| Tail Number / N-Number | N4109K |
| Manufacturer | EIPPER QUICK SILVER MX |
| Model | Q-MX |
| Year Built | 1984 |
| Manufacturer's Serial Number | 5592 |
| 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 | 377 |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 35 hp (26 kW) |
| Type of Registrant | Individual |
| Owner Name | BARLOW WILLIAM R |
| Street | 2805 ANDREA AVE |
| City | SAN DIEGO |
| State | CA |
| Zip Code | 92123-2841 |
| Region | Western-Pacific |
| County | San Diego County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-01-30 |
| Certificate Issue Date | 2008-01-25 |
| Last Action Date | 2022-06-13 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 51153675 |
| Mode S Code Hex | A4D7BD |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4109K.
| Tail Number / N-Number | N4109K |
| Manufacturer | NORTH AMERICAN |
| Model | NAVION |
| Manufacturer's Serial Number | NAV-4-1109 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | Individual |
| Owner Name | HAAS L ERNEST |
| Street | 555 CAMINO REAL |
| City | HERMOSA BEACH |
| State | CA |
| Zip Code | 90254 |
| Region | Western-Pacific |
| County | San Diego County |
| Certificate Issue Date | 1947-08-15 |
| Last Status | Valid Registration |
| Cancellation Date | 1950-06-27 |