| Tail Number / N-Number | N8521H |
| Manufacturer | NORTH AMERICAN |
| Model | NAVION |
| Year Built | 1947 |
| Manufacturer's Serial Number | NAV-4-518 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | E225 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 225 hp (168 kW) |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | Individual |
| Owner Name | TOMLIN ROLLIN D |
| Street | 1695 N CURRY RD |
| City | WILMINGTON |
| State | OH |
| Zip Code | 45177-9301 |
| Region | Great Lakes |
| County | Clinton County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1955-11-18 |
| Certificate Issue Date | 2016-06-08 |
| Last Action Date | 2022-01-30 |
| Expiration Date | 2029-06-30 |
| Status | Valid Registration |
| Mode S Code | 52730511 |
| Mode S Code Hex | ABB149 |