| Tail Number / N-Number | N4156W |
| Manufacturer | WILTSE BRUCE |
| Model | BMW VARIEZE |
| Year Built | 1998 |
| Manufacturer's Serial Number | 001 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 |
| Type of Registrant | Individual |
| Owner Name | WILTSE BRUCE |
| Street | 216 ALTA MIRA DR |
| City | VACAVILLE |
| State | CA |
| Zip Code | 95688-5000 |
| Region | Western-Pacific |
| County | Solano County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1999-12-27 |
| Certificate Issue Date | 1998-01-20 |
| Last Action Date | 2022-07-30 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 51164762 |
| Mode S Code Hex | A4E9F2 |