Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3121N.
| Tail Number / N-Number | N3121N |
| Manufacturer | CESSNA |
| Model | 140 |
| Year Built | 1947 |
| Manufacturer's Serial Number | 13379 |
| 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | C85 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 85 hp (63 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KOVARIK PETER M |
| Street | PO BOX 969 |
| City | HOT SPRINGS |
| State | SD |
| Zip Code | 57747-0969 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1957-12-05 |
| Certificate Issue Date | 2010-07-21 |
| Last Action Date | 2011-10-13 |
| Last Status | Registration Expired - Pending Cancellation |
| Cancellation Date | 2018-01-03 |
| Mode S Code | 50650307 |
| Mode S Code Hex | A350C7 |