| Tail Number / N-Number | N4931C |
| Manufacturer | CESSNA |
| Model | A185F |
| Year Built | 1975 |
| Manufacturer's Serial Number | 18502662 |
| Aircraft Type | Fixed wing single 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 | 1 engine |
| Horsepower | 285 hp (213 kW) |
| Average Cruising Speed | 127 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | EINSTEIN INC |
| Street | PO BOX 805 |
| City | PRICE |
| State | UT |
| Zip Code | 84501-0805 |
| Region | Northwest Mountain |
| County | Carbon County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 2021-08-21 |
| Last Action Date | 2021-08-21 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51416673 |
| Mode S Code Hex | A61DBB |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4931C.
| Tail Number / N-Number | N4931C |
| Manufacturer | BEECH |
| Model | A45 |
| Manufacturer's Serial Number | 34-85 |
| 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 | 141 miles per hour |
| Type of Registrant | Government |
| Owner Name | UNITED STATES AIR FORCE |
| Street | GEN DEL |
| City | SAWYER |
| State | MI |
| Zip Code | 49125 |
| Region | Great Lakes |
| County | Carbon County |
| Certificate Issue Date | 1961-08-16 |
| Last Status | Valid Registration |
| Cancellation Date | 1965-06-23 |