| Tail Number / N-Number | N20723 |
| Manufacturer | REARWIN |
| Model | 8500 DELUXE |
| Year Built | 1938 |
| Manufacturer's Serial Number | 618D |
| 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 | LEBLOND |
| Engine Model | 85 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 85 hp (63 kW) |
| Average Cruising Speed | 78 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | ALFRED & LOIS KELCH AVIATION MUSEUM INC |
| Street | PO BOX 122 |
| City | BRODHEAD |
| State | WI |
| Zip Code | 53520-0122 |
| Region | Great Lakes |
| County | Green County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1957-01-10 |
| Certificate Issue Date | 2022-07-07 |
| Last Action Date | 2022-07-07 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 50327276 |
| Mode S Code Hex | A1AEBE |