| Tail Number / N-Number | N1239E |
| Manufacturer | SHETLER ELDON LEWIS |
| Model | SHETLER MUSTANG MII |
| Manufacturer's Serial Number | M-II-1156 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 | 0-300-A |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 145 hp (108 kW) |
| Type of Registrant | Individual |
| Owner Name | SHETLER ELDON L |
| Street | 31311 ROAD S |
| City | CLAY CENTER |
| State | NE |
| Zip Code | 68933-3309 |
| Region | Central |
| County | Clay County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2013-01-16 |
| Certificate Issue Date | 1995-03-15 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-04-30 |
| Status | Valid Registration |
| Mode S Code | 50061157 |
| Mode S Code Hex | A0626F |