| Tail Number / N-Number | N477SD |
| Manufacturer | BELL |
| Model | 206L-3 |
| Year Built | 1990 |
| Manufacturer's Serial Number | 51343 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | ALLISON |
| Engine Model | 250-C30 SER |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 650 hp (485 kW) |
| Type of Registrant | LLC |
| Owner Name | HIGH-LEAD HELICOPTERS LLC |
| Street | 451 WINSTON CREEK RD |
| City | MOSSYROCK |
| State | WA |
| Zip Code | 98564-9622 |
| Region | Northwest Mountain |
| County | Lewis County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1990-04-02 |
| Certificate Issue Date | 2018-07-05 |
| Last Action Date | 2021-02-19 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 51356257 |
| Mode S Code Hex | A5DCAF |