| Tail Number / N-Number | N553S |
| Manufacturer | ULBRICH R G/WILLHOITE S B |
| Model | ULB/WILL LONG-EZE |
| Year Built | 1998 |
| Manufacturer's Serial Number | 1998 |
| 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 | LYCOMING |
| Engine Model | 0-235 SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Type of Registrant | Individual |
| Owner Name | WILLHOITE STEVEN B |
| Street | 33964 ROCKVILLE RD |
| City | LOUISBURG |
| State | KS |
| Zip Code | 66053-5103 |
| Region | Central |
| County | Miami County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2004-11-23 |
| Certificate Issue Date | 2003-11-17 |
| Last Action Date | 2021-08-25 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 51606040 |
| Mode S Code Hex | A70C20 |