Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N403M.
| Tail Number / N-Number | N403M |
| Manufacturer | AERO COMMANDER |
| Model | 1121B |
| Manufacturer's Serial Number | 132 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 390 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | WESTERN LEASING CO |
| Street | 8029 WOODLEY AVE |
| City | VAN NUYS |
| State | CA |
| Zip Code | 91406 |
| Region | Western-Pacific |
| Certificate Issue Date | 1969-04-29 |
| Last Status | Valid Registration |
| Cancellation Date | 1970-06-17 |
| Mode S Code | 51134331 |
| Mode S Code Hex | A4B8D9 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N403M.
| Tail Number / N-Number | N403M |
| Manufacturer | STINSON |
| Model | SM-2AC |
| Manufacturer's Serial Number | 1128 |
| 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 | 84 miles per hour |
| Type of Registrant | Individual |
| Owner Name | JENKINS THOMAS J |
| Street | 9401 S WESTERN AVE |
| City | LOS ANGELES |
| State | CA |
| Zip Code | 90047 |
| Region | Western-Pacific |
| Certificate Issue Date | 1933-07-29 |
| Last Status | Valid Registration |
| Cancellation Date | 1934-06-03 |
| Mode S Code | 51134331 |
| Mode S Code Hex | A4B8D9 |