| Tail Number / N-Number | N474NA |
| Manufacturer | BRITISH AEROSPACE |
| Model | BAE 146 SERIES 200A |
| Manufacturer's Serial Number | E2084 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 109 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | ALF-502 SER. |
| Engine Type | Turbo-jet |
| Number of Engines | 4 engines |
| Horsepower per Engine | 7,500 hp (5,595 kW) |
| Total Horsepower | 30,000 hp (22,380 kW) |
| Type of Registrant | Corporation |
| Owner Name | NEPTUNE AVIATION SERVICES INC |
| Street | 2 CORPORATE WAY |
| City | MISSOULA |
| State | MT |
| Zip Code | 59808 |
| Region | Northwest Mountain |
| County | Missoula County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1988-02-05 |
| Certificate Issue Date | 2016-12-12 |
| Last Action Date | 2022-11-14 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 51350443 |
| Mode S Code Hex | A5D123 |