| Tail Number / N-Number | N603WM |
| Manufacturer | EMBRAER S A |
| Model | EMB-505 |
| Year Built | 2015 |
| Manufacturer's Serial Number | 50500295 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 9 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PW535E |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 3,360 pounds-force (14.9 kN) |
| Total Thrust | 6,720 pounds-force (29.9 kN) |
| Type of Registrant | LLC |
| Owner Name | WHITE MOUNTAINS CAPITAL LLC |
| Street | 23 S MAIN ST STE 3B |
| City | HANOVER |
| State | NH |
| Zip Code | 03755-2075 |
| Region | New England |
| County | Grafton County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2015-08-26 |
| Certificate Issue Date | 2015-08-25 |
| Last Action Date | 2021-08-30 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51752144 |
| Mode S Code Hex | A7D464 |