| Tail Number / N-Number | N99MD |
| Manufacturer | PIPER |
| Model | PA-23 |
| Year Built | 1955 |
| Manufacturer's Serial Number | 23-325 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 180 hp (134 kW) |
| Total Horsepower | 360 hp (269 kW) |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Individual |
| Owner Name | JINKINS RICHARD D |
| Street | 1086 ENLOE RD |
| City | REWEY |
| State | WI |
| Zip Code | 53580 |
| Region | Great Lakes |
| County | Iowa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1955-10-06 |
| Certificate Issue Date | 1993-10-26 |
| Last Action Date | 2021-07-10 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 53350541 |
| Mode S Code Hex | ADD161 |