| Tail Number / N-Number | N3521N |
| Manufacturer | PIPER |
| Model | PA-31 |
| Year Built | 1979 |
| Manufacturer's Serial Number | 317912071 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | TIO-540-A2C |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 310 hp (231 kW) |
| Total Horsepower | 620 hp (463 kW) |
| Type of Registrant | Individual |
| Owner Name | WILSON JOSEPH |
| Street | 19255 NE 10TH AVE APT 233 |
| City | MIAMI |
| State | FL |
| Zip Code | 33179-5936 |
| Region | Southern |
| County | Dade County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2014-05-13 |
| Certificate Issue Date | 2021-11-23 |
| Last Action Date | 2021-11-23 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 50767303 |
| Mode S Code Hex | A3EEC3 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3521N.
| Tail Number / N-Number | N3521N |
| Manufacturer | SEAIR |
| Model | FLYING INFLATABLE BO |
| Manufacturer's Serial Number | 001 |
| Aircraft Type | Weight-shift-control |
| Category | Sea |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | HANNICKEL JOSEPH D |
| Street | 17609 OLNEY LN |
| City | ROCKVILLE |
| State | MD |
| Zip Code | 20853-1036 |
| County | Dade County |
| Country | US |
| Certificate Issue Date | 2007-08-24 |
| Last Action Date | 2007-08-24 |
| Last Status | Valid Registration |
| Cancellation Date | 2008-05-08 |