| Tail Number / N-Number | N90UB |
| Manufacturer | PARTENAVIA SPA |
| Model | P.68C |
| Year Built | 1984 |
| Manufacturer's Serial Number | 302 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 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 | 2 engines |
| Horsepower per Engine | 200 hp (149 kW) |
| Total Horsepower | 400 hp (298 kW) |
| Type of Registrant | Corporation |
| Owner Name | S-T MANUFACTURING INC |
| Street | 350 HOWARD CLEMMONS RD |
| City | GRANBURY |
| State | TX |
| Zip Code | 76048-5703 |
| Region | Southwestern |
| County | Hood County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2003-03-12 |
| Certificate Issue Date | 2022-05-02 |
| Last Action Date | 2022-05-02 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 53067227 |
| Mode S Code Hex | AC6E97 |