| Tail Number / N-Number | N4821F |
| Manufacturer | PIPER |
| Model | PA-28-181 |
| Year Built | 1976 |
| Manufacturer's Serial Number | 28-7790063 |
| 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 | 105 miles per hour |
| Type of Registrant | Individual |
| Owner Name | OESTREICH KLAUS M |
| Street | 22707 PIPER RD |
| City | NEEDVILLE |
| State | TX |
| Zip Code | 77461-9778 |
| Region | Southwestern |
| County | Fort Bend County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1976-09-08 |
| Certificate Issue Date | 2021-06-02 |
| Last Action Date | 2021-06-02 |
| Expiration Date | 2028-06-30 |
| Status | Valid Registration |
| Mode S Code | 51371210 |
| Mode S Code Hex | A5F288 |