Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N3811.
| Tail Number / N-Number | N3811 |
| Manufacturer | KIVISTO |
| Model | SCORPION ONE |
| Year Built | 1972 |
| Manufacturer's Serial Number | 7114 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 45 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KIVISTO EINAR A |
| Street | 3815 ABBOTT AVE N |
| City | ROBBINSDALE |
| State | MN |
| Zip Code | 55422 |
| Region | Great Lakes |
| Certificate Issue Date | 1972-07-24 |
| Last Status | Valid Registration |
| Cancellation Date | 1976-05-20 |
| Mode S Code | 51060574 |
| Mode S Code Hex | A4617C |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N3811.
| Tail Number / N-Number | N3811 |
| Manufacturer | BEECH |
| Model | D50A |
| Manufacturer's Serial Number | DH-159 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 167 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SWEARINGEN AIRCRAFT |
| Street | PO BOX 6904 |
| City | SAN ANTONIO |
| State | TX |
| Zip Code | 78209 |
| Region | Southwestern |
| Certificate Issue Date | 1969-06-17 |
| Last Status | Valid Registration |
| Cancellation Date | 1969-11-25 |
| Mode S Code | 51060574 |
| Mode S Code Hex | A4617C |