| Tail Number / N-Number | N33900 |
| Manufacturer | MERCURY |
| Model | BT-120 |
| Year Built | 1946 |
| Manufacturer's Serial Number | 2 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Average Cruising Speed | 78 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | WESTERN ANTIQUE AEROPLANE & AUTOMOBILE MUSEUM |
| Street | 1600 AIR MUSEUM RD |
| City | HOOD RIVER |
| State | OR |
| Zip Code | 97031-9800 |
| Region | Northwest Mountain |
| County | Hood River County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1946-06-25 |
| Certificate Issue Date | 2019-04-29 |
| Last Action Date | 2021-11-08 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 50734657 |
| Mode S Code Hex | A3B9AF |