Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N8121X.
| Tail Number / N-Number | N8121X |
| Manufacturer | PIPER |
| Model | PA-28-181 |
| Year Built | 1979 |
| Manufacturer's Serial Number | 28-8090144 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | ASSOCIATES AVIATION GROUP INC |
| Street | 6635 S DAYTON ST |
| City | ENGLEWOOD |
| State | CO |
| Zip Code | 80111 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-10-15 |
| Certificate Issue Date | 1982-09-13 |
| Last Action Date | 1985-08-31 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-05-13 |
| Mode S Code | 52611533 |
| Mode S Code Hex | AB135B |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N8121X.
| Tail Number / N-Number | N8121X |
| Manufacturer | CESSNA |
| Model | 172B |
| Manufacturer's Serial Number | 172-48621 |
| 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 | 105 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KEITH THOMAS GRIFFITH |
| Street | 2570 MUREREESBORO ROAD APT A-23 |
| City | NASHVILLE |
| State | TN |
| Zip Code | 37217 |
| Region | Central |
| Certificate Issue Date | 1973-08-04 |
| Last Status | Valid Registration |
| Cancellation Date | 1974-10-01 |
| Mode S Code | 52611533 |
| Mode S Code Hex | AB135B |