| Tail Number / N-Number | N777ER |
| Manufacturer | RUST ELTON |
| Model | LANCAIR IV |
| Manufacturer's Serial Number | LIV-004 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 |
| Type of Registrant | Individual |
| Owner Name | RUST CHRISTOPHER T |
| Street | 9211 STRATFORD PL |
| City | TOMBALL |
| State | TX |
| Zip Code | 77375-4297 |
| Region | Southwestern |
| County | Harris County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2018-06-26 |
| Last Action Date | 2023-01-02 |
| Expiration Date | 2028-06-30 |
| Status | Valid Registration |
| Mode S Code | 52501574 |
| Mode S Code Hex | AA837C |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N777ER.
| Tail Number / N-Number | N777ER |
| Manufacturer | RUST ELTON |
| Model | MAXAIR 503 |
| Manufacturer's Serial Number | 0395 |
| 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 | RUST ELTON |
| Street | BOX 458 |
| City | WARING |
| State | TX |
| Zip Code | 78074 |
| County | Harris County |
| Country | US |
| Certificate Issue Date | 1987-12-23 |
| Last Action Date | 1994-09-21 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1995-01-10 |