbock County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2004-10-12 |
| Certificate Issue Date | 2017-06-22 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 51261176 |
| Mode S Code Hex | A5627E |