| Tail Number / N-Number | N1981C |
| Manufacturer | CESSNA |
| Model | 170B |
| Year Built | 1954 |
| Manufacturer's Serial Number | 26126 |
| 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | C145 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 145 hp (108 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MCMILLAN MARK A II |
| Street | 12963 SHILOH CHURCH RD |
| City | FRANKLIN |
| State | TX |
| Zip Code | 77856-2335 |
| Region | Southwestern |
| County | Robertson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-03-30 |
| Certificate Issue Date | 2020-12-21 |
| Last Action Date | 2020-12-21 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 50304141 |
| Mode S Code Hex | A18861 |