| Tail Number / N-Number | N3953B |
| Manufacturer | BOEING |
| Model | E75 |
| Year Built | 1942 |
| Manufacturer's Serial Number | 75-5568 |
| 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 | CONT MOTOR |
| Engine Model | W670 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 250 hp (187 kW) |
| Average Cruising Speed | 93 miles per hour |
| Type of Registrant | LLC |
| Owner Name | BROWN AVIATION LLC |
| Street | 4409 BROAD RUN CHURCH RD |
| City | WARRENTON |
| State | VA |
| Zip Code | 20187-2536 |
| Region | Eastern |
| County | Fauquier County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1983-07-14 |
| Certificate Issue Date | 2023-02-17 |
| Last Action Date | 2023-02-17 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration from a Trainee |
| Mode S Code | 51114037 |
| Mode S Code Hex | A4981F |