| Tail Number / N-Number | N3721Q |
| Manufacturer | BEECH |
| Model | 35-C33 |
| Manufacturer's Serial Number | CD-1067 |
| 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 | CONT MOTOR |
| Engine Model | I0-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Average Cruising Speed | 138 miles per hour |
| Type of Registrant | Individual |
| Owner Name | COTTER PETER J |
| Street | 51 HEMLOCK ST |
| City | LEICESTER |
| State | MA |
| Zip Code | 01524-1812 |
| Region | New England |
| County | Worcester County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1966-12-21 |
| Certificate Issue Date | 2019-07-11 |
| Last Action Date | 2022-03-07 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 51036703 |
| Mode S Code Hex | A43DC3 |