| Tail Number / N-Number | N81131 |
| Manufacturer | FUNK |
| Model | B85C |
| Year Built | 1946 |
| Manufacturer's Serial Number | 261 |
| 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 | 84 miles per hour |
| Type of Registrant | Individual |
| Owner Name | ATKINSON MARLYN R |
| Street | 34231 W 120TH ST |
| City | EXCELSIOR SPRINGS |
| State | MO |
| Zip Code | 64024-6260 |
| Region | Central |
| County | Clay County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1955-09-29 |
| Certificate Issue Date | 2010-01-28 |
| Last Action Date | 2021-11-08 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 52607756 |
| Mode S Code Hex | AB0FEE |