| Tail Number / N-Number | N639CU |
| Manufacturer | JEROLD E JOHNSON |
| Model | STOL CH 750 |
| Year Built | 2018 |
| Manufacturer's Serial Number | 75-10299 |
| 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 | VIKING |
| Engine Model | 110 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 110 hp (82 kW) |
| Kit Manufacturer | ZENITH AIRCRAFT CO |
| Kit Model | STOL CH 750 |
| Type of Registrant | Individual |
| Owner Name | JOHNSON JEROLD E |
| Street | 8506 JC RD |
| City | VALE |
| State | NC |
| Zip Code | 28168-8932 |
| Region | Eastern |
| County | Lincoln County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2018-10-20 |
| Certificate Issue Date | 2016-02-18 |
| Last Action Date | 2021-10-15 |
| Expiration Date | 2029-02-28 |
| Status | Valid Registration |
| Mode S Code | 52057560 |
| Mode S Code Hex | A85F70 |