| Tail Number / N-Number | N946SM |
| Manufacturer | CESSNA |
| Model | 172P |
| Year Built | 1982 |
| Manufacturer's Serial Number | 17275870 |
| 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | ENTREKIN DAVID C |
| Street | 215 OXFORD PL |
| City | RIDGELAND |
| State | MS |
| Zip Code | 39157-9487 |
| Region | Southwestern |
| County | Madison County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1982-12-21 |
| Certificate Issue Date | 2007-02-08 |
| Last Action Date | 2022-07-16 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 53222416 |
| Mode S Code Hex | AD250E |