| Tail Number / N-Number | N4258K |
| Manufacturer | SHANNON BRUCE S |
| Model | MONERAI |
| Year Built | 1981 |
| Manufacturer's Serial Number | 281 |
| Aircraft Type | Glider |
| 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 | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | SZYMAK MAREK |
| Street | 54 LAKEVIEW DR |
| City | HELMETTA |
| State | NJ |
| Zip Code | 08828-1168 |
| Region | Eastern |
| County | Middlesex County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1981-05-05 |
| Certificate Issue Date | 2011-05-10 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 51210654 |
| Mode S Code Hex | A511AC |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4258K.
| Tail Number / N-Number | N4258K |
| Manufacturer | RYAN |
| Model | NAVION |
| Manufacturer's Serial Number | NAV-4-1258 |
| 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 | Corporation |
| County | Middlesex County |
| Last Status | Valid Registration |