| Tail Number / N-Number | N990MD |
| Manufacturer | BEECH |
| Model | S35 |
| Year Built | 1964 |
| Manufacturer's Serial Number | D-7527 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | TSIO-520 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MELCHIORRE JOSEPH G |
| Street | 31403 COVENTRY DR |
| City | LEWES |
| State | DE |
| Zip Code | 19958-4159 |
| Region | Eastern |
| County | Sussex County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1972-07-06 |
| Certificate Issue Date | 1988-05-06 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 53351672 |
| Mode S Code Hex | ADD3BA |