| Tail Number / N-Number | N21K |
| Manufacturer | KYLE HOWARD C |
| Model | LONG EZ |
| Manufacturer's Serial Number | 544 |
| 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 | KYLE HOWARD C JR |
| Street | PO BOX 2635 |
| City | BRENHAM |
| State | TX |
| Zip Code | 77834-2635 |
| Region | Southwestern |
| County | Washington County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1995-06-28 |
| Certificate Issue Date | 2021-07-31 |
| Last Action Date | 2021-07-31 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 50334012 |
| Mode S Code Hex | A1B80A |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N21K.
| Tail Number / N-Number | N21K |
| Manufacturer | BOEING |
| Model | 1B75A |
| Year Built | 1942 |
| Manufacturer's Serial Number | 75-4275 |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | KING R E |
| Street | PO BOX 1003 |
| City | DELRAY BEACH |
| State | FL |
| Zip Code | 33448 |
| Region | Southern |
| County | Washington County |
| Certificate Issue Date | 1961-09-09 |
| Last Status | Valid Registration |
| Cancellation Date | 1971-03-10 |