| Tail Number / N-Number | N503AT |
| Manufacturer | CESSNA |
| Model | T210L |
| Year Built | 1975 |
| Manufacturer's Serial Number | 21060924 |
| 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 | 141 miles per hour |
| Type of Registrant | LLC |
| Owner Name | N503AT LLC |
| Street | 1001 S MAIN ST STE 600 |
| City | KALISPELL |
| State | MT |
| Zip Code | 59901-5635 |
| Region | Northwest Mountain |
| County | Flathead County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1975-07-19 |
| Certificate Issue Date | 2020-09-16 |
| Last Action Date | 2020-09-16 |
| Expiration Date | 2027-09-30 |
| Status | Valid Registration |
| Mode S Code | 51442447 |
| Mode S Code Hex | A64527 |