| Tail Number / N-Number | N503TS |
| Manufacturer | DIAMOND AIRCRAFT IND INC |
| Model | DA 42 |
| Year Built | 2007 |
| Manufacturer's Serial Number | 42.AC103 |
| Aircraft Type | Fixed wing multi 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 | THIELERT |
| Engine Model | TAE 125-02-99 |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 132 hp (98 kW) |
| Total Horsepower | 264 hp (197 kW) |
| Type of Registrant | LLC |
| Owner Name | COX AVIATION LLC |
| Street | 728 WAPPING RD |
| City | PORTSMOUTH |
| State | RI |
| Zip Code | 02871-5117 |
| Region | New England |
| County | Newport County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2007-11-28 |
| Certificate Issue Date | 2016-11-07 |
| Last Action Date | 2022-06-22 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 51443317 |
| Mode S Code Hex | A646CF |