| Tail Number / N-Number | N4221D |
| Manufacturer | BRESHEARS DONALD L |
| Model | DYKE DELTA JD-2 |
| Year Built | 1995 |
| Manufacturer's Serial Number | 1269 |
| 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 | LYCOMING |
| Engine Model | 0-360-A1D |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Corporation |
| Owner Name | ANTIQUE PRESERVATION ASSOCIAITON OF GREENFIELD |
| Other Names |
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| Street | PO BOX 31 |
| City | GREENFIELD |
| State | IA |
| Zip Code | 50849-0031 |
| Region | Central |
| County | Adair County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1995-06-01 |
| Certificate Issue Date | 2017-10-20 |
| Last Action Date | 2020-05-27 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 51202614 |
| Mode S Code Hex | A5058C |