| Tail Number / N-Number | N4025P |
| Manufacturer | AYRES CORPORATION |
| Model | S2R-R1820 |
| Year Built | 1981 |
| Manufacturer's Serial Number | R1820-018DC |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | WRIGHT |
| Engine Model | R-1820 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 1,475 hp (1,100 kW) |
| Type of Registrant | LLC |
| Owner Name | BOB RUHE AG SERVICE LLC |
| Street | 5450 STATE ROUTE 109 |
| City | LEIPSIC |
| State | OH |
| Zip Code | 45856-9438 |
| Region | Great Lakes |
| County | Putnam County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1981-08-14 |
| Certificate Issue Date | 2014-11-18 |
| Last Action Date | 2020-07-28 |
| Expiration Date | 2027-11-30 |
| Status | Valid Registration |
| Mode S Code | 51133444 |
| Mode S Code Hex | A4B724 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4025P.
| Tail Number / N-Number | N4025P |
| Manufacturer | PIPER |
| Model | PA-23-160 |
| Manufacturer's Serial Number | 23-1500 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 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 | Co-Ownership |
| Owner Name | STADLER KALMAN |
| Street | LAZY S RANCH |
| City | CARNWOOD |
| County | Putnam County |
| Country | CA |
| Certificate Issue Date | 1970-08-25 |
| Last Status | Valid Registration |
| Cancellation Date | 1971-06-23 |
| Exported To | CANADA |