| Tail Number / N-Number | N6621P |
| Manufacturer | PIPER |
| Model | PA-24 |
| Year Built | 1960 |
| Manufacturer's Serial Number | 24-1742 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 120 miles per hour |
| Type of Registrant | LLC |
| Owner Name | R C ANTIQUE AVIATION LLC |
| Street | 11901 SHALLOWBROOK DR |
| City | SAINT LOUIS |
| State | MO |
| Zip Code | 63146-4730 |
| Region | Central |
| County | St. Louis County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1960-01-21 |
| Certificate Issue Date | 2000-11-29 |
| Last Action Date | 2021-05-16 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 52137060 |
| Mode S Code Hex | A8BE30 |