| Tail Number / N-Number | N19489 |
| Manufacturer | CESSNA |
| Model | C-145 |
| Year Built | 1938 |
| Manufacturer's Serial Number | 459 |
| Aircraft Type | Fixed wing single 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 | WARNER |
| Engine Model | SS40&50 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 90 hp (67 kW) |
| Average Cruising Speed | 123 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | PORT TOWNSEND AERO MUSEUM |
| Street | 105 AIRPORT RD |
| City | PORT TOWNSEND |
| State | WA |
| Zip Code | 98368-9716 |
| Region | Northwest Mountain |
| County | Jefferson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1953-01-27 |
| Certificate Issue Date | 2010-07-30 |
| Last Action Date | 2020-06-21 |
| Expiration Date | 2027-11-30 |
| Status | Valid Registration |
| Mode S Code | 50275231 |
| Mode S Code Hex | A17A99 |