Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N3981S.
| Tail Number / N-Number | N3981S |
| Manufacturer | AERO COMMANDER |
| Model | 680 |
| Manufacturer's Serial Number | 522192 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 188 miles per hour |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1990-05-31 |
| Mode S Code | 51121415 |
| Mode S Code Hex | A4A30D |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N3981S.
| Tail Number / N-Number | N3981S |
| Manufacturer | CESSNA |
| Model | 172E |
| Manufacturer's Serial Number | 17251181 |
| 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 |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CESSNA AIRCRAFT CO |
| Street | GENERAL DELIVERY |
| City | WICHITA |
| State | KS |
| Zip Code | 67201 |
| Region | Central |
| Last Status | Valid Registration |
| Cancellation Date | 1964-03-09 |
| Exported To | CANADA |
| Mode S Code | 51121415 |
| Mode S Code Hex | A4A30D |