| Tail Number / N-Number | N4JK |
| Manufacturer | AVIAT AIRCRAFT INC |
| Model | A-1B |
| Year Built | 1999 |
| Manufacturer's Serial Number | 2012 |
| 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 | LYCOMING |
| Engine Model | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | COSLOR DONALD D JR |
| Street | 3310 PINEHURST PL |
| City | GRAND ISLAND |
| State | NE |
| Zip Code | 68803-5618 |
| Region | Central |
| County | Hall County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1999-03-29 |
| Certificate Issue Date | 2018-08-21 |
| Last Action Date | 2021-09-15 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51124301 |
| Mode S Code Hex | A4A8C1 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4JK.
| Tail Number / N-Number | N4JK |
| Manufacturer | KEENER JEFFREY L |
| Model | ROTORWAY EXEC |
| Manufacturer's Serial Number | 86E3429A |
| Aircraft Type | Rotorcraft |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | KEENER JEFFREY L |
| Street | 188 S MULBERRY ST |
| City | CHILLICOTHE |
| State | OH |
| Zip Code | 45601 |
| County | Hall County |
| Country | US |
| Certificate Issue Date | 1988-06-14 |
| Last Action Date | 1989-09-05 |
| Last Status | Valid Registration |
| Cancellation Date | 1991-09-19 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4JK.
| Tail Number / N-Number | N4JK |
| Manufacturer | KERR |
| Model | BEDE BD-4 |
| Manufacturer's Serial Number | 478 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 | 137 miles per hour |
| County | Hall County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |