Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N6317.
| Tail Number / N-Number | N6317 |
| Manufacturer | HUGHES |
| Model | MONG SPORT MODIFIED |
| Manufacturer's Serial Number | HR-1 |
| 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 |
| Average Cruising Speed | 85 miles per hour |
| Type of Registrant | Individual |
| Owner Name | HUGHES C W JR |
| Street | RT 2 BOX 57 |
| City | CHADBOURN |
| State | NC |
| Zip Code | 28431 |
| Country | US |
| Certificate Issue Date | 1976-12-29 |
| Last Action Date | 1977-06-14 |
| Last Status | Revoked – Canceled |
| Cancellation Date | 2013-08-05 |
| Mode S Code | 52042300 |
| Mode S Code Hex | A844C0 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N6317.
| Tail Number / N-Number | N6317 |
| Manufacturer | DORNIER |
| Model | DO 28 D-1 |
| Year Built | 1968 |
| Manufacturer's Serial Number | 4017 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 15 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 114 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | BUTLER AVIATION COMPANY |
| Street | 29 BROADWAY |
| City | NEW YORK |
| State | NY |
| Zip Code | 10006 |
| Region | Eastern |
| Certificate Issue Date | 1968-08-26 |
| Last Status | Valid Registration |
| Cancellation Date | 1970-10-01 |
| Exported To | SURINAME |
| Mode S Code | 52042300 |
| Mode S Code Hex | A844C0 |