| Tail Number / N-Number | N90SQ |
| Manufacturer | MOL WILLIAM D |
| Model | WOLF W-II BOREDOM |
| Year Built | 1989 |
| Manufacturer's Serial Number | 91 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | C85 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 85 hp (63 kW) |
| Type of Registrant | Individual |
| Owner Name | MILLS CHRISTOPHER D |
| Street | PO BOX 1337 |
| City | BROOKSHIRE |
| State | TX |
| Zip Code | 77423-1337 |
| Region | Southwestern |
| County | Waller County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1989-03-17 |
| Certificate Issue Date | 2016-02-05 |
| Last Action Date | 2021-10-01 |
| Expiration Date | 2029-02-28 |
| Status | Valid Registration |
| Mode S Code | 53067162 |
| Mode S Code Hex | AC6E72 |