| Tail Number / N-Number | N621J |
| Manufacturer | ADAMS STEPHEN |
| Model | ZODIAC CH640 |
| Year Built | 2005 |
| Manufacturer's Serial Number | 640-0052 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 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 |
| Kit Manufacturer | ZENAIR LTD |
| Kit Model | ZODIAC CH640 |
| Type of Registrant | Individual |
| Owner Name | ADAMS STEPHEN D |
| Street | 850 WILLIAMSON TRL |
| City | EVANS |
| State | GA |
| Zip Code | 30809-7279 |
| Region | Southern |
| County | Columbia County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2005-07-28 |
| Certificate Issue Date | 2005-02-01 |
| Last Action Date | 2022-05-09 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 52015274 |
| Mode S Code Hex | A81ABC |