| Tail Number / N-Number | N421TC |
| Manufacturer | CESSNA |
| Model | 421C |
| Year Built | 1980 |
| Manufacturer's Serial Number | 421C0879 |
| 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-L |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 375 hp (280 kW) |
| Total Horsepower | 750 hp (560 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | LLC |
| Owner Name | ATHAR GLENOLA LLC |
| Street | 321 MARS VALENCIA RD |
| City | MARS |
| State | PA |
| Zip Code | 16046-2807 |
| Region | Eastern |
| County | Butler County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2021-07-02 |
| Certificate Issue Date | 2021-09-30 |
| Last Action Date | 2021-09-30 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 51200402 |
| Mode S Code Hex | A50102 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N421TC.
| Tail Number / N-Number | N421TC |
| Manufacturer | THUNDER & COLT AIRBORNE AMER |
| Model | AX7-65S1 |
| Year Built | 1992 |
| Manufacturer's Serial Number | 2199USA |
| Aircraft Type | Balloon |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | ROHR BRIAN C |
| Street | 6308 BALTIC AVE |
| City | MCKINNEY |
| State | TX |
| Zip Code | 75070-9439 |
| County | Butler County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1992-06-11 |
| Certificate Issue Date | 2001-06-14 |
| Last Action Date | 2007-09-18 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-05-16 |