Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4623N.
| Tail Number / N-Number | N4623N |
| Manufacturer | BOEING |
| Model | B75N1 |
| Manufacturer's Serial Number | 75-1224 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 93 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | P T AIR SERVICE INC |
| Street | MUNICIPAL AIRPORT |
| City | HAYS |
| State | KS |
| Zip Code | 67601 |
| Region | Central |
| Certificate Issue Date | 1947-10-10 |
| Last Status | Valid Registration |
| Cancellation Date | 1955-10-06 |
| Exported To | EL SALVADOR |
| Mode S Code | 51321727 |
| Mode S Code Hex | A5A3D7 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4623N.
| Tail Number / N-Number | N4623N |
| Manufacturer | CESSNA |
| Model | 402B |
| Manufacturer's Serial Number | 402B1375 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 198 miles per hour |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1990-08-15 |
| Mode S Code | 51321727 |
| Mode S Code Hex | A5A3D7 |