| Tail Number / N-Number | N574 |
| Manufacturer | BEECH |
| Model | A45 |
| Year Built | 1956 |
| Manufacturer's Serial Number | G-831 |
| 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 | CONT MOTOR |
| Engine Model | O-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 230 hp (172 kW) |
| Average Cruising Speed | 141 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | JOHN WILLIAMS CORP |
| Street | 28264 N GILMER RD |
| City | MUNDELEIN |
| State | IL |
| Zip Code | 60060-9538 |
| Region | Great Lakes |
| County | Lake County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1962-09-13 |
| Certificate Issue Date | 2013-11-13 |
| Last Action Date | 2022-07-26 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 51656504 |
| Mode S Code Hex | A75D44 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N574.
| Tail Number / N-Number | N574 |
| Manufacturer | DOUGLAS |
| Model | DC-6B |
| Year Built | 1957 |
| Manufacturer's Serial Number | 45199 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 96 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 216 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SALE REPORTED |
| Street | COPENHAGEN AIRPORT |
| City | DRAGOR |
| County | Lake County |
| Country | DK |
| Certificate Issue Date | 1957-04-04 |
| Last Status | Valid Registration |
| Cancellation Date | 1964-04-20 |
| Exported To | DENMARK |