| Tail Number / N-Number | N523K |
| Manufacturer | HENSEL DARYLE A |
| Model | RV 6 |
| Year Built | 2007 |
| Manufacturer's Serial Number | 25397 |
| 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-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 150 hp (112 kW) |
| Kit Manufacturer | VANS AIRCRAFT INC |
| Kit Model | RV-616A |
| Type of Registrant | Individual |
| Owner Name | SIMPSON BRIAN M |
| Street | 1100 SHERMAN NEWTOWN RD |
| City | DRY RIDGE |
| State | KY |
| Zip Code | 41035-7205 |
| Region | Central |
| County | Grant County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-11-12 |
| Certificate Issue Date | 2019-08-28 |
| Last Action Date | 2022-03-12 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 51512364 |
| Mode S Code Hex | A694F4 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N523K.
| Tail Number / N-Number | N523K |
| Manufacturer | HALLETT TERRY L |
| Model | HUMMELBIRD |
| Manufacturer's Serial Number | 5203 |
| Aircraft Type | Fixed wing single engine |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | HALLETT TERRY L |
| Street | 16288 COUNTY ROAD D |
| City | BRYAN |
| State | OH |
| Zip Code | 43506-9552 |
| County | Grant County |
| Country | US |
| Certificate Issue Date | 2011-03-11 |
| Last Action Date | 2011-03-11 |
| Last Status | First Notice for Registration Renewal |
| Cancellation Date | 2013-12-30 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N523K.
| Tail Number / N-Number | N523K |
| Manufacturer | LOCKHEED |
| Model | VEGA 1 |
| Year Built | 1929 |
| Manufacturer's Serial Number | 93 |
| 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 | 110 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | LOCKHEED AIRCRAFT CORP |
| Street | GEN DEL |
| City | BURBANK |
| State | CA |
| Zip Code | 91501 |
| Region | Western-Pacific |
| County | Grant County |
| Country | US |
| Last Status | Valid Registration |
| Cancellation Date | 1929-12-23 |