| Tail Number / N-Number | N725TH |
| Manufacturer | DEHAVILLAND |
| Model | DHC-3 |
| Year Built | 1967 |
| Manufacturer's Serial Number | 466 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 11 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | WALTER |
| Engine Model | M601 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 777 hp (580 kW) |
| Type of Registrant | Corporation |
| Owner Name | NORTHWEST SEAPLANES INC |
| Street | PO BOX 1845 |
| City | RENTON |
| State | WA |
| Zip Code | 98057-1845 |
| Region | Northwest Mountain |
| County | King County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2014-05-12 |
| Certificate Issue Date | 2018-12-18 |
| Last Action Date | 2021-07-13 |
| Expiration Date | 2028-12-31 |
| Status | Valid Registration |
| Mode S Code | 52333720 |
| Mode S Code Hex | A9B7D0 |