| Tail Number / N-Number | N637W |
| Manufacturer | TEXTRON AVIATION INC |
| Model | 525B |
| Year Built | 2021 |
| Manufacturer's Serial Number | 525B0637 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | WILLIAMS |
| Engine Model | FJ44-3A |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 2,820 pounds-force (12.5 kN) |
| Total Thrust | 5,640 pounds-force (25.1 kN) |
| Type of Registrant | LLC |
| Owner Name | WALSH AVIATION LLC |
| Street | 4000 AVIENDA DEL SOL |
| City | LAKE HAVASU CITY |
| State | AZ |
| Zip Code | 86406 |
| Region | Western-Pacific |
| County | Mohave County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2021-07-19 |
| Certificate Issue Date | 2021-10-12 |
| Last Action Date | 2021-10-12 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 52054661 |
| Mode S Code Hex | A859B1 |