| Tail Number / N-Number | N5603U |
| Manufacturer | QUICKSILVER |
| Model | GT-400 |
| Manufacturer's Serial Number | GT2801322 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 503 DCDI |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 52 hp (39 kW) |
| Type of Registrant | Individual |
| Owner Name | DAUS CHARLES J |
| Street | 288 ICKES HEIGHTS RD |
| City | IMLER |
| State | PA |
| Zip Code | 16655-8205 |
| Region | Eastern |
| County | Bedford County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-12-06 |
| Certificate Issue Date | 2022-06-08 |
| Last Action Date | 2022-06-08 |
| Expiration Date | 2029-06-30 |
| Status | Valid Registration |
| Mode S Code | 51624676 |
| Mode S Code Hex | A729BE |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N5603U.
| Tail Number / N-Number | N5603U |
| Manufacturer | PIPER |
| Model | PA-28-140 |
| Manufacturer's Serial Number | 28-26229 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 107 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | PIPER AIRCRAFT CORP |
| Street | 820 E BALD EAGLE ST |
| City | LOCK HAVEN |
| State | PA |
| Zip Code | 17745 |
| Region | Eastern |
| County | Bedford County |
| Certificate Issue Date | 1969-11-04 |
| Last Status | Valid Registration |
| Cancellation Date | 1969-11-14 |
| Exported To | SWITZERLAND |