| Tail Number / N-Number | N423 |
| Manufacturer | GULFSTREAM AMERICAN CORP |
| Model | AA-5B |
| Year Built | 1978 |
| Manufacturer's Serial Number | AA5B0986 |
| 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) |
| Type of Registrant | Co-Ownership |
| Owner Name | SHAFER ROBERT T |
| Other Names |
|
| Street | 9355 ISLAND DR |
| City | GROSSE ILE |
| State | MI |
| Zip Code | 48138-1426 |
| Region | Great Lakes |
| County | Wayne County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1978-11-06 |
| Certificate Issue Date | 1995-11-07 |
| Last Action Date | 2021-06-02 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 51203303 |
| Mode S Code Hex | A506C3 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N423.
| Tail Number / N-Number | N423 |
| Manufacturer | MAXIMUM SAFETY AIRPLANE CO INC |
| Model | MAXIMUM M4L |
| Manufacturer's Serial Number | 1 |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | MAXIMUM SAFETY AIRPLANE CO INC |
| Street | 5111 SANTA FE AVENUE |
| City | LOS ANGELES |
| State | CA |
| Zip Code | 90001 |
| Region | Western-Pacific |
| County | Wayne County |
| Last Status | Valid Registration |
| Cancellation Date | 1930-05-07 |