| Tail Number / N-Number | N142MJ |
| Manufacturer | JENKINS MYRON |
| Model | GLASAIR |
| Year Built | 1984 |
| Manufacturer's Serial Number | 352 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | FRANKLIN JUSTIN L |
| Street | 134 LAGUNA DEL OSO |
| City | MIMBRES |
| State | NM |
| Zip Code | 88049-8006 |
| Region | Southwestern |
| County | Grant County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1984-12-13 |
| Certificate Issue Date | 2021-10-06 |
| Last Action Date | 2021-10-06 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 50125472 |
| Mode S Code Hex | A0AB3A |