| Tail Number / N-Number | N4321Y |
| Manufacturer | PIPER |
| Model | PA-23-235 |
| Year Built | 1965 |
| Manufacturer's Serial Number | 27-607 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-540 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 250 hp (187 kW) |
| Total Horsepower | 500 hp (373 kW) |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | SCHUERMANN CHRIS L |
| Other Names |
|
| Street | 16335 SHELL CREEK RD |
| City | SAND SPRINGS |
| State | OK |
| Zip Code | 74063-5600 |
| Region | Southwestern |
| County | Tulsa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1965-01-04 |
| Certificate Issue Date | 2003-06-12 |
| Last Action Date | 2020-03-10 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 51226436 |
| Mode S Code Hex | A52D1E |