| Tail Number / N-Number | N28500 |
| Manufacturer | NORTH AMERICAN |
| Model | HARVARD 4 |
| Year Built | 1946 |
| Manufacturer's Serial Number | 2850 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 141 miles per hour |
| Type of Registrant | LLC |
| Owner Name | AMERICAN AIRCRAFT SALES LLC |
| Street | 550 AIRWAY BLVD |
| City | LIVERMORE |
| State | CA |
| Zip Code | 94551-9533 |
| Region | Western-Pacific |
| County | Alameda County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2011-04-19 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-04-30 |
| Status | Valid Registration |
| Mode S Code | 50561377 |
| Mode S Code Hex | A2E2FF |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N28500.
| Tail Number / N-Number | N28500 |
| Manufacturer | FAIRCHILD |
| Model | 24R-40 |
| Year Built | 1940 |
| Manufacturer's Serial Number | R-40-410 |
| 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 | 102 miles per hour |
| Type of Registrant | Individual |
| Owner Name | LAFLIN LLOYD A |
| Street | 1007 HAWTHORNE PL |
| City | LALE FORREST |
| State | IL |
| Zip Code | 60035 |
| Region | Great Lakes |
| County | Alameda County |
| Certificate Issue Date | 1941-05-28 |
| Last Status | Valid Registration |
| Cancellation Date | 1941-10-08 |