| Tail Number / N-Number | N304GS |
| Manufacturer | CANADIAN CAR & FOUNDRY |
| Model | HARVARD MK IV |
| Year Built | 1953 |
| Manufacturer's Serial Number | 20328 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R1340 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 600 hp (448 kW) |
| Average Cruising Speed | 240 miles per hour |
| Type of Registrant | LLC |
| Owner Name | CASCADE AIRWAYS LLC |
| Street | PO BOX 781 |
| City | CORVALLIS |
| State | OR |
| Zip Code | 97339-0781 |
| Region | Northwest Mountain |
| County | Benton County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1987-11-05 |
| Certificate Issue Date | 2016-09-15 |
| Last Action Date | 2022-07-12 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 50627325 |
| Mode S Code Hex | A32ED5 |