Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N37865.
| Tail Number / N-Number | N37865 |
| Manufacturer | PORTERFIELD |
| Model | FP-65 |
| Year Built | 1941 |
| Manufacturer's Serial Number | 1012 |
| 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 | 76 miles per hour |
| Type of Registrant | Individual |
| Owner Name | GUTHRIE J ALVIN DBA |
| Street | STILLWATER FLYING SERVICE BOX 511 |
| City | STILLWATER |
| State | OK |
| Zip Code | 73159 |
| Region | Southwestern |
| Certificate Issue Date | 1944-08-28 |
| Last Status | Valid Registration |
| Cancellation Date | 1949-01-06 |
| Mode S Code | 51052313 |
| Mode S Code Hex | A454CB |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N37865.
| Tail Number / N-Number | N37865 |
| Manufacturer | WRUBLE |
| Model | EASYRISER |
| Manufacturer's Serial Number | 665781 |
| Aircraft Type | Glider |
| 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 |
| Average Cruising Speed | 60 miles per hour |
| Zip Code | 00000 |
| Last Action Date | 1977-07-23 |
| Last Status | N-Number assigned, has not been registered and is pending cancellation |
| Cancellation Date | 2011-02-23 |
| Mode S Code | 51052313 |
| Mode S Code Hex | A454CB |