| Tail Number / N-Number | N63DF |
| Manufacturer | FLECKENSTEIN DAVID LEE |
| Model | PITTS SPECIAL S-1S |
| Manufacturer's Serial Number | DF101 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | I0360 SER A&C |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Type of Registrant | Individual |
| Owner Name | WALKER GARY ALLEN |
| Street | 2046 LAKE HILLS DR |
| City | KINGWOOD |
| State | TX |
| Zip Code | 77339-2219 |
| Region | Southwestern |
| County | Harris County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1986-07-18 |
| Certificate Issue Date | 1998-11-25 |
| Last Action Date | 2021-06-24 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 52035664 |
| Mode S Code Hex | A83BB4 |