Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4715S.
| Tail Number / N-Number | N4715S |
| Manufacturer | COWLEY EDWARD L |
| Model | COWLEY 503 |
| Year Built | 1964 |
| Manufacturer's Serial Number | 1000 |
| 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 | MCCULLOCH |
| Engine Model | 4318A&E/0-100 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 72 hp (54 kW) |
| Type of Registrant | Individual |
| Owner Name | COWLEY EDWARD L |
| Street | 3526 ADMIRAL DR |
| City | CHARLESTON HTS |
| State | SC |
| Zip Code | 29405 |
| Country | US |
| Last Action Date | 1977-01-14 |
| Last Status | Certificate of Registration has been revoked |
| Cancellation Date | 2009-07-27 |
| Mode S Code | 51343751 |
| Mode S Code Hex | A5C7E9 |