| Tail Number / N-Number | N235CH |
| Manufacturer | BOEING-VERTOL |
| Model | 234LR |
| Year Built | 1981 |
| Manufacturer's Serial Number | MJ002 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 35 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | HONEYWELL |
| Engine Model | AL5512 |
| Engine Type | Turbo-shaft |
| Number of Engines | 2 engines |
| Horsepower per Engine | 4,075 hp (3,040 kW) |
| Total Horsepower | 8,150 hp (6,080 kW) |
| Type of Registrant | Corporation |
| Owner Name | COLUMBIA HELICOPTERS INC |
| Street | PO BOX 3500 |
| City | PORTLAND |
| State | OR |
| Zip Code | 97208-3500 |
| Region | Northwest Mountain |
| County | Multnomah County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2018-05-23 |
| Certificate Issue Date | 1985-11-23 |
| Last Action Date | 2021-05-17 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 50415515 |
| Mode S Code Hex | A21B4D |