| Tail Number / N-Number | N129ST |
| Manufacturer | BEECH |
| Model | 95-B55 (T42A) |
| Year Built | 1965 |
| Manufacturer's Serial Number | TC-835 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | I0-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 260 hp (194 kW) |
| Total Horsepower | 520 hp (388 kW) |
| Average Cruising Speed | 165 miles per hour |
| Type of Registrant | LLC |
| Owner Name | AZELL LLC |
| Street | 2625 S BRANDON AVE |
| City | SPRINGFIELD |
| State | MO |
| Zip Code | 65809-3702 |
| Region | Central |
| County | Greene County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1965-01-06 |
| Certificate Issue Date | 2022-11-04 |
| Last Action Date | 2022-11-04 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 50073303 |
| Mode S Code Hex | A076C3 |