| Tail Number / N-Number | N121HP |
| Manufacturer | GLOBE |
| Model | GC-1B |
| Year Built | 1956 |
| Manufacturer's Serial Number | 3643 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | IO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | LLC |
| Owner Name | PK FLYER LLC |
| Street | 11278 LOS ALAMITOS BLVD # 351 |
| City | LOS ALAMITOS |
| State | CA |
| Zip Code | 90720-3958 |
| Region | Western-Pacific |
| County | Orange County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1984-01-24 |
| Certificate Issue Date | 2011-07-22 |
| Last Action Date | 2020-03-05 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 50054046 |
| Mode S Code Hex | A05826 |