Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4531Y.
| Tail Number / N-Number | N4531Y |
| Manufacturer | PIPER |
| Model | PA-25-235 |
| Year Built | 1967 |
| Manufacturer's Serial Number | 25-4146 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 93 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KORNKUEN DON |
| Street | GENERAL DELIVERY |
| City | SOURIS |
| State | ND |
| Zip Code | 58783 |
| Region | Great Lakes |
| Certificate Issue Date | 1977-01-05 |
| Last Status | Valid Registration |
| Cancellation Date | 1981-07-20 |
| Exported To | CANADA |
| Mode S Code | 51277723 |
| Mode S Code Hex | A57FD3 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4531Y.
| Tail Number / N-Number | N4531Y |
| Manufacturer | FORRESTER JOHN T |
| Model | KR-2 |
| Year Built | 1983 |
| Manufacturer's Serial Number | KR2-3345 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | VOLKSWAGEN |
| Engine Model | CONVERSION |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 36 hp (27 kW) |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | GRANGE HALL RD |
| City | HOLLY |
| State | MI |
| Zip Code | 48442 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1985-03-11 |
| Last Action Date | 1989-03-16 |
| Last Status | Sale Reported – Canceled |
| Cancellation Date | 2012-12-07 |
| Mode S Code | 51277723 |
| Mode S Code Hex | A57FD3 |