Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4121Q.
| Tail Number / N-Number | N4121Q |
| Manufacturer | CESSNA |
| Model | 310N |
| Year Built | 1967 |
| Manufacturer's Serial Number | 310N-0021 |
| 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | I0-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 260 hp (194 kW) |
| Total Horsepower | 520 hp (388 kW) |
| Average Cruising Speed | 167 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | R K M LEASING LTD |
| Street | ONE BISHOP ST |
| City | NORWALK |
| State | CT |
| Zip Code | 06851 |
| Country | US |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 1978-02-02 |
| Last Action Date | 1978-02-04 |
| Last Status | Revoked – Canceled |
| Cancellation Date | 1978-09-25 |
| Mode S Code | 51157030 |
| Mode S Code Hex | A4DE18 |