Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N51989.
| Tail Number / N-Number | N51989 |
| Manufacturer | RIDINGS DOUGLAS D |
| Model | PDQ-2 MOD C |
| Manufacturer's Serial Number | S2 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 |
| Type of Registrant | Individual |
| Owner Name | RIDINGS DOUGLAS D |
| Street | RR 2 PO BOX 147B |
| City | CORVALLIS |
| State | OR |
| Zip Code | 97330 |
| Region | Northwest Mountain |
| Certificate Issue Date | 1979-08-03 |
| Last Status | Valid Registration |
| Cancellation Date | 1980-02-20 |
| Mode S Code | 51503160 |
| Mode S Code Hex | A68670 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N51989.
| Tail Number / N-Number | N51989 |
| Manufacturer | FAIRCHILD |
| Model | PT-19 |
| Year Built | 1944 |
| Manufacturer's Serial Number | T43-7419 |
| 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 | 97 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | PAGE AIRWAYS INC |
| Street | MUNICIPAL AIRPORT |
| City | ROCHASTER |
| State | NY |
| Zip Code | 14603 |
| Region | Eastern |
| Certificate Issue Date | 1947-09-25 |
| Last Status | Valid Registration |
| Cancellation Date | 1954-12-31 |
| Mode S Code | 51503160 |
| Mode S Code Hex | A68670 |