| Tail Number / N-Number | N85ET |
| Manufacturer | SEIBOLD LARY L |
| Model | BD-4 |
| Year Built | 1998 |
| Manufacturer's Serial Number | 2649 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | I0360 SER A&C |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Type of Registrant | Individual |
| Owner Name | PITT WILLIAM W |
| Street | 103 AMANDA LN |
| City | LOS GATOS |
| State | CA |
| Zip Code | 95032-4712 |
| Region | Western-Pacific |
| County | Santa Clara County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1998-02-03 |
| Certificate Issue Date | 2018-06-15 |
| Last Action Date | 2021-03-10 |
| Expiration Date | 2028-06-30 |
| Status | Valid Registration |
| Mode S Code | 52722565 |
| Mode S Code Hex | ABA575 |