| Tail Number / N-Number | N646CH |
| Manufacturer | CHAPTON DON |
| Model | L-21 |
| Year Built | 2011 |
| Manufacturer's Serial Number | 802045 |
| 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 |
| Kit Manufacturer | TURBINE CUBS OF WYOMING |
| Kit Model | PA-18 |
| Type of Registrant | Co-Ownership |
| Owner Name | HUGHES DAVID L |
| Other Names |
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| Street | 25502 PINATA CIR |
| City | MISSION VIEJO |
| State | CA |
| Zip Code | 92691-5450 |
| Region | Western-Pacific |
| County | Orange County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2011-03-01 |
| Certificate Issue Date | 2016-05-12 |
| Last Action Date | 2021-12-25 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 52075677 |
| Mode S Code Hex | A87BBF |