| Tail Number / N-Number | N16621 |
| Manufacturer | PIPER |
| Model | J-2 |
| Year Built | 1936 |
| Manufacturer's Serial Number | 636 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | A40 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 40 hp (30 kW) |
| Average Cruising Speed | 59 miles per hour |
| Type of Registrant | Individual |
| Owner Name | STEWART ROBERT J JR |
| Street | 7300 OLD PERRY HWY |
| City | ERIE |
| State | PA |
| Zip Code | 16509-5152 |
| Region | Eastern |
| County | Erie County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2002-06-14 |
| Certificate Issue Date | 2006-08-25 |
| Last Action Date | 2020-08-29 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 50205260 |
| Mode S Code Hex | A10AB0 |