Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N473M.
| Tail Number / N-Number | N473M |
| Manufacturer | MARTIN |
| Model | 404 |
| Manufacturer's Serial Number | 14224 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 52 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 210 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | DHL CORPORATION |
| Street | PO BOX 30548 |
| City | HONOLULU |
| State | HI |
| Zip Code | 96820 |
| Region | Western-Pacific |
| Certificate Issue Date | 1979-04-20 |
| Last Status | Valid Registration |
| Cancellation Date | 1983-08-09 |
| Mode S Code | 51346522 |
| Mode S Code Hex | A5CD52 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N473M.
| Tail Number / N-Number | N473M |
| Manufacturer | DETROIT AIRCRAFT CORP |
| Model | E-2A |
| Manufacturer's Serial Number | 18 |
| Aircraft Type | Fixed wing single engine |
| Category | Amphibian |
| 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 |
| Type of Registrant | Individual |
| Owner Name | WALTER BROMLEY |
| Street | GENERAL DELIVERY |
| City | BLOOMFIELD HILLS |
| State | MI |
| Zip Code | 48301 |
| Region | Great Lakes |
| Certificate Issue Date | 1939-10-14 |
| Last Status | Valid Registration |
| Cancellation Date | 1947-02-28 |
| Mode S Code | 51346522 |
| Mode S Code Hex | A5CD52 |