| Tail Number / N-Number | N81836 |
| Manufacturer | CHAMPION |
| Model | 7AC |
| Year Built | 1946 |
| Manufacturer's Serial Number | 7AC-459 |
| 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 | A&C65 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | NORTH AERO |
| Street | 5100 PATTERSON RD |
| City | BOZEMAN |
| State | MT |
| Zip Code | 59718-7824 |
| Region | Northwest Mountain |
| County | Gallatin County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1957-03-07 |
| Certificate Issue Date | 1999-11-09 |
| Last Action Date | 2021-11-29 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 52624764 |
| Mode S Code Hex | AB29F4 |