| Tail Number / N-Number | N446SN |
| Manufacturer | CESSNA |
| Model | 337A |
| Year Built | 1966 |
| Manufacturer's Serial Number | 337-0454 |
| Aircraft Type | Fixed wing multi 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 | IO-360-C |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 210 hp (157 kW) |
| Total Horsepower | 420 hp (313 kW) |
| Average Cruising Speed | 142 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WARREN DENNIS |
| Street | 19200 SPACE CENTER BLVD APT 1920 |
| City | HOUSTON |
| State | TX |
| Zip Code | 77058-3854 |
| Region | Southwestern |
| County | Harris County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2009-06-16 |
| Certificate Issue Date | 2020-12-14 |
| Last Action Date | 2022-05-10 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 51261204 |
| Mode S Code Hex | A56284 |