| Tail Number / N-Number | N523ML |
| Manufacturer | PIPER |
| Model | PA 46-350P |
| Year Built | 1989 |
| Manufacturer's Serial Number | 4622087 |
| 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 | LYCOMING |
| Engine Model | TI0-540 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 310 hp (231 kW) |
| Type of Registrant | LLC |
| Owner Name | GREEN MOUNTAIN AVIATION LLC |
| Street | 1300 SOUTHDOWN RD |
| City | HILLSBOROUGH |
| State | CA |
| Zip Code | 94010-7250 |
| Region | Western-Pacific |
| County | San Mateo County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2000-11-21 |
| Certificate Issue Date | 2021-08-20 |
| Last Action Date | 2021-08-20 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51512461 |
| Mode S Code Hex | A69531 |