| Tail Number / N-Number | N4121R |
| Manufacturer | PIPER |
| Model | PA-28-181 |
| Year Built | 1998 |
| Manufacturer's Serial Number | 2843134 |
| 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 | 0-360-A1D |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Individual |
| Owner Name | TAYLOR JOHN W |
| Street | 6038 BOTTOM RD |
| City | SLATINGTON |
| State | PA |
| Zip Code | 18080-3170 |
| Region | Eastern |
| County | Lehigh County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1998-04-23 |
| Certificate Issue Date | 2016-12-27 |
| Last Action Date | 2022-07-12 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 51157031 |
| Mode S Code Hex | A4DE19 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4121R.
| Tail Number / N-Number | N4121R |
| Manufacturer | PIPER |
| Model | PA-32-300 |
| Manufacturer's Serial Number | 32-40439 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | GRAND CANYON AIRLINES INC |
| Street | P O BOX 186 |
| City | GRAND CANYON |
| State | AZ |
| Zip Code | 86023 |
| Region | Western-Pacific |
| County | Lehigh County |
| Certificate Issue Date | 1969-02-01 |
| Last Status | Valid Registration |
| Cancellation Date | 1971-01-13 |