| Tail Number / N-Number | N821BT |
| Manufacturer | CESSNA |
| Model | 310R |
| Year Built | 1978 |
| Manufacturer's Serial Number | 310R1298 |
| 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 520 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 285 hp (213 kW) |
| Total Horsepower | 570 hp (425 kW) |
| Type of Registrant | Corporation |
| Owner Name | S STEVEN PODSTRELENY DDS PC |
| Street | 8287 RUN OF THE KNOLLS |
| City | SAN DIEGO |
| State | CA |
| Zip Code | 92127-2533 |
| Region | Western-Pacific |
| County | San Diego County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1978-02-27 |
| Certificate Issue Date | 2018-11-20 |
| Last Action Date | 2021-11-02 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 52632275 |
| Mode S Code Hex | AB34BD |