Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N878YB.
| Tail Number / N-Number | N878YB |
| Manufacturer | WILLIAMS VAL D |
| Model | WILLIAMS MARK IV |
| Manufacturer's Serial Number | 1506 |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | WILLIAMS VAL D |
| Street | 6471 129TH ST W |
| City | APPLE VALLEY |
| State | MN |
| Zip Code | 55124-5302 |
| Country | US |
| Certificate Issue Date | 1995-11-14 |
| Last Action Date | 2008-10-21 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-11-18 |
| Mode S Code | 53013066 |
| Mode S Code Hex | AC1636 |