| Tail Number / N-Number | N121VK |
| Manufacturer | CESSNA |
| Model | 172Q |
| Year Built | 1984 |
| Manufacturer's Serial Number | 17276101 |
| 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) |
| Type of Registrant | Corporation |
| Owner Name | OCALA AVIATION SERVICES INC |
| Street | 1200 SW 60TH AVE |
| City | OCALA |
| State | FL |
| Zip Code | 34474-9300 |
| Region | Southern |
| County | Marion County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1983-11-17 |
| Certificate Issue Date | 2014-07-08 |
| Last Action Date | 2020-02-20 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 50054516 |
| Mode S Code Hex | A0594E |