| Tail Number / N-Number | N321MJ |
| Manufacturer | BEECH |
| Model | C23 |
| Year Built | 1976 |
| Manufacturer's Serial Number | M-1850 |
| 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 | 116 miles per hour |
| Type of Registrant | Individual |
| Owner Name | PETRIE DAVID W |
| Street | 403 COUNTY ROAD # 75 |
| City | MECHANICVILLE |
| State | NY |
| Zip Code | 12118 |
| Region | Eastern |
| County | Saratoga County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1976-06-11 |
| Certificate Issue Date | 2017-06-19 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 50671443 |
| Mode S Code Hex | A37323 |