Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4573H.
| Tail Number / N-Number | N4573H |
| Manufacturer | PIPER |
| Model | PA-15 |
| Manufacturer's Serial Number | 15-347 |
| 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 | 75 miles per hour |
| Type of Registrant | Individual |
| Owner Name | CAHILL W F |
| Street | 82 MONTOUR AVE |
| City | JOHNSTOWN |
| State | PA |
| Zip Code | 15905 |
| Region | Eastern |
| Certificate Issue Date | 1949-05-20 |
| Last Status | Valid Registration |
| Cancellation Date | 1950-02-09 |
| Mode S Code | 51307346 |
| Mode S Code Hex | A58EE6 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4573H.
| Tail Number / N-Number | N4573H |
| Manufacturer | MESSERSCHMITT-BOELKOW-BLOHM |
| Model | BO-105S |
| Manufacturer's Serial Number | S676 |
| Aircraft Type | Rotorcraft |
| 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 |
| Last Status | N-Number Assigned – but has not yet been registered |
| Mode S Code | 51307346 |
| Mode S Code Hex | A58EE6 |