| Tail Number / N-Number | N90203 |
| Manufacturer | DOUGLAS |
| Model | C-54G |
| Manufacturer's Serial Number | 35934 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 60 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 173 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SHEPPARD HAROLD JRDBA |
| Other Names |
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| Street | 39 BURMA RD |
| City | RIVERTON |
| State | WY |
| Zip Code | 82501-8974 |
| Region | Northwest Mountain |
| County | Fremont County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-04-10 |
| Certificate Issue Date | 2013-04-11 |
| Last Action Date | 2022-02-07 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 53074416 |
| Mode S Code Hex | AC790E |