| Tail Number / N-Number | N737AK |
| Manufacturer | SMITH KYLE |
| Model | VANS RV-4 |
| Manufacturer's Serial Number | 2282 |
| 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 | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | SMITH KYLE C |
| Street | 1925 E BAY TREE CT |
| City | GILBERT |
| State | AZ |
| Zip Code | 85234-4937 |
| Region | Western-Pacific |
| County | Maricopa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1991-03-08 |
| Certificate Issue Date | 2016-12-02 |
| Last Action Date | 2019-08-24 |
| Expiration Date | 2022-12-31 |
| Status | Third Notice for Registration Renewal |
| Mode S Code | 52362426 |
| Mode S Code Hex | A9E516 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N737AK.
| Tail Number / N-Number | N737AK |
| Manufacturer | CESSNA |
| Model | 172N |
| Manufacturer's Serial Number | 17269267 |
| 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 |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | WALSTON AVIATION SALES INC |
| Street | BOX 242 |
| City | WOOD RIVER |
| State | IL |
| Zip Code | 62095 |
| Region | Great Lakes |
| County | Maricopa County |
| Certificate Issue Date | 1977-08-01 |
| Last Status | Valid Registration |
| Cancellation Date | 1977-08-09 |
| Exported To | AUSTRALIA |