| Tail Number / N-Number | N5231K |
| Manufacturer | PIPER |
| Model | PA-28-181 |
| Year Built | 1978 |
| Manufacturer's Serial Number | 28-7990042 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | LLC |
| Owner Name | THREE ONE KILO LLC |
| Street | 2102 LOBELIA DR |
| City | CEDAR PARK |
| State | TX |
| Zip Code | 78613-5706 |
| Region | Southwestern |
| County | Williamson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1978-08-22 |
| Certificate Issue Date | 2020-07-09 |
| Last Action Date | 2020-07-09 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 51513230 |
| Mode S Code Hex | A69698 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N5231K.
| Tail Number / N-Number | N5231K |
| Manufacturer | RYAN |
| Model | NAVION B |
| Manufacturer's Serial Number | NAV-4-2131B |
| 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 |
| Owner Name | TRAYLOR BROS INC |
| Street | STATION B BOX 66 |
| City | EVANSVILLE |
| State | IN |
| Zip Code | 47701 |
| Region | Great Lakes |
| County | Williamson County |
| Certificate Issue Date | 1950-08-22 |
| Last Status | Valid Registration |
| Cancellation Date | 1956-02-14 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N5231K.
| Tail Number / N-Number | N5231K |
| Manufacturer | CESSNA |
| Model | 172P |
| Manufacturer's Serial Number | 17274023 |
| 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 |
| County | Williamson County |
| Last Status | N-Number Assigned – but has not yet been registered |