| Tail Number / N-Number | N591ER |
| Manufacturer | DIAMOND AIRCRAFT IND GMBH |
| Model | DA 42 |
| Year Built | 2006 |
| Manufacturer's Serial Number | 42.081 |
| 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 | AUSTRO |
| Engine Model | E4 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 168 hp (125 kW) |
| Total Horsepower | 336 hp (251 kW) |
| Type of Registrant | Non Citizen Corporation |
| Owner Name | DIAMOND AIRCRAFT SALES U S A INC |
| Street | 1560 CRUMLIN SIDEROAD |
| City | LONDON ONTARIO |
| Zip Code | N5V 1S2 |
| Region | Northwest Mountain |
| Country | CA |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2011-06-08 |
| Certificate Issue Date | 2022-09-09 |
| Last Action Date | 2022-09-09 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 51720622 |
| Mode S Code Hex | A7A192 |