| Tail Number / N-Number | N3976N |
| Manufacturer | NICHOLSON KNOX W |
| Model | RV-4 |
| Manufacturer's Serial Number | 279 |
| 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 | VAUGHN THOMAS N |
| Street | PO BOX 266 |
| City | TULIA |
| State | TX |
| Zip Code | 79088-0266 |
| Region | Southwestern |
| County | Swisher County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2002-03-19 |
| Last Action Date | 2022-09-04 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 51120001 |
| Mode S Code Hex | A4A001 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N3976N.
| Tail Number / N-Number | N3976N |
| Manufacturer | BEECH |
| Model | 35 |
| Manufacturer's Serial Number | D573 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 120 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | PETROLEUM PRODUCTS REFINING AND PRODUCING CO |
| Street | XXXXXXXXXXXXXXX |
| City | PRUITT |
| State | NM |
| Zip Code | 87045 |
| Region | Southwestern |
| County | Swisher County |
| Certificate Issue Date | 1947-09-29 |
| Last Status | Valid Registration |
| Cancellation Date | 1951-04-25 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N3976N.
| Tail Number / N-Number | N3976N |
| Manufacturer | MOONEY |
| Model | M20C |
| Manufacturer's Serial Number | 680011 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 127 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MOONEY CORP |
| Street | P O BOX 72 |
| City | KERRVILLE |
| State | TX |
| Zip Code | 78028 |
| Region | Southwestern |
| County | Swisher County |
| Last Status | Valid Registration |
| Cancellation Date | 1968-02-27 |
| Exported To | CANADA |