| Tail Number / N-Number | N421TA |
| Manufacturer | CESSNA |
| Model | 421C |
| Year Built | 1977 |
| Manufacturer's Serial Number | 421C0240 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | GTSIO-520 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 300 hp (224 kW) |
| Total Horsepower | 600 hp (448 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | LLC |
| Owner Name | QUALITAIR LLC TRUSTEE |
| Street | FLUGPLATZ MICHELSTADT MOSSAUER STRASSE 17 |
| City | MICHELSTADT |
| Zip Code | 64720 |
| Region | European |
| Country | DE |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1998-06-15 |
| Certificate Issue Date | 2021-11-16 |
| Last Action Date | 2022-06-22 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 51200400 |
| Mode S Code Hex | A50100 |