Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N578Y.
| Tail Number / N-Number | N578Y |
| Manufacturer | GRUMMAN |
| Model | G-164 |
| Manufacturer's Serial Number | 169 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 98 miles per hour |
| Type of Registrant | Individual |
| Owner Name | HARMON ALVA J JR |
| Street | P O BOX 803 |
| City | ANAHUAC |
| State | TX |
| Zip Code | 77514 |
| Region | Southwestern |
| Certificate Issue Date | 1970-05-01 |
| Last Status | Valid Registration |
| Cancellation Date | 1975-12-17 |
| Mode S Code | 51667107 |
| Mode S Code Hex | A76E47 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N578Y.
| Tail Number / N-Number | N578Y |
| Manufacturer | BEAZLEY NICHOLAS |
| Model | 8G |
| Manufacturer's Serial Number | K-20 |
| 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 | Individual |
| Owner Name | PONCA CITY FLYING SERVICE INC |
| Street | MUNICIPAL AIRPORT |
| City | PONCA CITY |
| State | OK |
| Zip Code | 74601 |
| Region | Southwestern |
| Certificate Issue Date | 1932-11-21 |
| Last Status | Valid Registration |
| Cancellation Date | 1934-09-01 |
| Mode S Code | 51667107 |
| Mode S Code Hex | A76E47 |