| Tail Number / N-Number | N684CM |
| Manufacturer | MORAVAN N P ORTROKOVICE |
| Model | Z142 |
| Year Built | 1980 |
| Manufacturer's Serial Number | 0218 |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | MURPHY & HARRISON INC |
| Street | 29068 MAMMOTH DR BOX 9 |
| City | LAKE ARROWHEAD |
| State | CA |
| Zip Code | 92352-0009 |
| Region | Western-Pacific |
| County | San Bernardino County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2002-12-18 |
| Certificate Issue Date | 2011-04-21 |
| Last Action Date | 2022-11-18 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 52211121 |
| Mode S Code Hex | A91251 |