Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4912A.
| Tail Number / N-Number | N4912A |
| Manufacturer | CESSNA |
| Model | 310R |
| Year Built | 1978 |
| Manufacturer's Serial Number | 310R1399 |
| 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 | IO 520 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 285 hp (213 kW) |
| Total Horsepower | 570 hp (425 kW) |
| Type of Registrant | Individual |
| Owner Name | VILLARD ROBERT E |
| Street | 2005 MAINSAIL DR |
| City | NAPLES |
| State | FL |
| Zip Code | 34114-8955 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1978-08-21 |
| Certificate Issue Date | 2006-08-17 |
| Last Action Date | 2009-08-18 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2017-06-30 |
| Mode S Code | 51413156 |
| Mode S Code Hex | A6166E |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4912A.
| Tail Number / N-Number | N4912A |
| Manufacturer | CESSNA |
| Model | 180 |
| Manufacturer's Serial Number | 32309 |
| 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 | 121 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | GADDIS MINING CO |
| Street | 1216 MILE HIGH CENTER BLDG |
| City | DENVER |
| State | CO |
| Zip Code | 80123 |
| Region | Northwest Mountain |
| Certificate Issue Date | 1956-03-22 |
| Last Status | Valid Registration |
| Cancellation Date | 1956-07-06 |
| Exported To | CANADA |
| Mode S Code | 51413156 |
| Mode S Code Hex | A6166E |