Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N638K.
| Tail Number / N-Number | N638K |
| Manufacturer | CESSNA |
| Model | DC-6A |
| Manufacturer's Serial Number | 209 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | MONARCH AIR SERVICE INC |
| Street | MUNICIPAL ARPT |
| City | CHICAGO |
| State | IL |
| Zip Code | 60611 |
| Region | Great Lakes |
| Certificate Issue Date | 1933-10-21 |
| Last Status | Valid Registration |
| Cancellation Date | 1935-04-04 |
| Mode S Code | 52056125 |
| Mode S Code Hex | A85C55 |