| Tail Number / N-Number | N3923C |
| Manufacturer | CESSNA |
| Model | 421C |
| Year Built | 1976 |
| Manufacturer's Serial Number | 421C0147 |
| 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 | GTSI0-520-F-K |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 435 hp (325 kW) |
| Total Horsepower | 870 hp (649 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | LLC |
| Owner Name | SWOPE AVIATION LLC |
| Street | 1100 N DIXIE HWY |
| City | ELIZABETHTOWN |
| State | KY |
| Zip Code | 42701-2534 |
| Region | Central |
| County | Hardin County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1976-09-17 |
| Certificate Issue Date | 2004-04-14 |
| Last Action Date | 2022-09-28 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 51106373 |
| Mode S Code Hex | A48CFB |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3923C.
| Tail Number / N-Number | N3923C |
| Manufacturer | CURTISS WRIGHT |
| Model | C-46A |
| Manufacturer's Serial Number | 26438 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 65 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 180 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AMERICAN AIRMOTIVE CORP |
| Street | P O BOX 6 |
| City | MIAMI SPRINGS |
| State | FL |
| Zip Code | 33166 |
| Region | Southern |
| County | Hardin County |
| Certificate Issue Date | 1950-12-28 |
| Last Status | Valid Registration |
| Cancellation Date | 1953-01-28 |
| Exported To | VENEZUELA |