| Tail Number / N-Number | N521QA |
| Manufacturer | DIAMOND AIRCRAFT IND GMBH |
| Model | DA 42 NG |
| Year Built | 2018 |
| Manufacturer's Serial Number | 42.N336 |
| 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-C |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 168 hp (125 kW) |
| Total Horsepower | 336 hp (251 kW) |
| Type of Registrant | LLC |
| Owner Name | RBCKMAB LLC |
| Street | 2 PACA PL |
| City | MARLBORO |
| State | NJ |
| Zip Code | 07746-2737 |
| Region | Eastern |
| County | Monmouth County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2018-07-04 |
| Certificate Issue Date | 2018-09-12 |
| Last Action Date | 2021-04-16 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 51507004 |
| Mode S Code Hex | A68E04 |