| Tail Number / N-Number | N990NC |
| Manufacturer | STEARMAN AIRCRAFT/NORTHROP |
| Model | ALPHA 4-A |
| Manufacturer's Serial Number | 04 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 96 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | PLANES OF FAME AIR MUSEUM |
| Street | 14998 CAL AERO DR |
| City | CHINO |
| State | CA |
| Zip Code | 91710-9056 |
| Region | Western-Pacific |
| County | San Bernardino County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2001-10-26 |
| Last Action Date | 2021-02-12 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 53351722 |
| Mode S Code Hex | ADD3D2 |