Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4463Y.
| Tail Number / N-Number | N4463Y |
| Manufacturer | MAY JOHN DOYNE |
| Model | PROTOTYPE |
| Year Built | 1983 |
| Manufacturer's Serial Number | 001 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | MAY JOHN D |
| Street | 2520 LOOP DR |
| City | HEBER SPRINGS |
| State | AR |
| Zip Code | 72543 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1983-09-13 |
| Certificate Issue Date | 1983-09-28 |
| Last Action Date | 1992-09-19 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-03-07 |
| Mode S Code | 51261677 |
| Mode S Code Hex | A563BF |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4463Y.
| Tail Number / N-Number | N4463Y |
| Manufacturer | PIPER |
| Model | PA-25-235 |
| Manufacturer's Serial Number | 25-4114 |
| 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 | Corporation |
| Owner Name | COUTINHO CARO & CO INC |
| Street | 50 EAST 42ND STREET |
| City | NEW YORK |
| State | NY |
| Zip Code | 10017 |
| Region | Eastern |
| Last Status | Valid Registration |
| Cancellation Date | 1967-05-10 |
| Exported To | INDONESIA |
| Mode S Code | 51261677 |
| Mode S Code Hex | A563BF |