| Tail Number / N-Number | N51QZ |
| Manufacturer | CESSNA |
| Model | 421C |
| Year Built | 1982 |
| Manufacturer's Serial Number | 421C1237 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | GTSIO-520-N |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 375 hp (280 kW) |
| Total Horsepower | 750 hp (560 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AIRCRAFT GUARANTY CORP TRUSTEE |
| Street | 928 SW 107TH ST |
| City | OKLAHOMA CITY |
| State | OK |
| Zip Code | 73170-5244 |
| Region | Southwestern |
| County | Oklahoma County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2009-08-07 |
| Certificate Issue Date | 2016-09-23 |
| Last Action Date | 2022-07-26 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 51460214 |
| Mode S Code Hex | A6608C |