| Tail Number / N-Number | N7554U |
| Manufacturer | NORTH AMERICAN |
| Model | HARVARD 4 |
| Year Built | 1952 |
| Manufacturer's Serial Number | 20428 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R1340 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 600 hp (448 kW) |
| Average Cruising Speed | 141 miles per hour |
| Type of Registrant | Individual |
| Owner Name | STAEHLING JONATHAN J |
| Street | 10316 THAYER RD |
| City | WOODSTOCK |
| State | IL |
| Zip Code | 60098 |
| Region | Great Lakes |
| County | McHenry County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1983-10-28 |
| Certificate Issue Date | 1972-03-21 |
| Last Action Date | 2022-08-16 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 52427623 |
| Mode S Code Hex | AA2F93 |