Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N73539.
| Tail Number / N-Number | N73539 |
| Manufacturer | HILLER |
| Model | H-23D |
| Year Built | 1957 |
| Manufacturer's Serial Number | 57-3038 |
| Aircraft Type | Rotorcraft |
| 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 | 75 miles per hour |
| Type of Registrant | Government |
| Owner Name | WESTERN MICHIGAN UNIVERSITY |
| Other Names |
|
| Street | WEST MICHIGAN AVE |
| City | KALAMAZOO |
| State | MI |
| Zip Code | 49001 |
| Country | US |
| Certificate Issue Date | 1972-09-15 |
| Last Action Date | 2007-07-17 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2012-03-27 |
| Mode S Code | 52360201 |
| Mode S Code Hex | A9E081 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N73539.
| Tail Number / N-Number | N73539 |
| Manufacturer | CESSNA |
| Model | T-50 |
| Manufacturer's Serial Number | 3423 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 131 miles per hour |
| Type of Registrant | Partnership |
| Owner Name | MARTIN GEORGE S |
| Street | BOX 301 |
| City | SIKESTON |
| State | MO |
| Zip Code | 63801 |
| Region | Central |
| Certificate Issue Date | 1947-02-28 |
| Last Status | Valid Registration |
| Cancellation Date | 1949-05-10 |
| Mode S Code | 52360201 |
| Mode S Code Hex | A9E081 |