| Tail Number / N-Number | N4539P |
| Manufacturer | GRUMMAN AMERICAN AVN. CORP. |
| Model | AA-5B |
| Year Built | 1979 |
| Manufacturer's Serial Number | AA5B1301 |
| 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 | MOLNAR WILLIAM J |
| Street | 741 E SWISS VALLEY DR |
| City | JANESVILLE |
| State | WI |
| Zip Code | 53545 |
| Region | Great Lakes |
| County | Rock County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-11-14 |
| Certificate Issue Date | 2013-09-16 |
| Last Action Date | 2022-04-14 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 51300342 |
| Mode S Code Hex | A580E2 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4539P.
| Tail Number / N-Number | N4539P |
| Manufacturer | PIPER |
| Model | PA-23-250 |
| Year Built | 1960 |
| Manufacturer's Serial Number | 27-44 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Individual |
| Owner Name | STALDER FRED N |
| Street | RR 3 |
| City | HARRISVILLE |
| State | MO |
| Zip Code | 64701 |
| Region | Central |
| County | Rock County |
| Certificate Issue Date | 1974-11-23 |
| Last Status | Valid Registration |
| Cancellation Date | 1974-11-29 |
| Exported To | GUATEMALA |