| Tail Number / N-Number | N509D |
| Manufacturer | DENCKER DAVID YORK |
| Model | HUMMEL BIRD |
| Manufacturer's Serial Number | 5094 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | DENCKER DAVID Y |
| Street | 123 COLFAX RD |
| City | NEWARK |
| State | DE |
| Zip Code | 19713-2001 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2011-02-10 |
| Last Action Date | 2022-11-16 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 51455652 |
| Mode S Code Hex | A65BAA |