Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N3121K.
| Tail Number / N-Number | N3121K |
| Manufacturer | CULVER |
| Model | V |
| Manufacturer's Serial Number | V-340 |
| 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 | CULVER AIRCRAFT CORPORATION |
| Street | 600 E 35TH ST |
| City | WICHITA |
| State | KS |
| Zip Code | 67201 |
| Region | Central |
| Certificate Issue Date | 1946-11-07 |
| Last Status | Valid Registration |
| Cancellation Date | 1949-11-03 |
| Mode S Code | 50650304 |
| Mode S Code Hex | A350C4 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N3121K.
| Tail Number / N-Number | N3121K |
| Manufacturer | CESSNA |
| Model | 421 |
| Year Built | 1968 |
| Manufacturer's Serial Number | 421-0102 |
| 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 | GTSIO-520-C |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 340 hp (254 kW) |
| Total Horsepower | 680 hp (507 kW) |
| Average Cruising Speed | 172 miles per hour |
| Type of Registrant | Individual |
| Owner Name | REGISTRATION PENDING |
| Street | 531 DOMARIS AVE |
| City | LAKE WALES |
| State | FL |
| Zip Code | 33853-4817 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1968-05-09 |
| Last Action Date | 2006-03-02 |
| Last Status | Registration Pending – Canceled |
| Cancellation Date | 2012-09-12 |
| Mode S Code | 50650304 |
| Mode S Code Hex | A350C4 |